🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.46 AU - 0.66 AU

Year: 266 Days

Day: 32.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.59 AU - 0.71 AU

Year: 333 Days

Day: 18.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.84 AU - 1.26 AU

Year: 684 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 32,424,774 km

• M1: 143,315 km (0.051 R)
• M2: 215,571 km (0.092 R)
• M3: 317,297 km (0.078 R)
• M4: 400,922 km (0.041 R)
• M5: 489,933 km (0.076 R)
• M6: 606,320 km (0.119 R)
• M7: 770,130 km (0.05 R)
• M8: 886,218 km (0.096 R)
• M9: 1,056,610 km (0.094 R)
• M10: 1,136,645 km (0.084 R)
• M11: 1,356,254 km (0.103 R)
• M12: 1,423,573 km (0.072 R)
• M13: 1,498,971 km (0.115 R)
• M14: 1,582,745 km (0.099 R)
• M15: 1,653,954 km (0.104 R)
• M16: 1,718,880 km (0.067 R)
• M17: 1,814,323 km (0.061 R)
• M18: 1,888,972 km (0.062 R)
• M19: 1,957,039 km (0.119 R)
• M20: 2,033,783 km (0.106 R)
• M21: 2,286,155 km (0.111 R)
• M22: 2,383,393 km (0.082 R)
• M23: 2,531,944 km (0.119 R)
• M24: 2,666,732 km (0.118 R)
• M25: 2,821,117 km (0.082 R)
• M26: 2,890,829 km (0.088 R)
• M27: 2,996,296 km (0.102 R)
• M28: 3,112,085 km (0.108 R)
• M29: 3,193,167 km (0.088 R)
• M30: 3,403,501 km (0.077 R)
• M31: 3,543,226 km (0.081 R)
• M32: 3,618,623 km (0.119 R)
• M33: 3,703,894 km (0.089 R)
• M34: 3,886,403 km (0.099 R)
• M35: 4,022,836 km (0.109 R)
• M36: 4,180,662 km (0.103 R)
• M37: 4,340,582 km (0.109 R)
• M38: 4,431,388 km (0.069 R)
• M39: 4,543,287 km (0.11 R)
• M40: 4,666,556 km (0.045 R)
• M41: 4,738,812 km (0.112 R)
• M42: 4,874,347 km (0.069 R)
• M43: 5,074,509 km (0.112 R)
• M44: 5,159,631 km (0.064 R)
• M45: 5,309,827 km (0.112 R)
• M46: 5,494,131 km (0.079 R)
• M47: 5,669,610 km (0.114 R)
• M48: 5,835,663 km (0.078 R)
• M49: 5,924,973 km (0.089 R)
• M50: 6,003,512 km (0.048 R)
• M51: 6,138,898 km (0.12 R)
• M52: 6,286,701 km (0.037 R)
• M53: 6,516,334 km (0.089 R)
• M54: 6,772,296 km (0.05 R)
• M55: 6,854,425 km (0.113 R)
• M56: 6,984,126 km (0.116 R)
• M57: 7,138,511 km (0.052 R)
• M58: 7,693,968 km (0.051 R)
• M59: 7,792,104 km (0.038 R)
• M60: 7,964,591 km (0.112 R)
• M61: 8,489,978 km (0.117 R)
• M62: 8,565,824 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 9.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.32 AU - 1.74 AU

Year: 1203 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 32,424,774 km

• M1: 126,709 km (0.118 R)
• M2: 220,507 km (0.12 R)
• M3: 321,037 km (0.107 R)
• M4: 452,534 km (0.098 R)
• M5: 582,085 km (0.098 R)
• M6: 689,197 km (0.1 R)
• M7: 778,507 km (0.069 R)
• M8: 846,126 km (0.117 R)
• M9: 929,302 km (0.097 R)
• M10: 1,033,871 km (0.093 R)
• M11: 1,099,544 km (0.087 R)
• M12: 1,195,885 km (0.108 R)
• M13: 1,346,082 km (0.092 R)
• M14: 1,413,251 km (0.062 R)
• M15: 1,497,475 km (0.115 R)
• M16: 1,583,344 km (0.114 R)
• M17: 1,665,473 km (0.068 R)
• M18: 1,732,343 km (0.099 R)
• M19: 1,857,258 km (0.087 R)
• M20: 2,225,418 km (0.074 R)
• M21: 2,311,736 km (0.115 R)
• M22: 2,380,401 km (0.091 R)
• M23: 2,513,394 km (0.063 R)
• M24: 2,655,512 km (0.113 R)
• M25: 2,793,591 km (0.056 R)
• M26: 2,967,872 km (0.046 R)
• M27: 3,132,131 km (0.105 R)
• M28: 3,194,363 km (0.116 R)
• M29: 3,299,231 km (0.119 R)
• M30: 3,398,265 km (0.106 R)
• M31: 3,505,377 km (0.09 R)
• M32: 3,671,730 km (0.102 R)
• M33: 3,737,553 km (0.078 R)
• M34: 3,885,356 km (0.115 R)
• M35: 3,989,925 km (0.086 R)
• M36: 4,224,943 km (0.117 R)
• M37: 4,386,808 km (0.08 R)
• M38: 4,456,820 km (0.105 R)
• M39: 4,820,343 km (0.078 R)
• M40: 4,884,520 km (0.096 R)
• M41: 4,989,538 km (0.112 R)
• M42: 5,450,299 km (0.089 R)
• M43: 5,517,169 km (0.047 R)
• M44: 5,685,766 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 13.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.69 AU - 2.21 AU

Year: 1731 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 32,424,774 km

• M1: 169,494 km (0.095 R)
• M2: 315,951 km (0.101 R)
• M3: 453,581 km (0.075 R)
• M4: 555,606 km (0.067 R)
• M5: 861,534 km (0.103 R)
• M6: 1,008,738 km (0.108 R)
• M7: 1,186,162 km (0.066 R)
• M8: 1,322,744 km (0.091 R)
• M9: 1,442,273 km (0.046 R)
• M10: 1,581,249 km (0.093 R)
• M11: 1,692,550 km (0.109 R)
• M12: 1,873,115 km (0.09 R)
• M13: 1,999,974 km (0.114 R)
• M14: 2,094,969 km (0.025 R)
• M15: 2,289,595 km (0.115 R)
• M16: 2,509,055 km (0.114 R)
• M17: 2,630,828 km (0.113 R)
• M18: 2,812,440 km (0.086 R)
• M19: 3,108,045 km (0.118 R)
• M20: 3,434,468 km (0.083 R)
• M21: 3,654,975 km (0.089 R)
• M22: 3,783,031 km (0.112 R)
• M23: 3,945,195 km (0.094 R)
• M24: 4,032,710 km (0.069 R)
• M25: 4,143,113 km (0.11 R)
• M26: 4,310,513 km (0.12 R)
• M27: 4,423,310 km (0.1 R)
• M28: 4,629,007 km (0.104 R)
• M29: 4,955,429 km (0.117 R)
• M30: 5,061,943 km (0.118 R)
• M31: 5,556,963 km (0.106 R)
• M32: 5,742,015 km (0.117 R)
• M33: 5,829,081 km (0.091 R)
• M34: 6,017,126 km (0.054 R)
• M35: 6,258,277 km (0.062 R)
• M36: 6,386,483 km (0.113 R)
• M37: 6,593,526 km (0.108 R)
• M38: 7,080,766 km (0.052 R)
• M39: 7,241,285 km (0.082 R)
• M40: 7,375,923 km (0.109 R)
• M41: 7,593,289 km (0.087 R)
• M42: 7,702,794 km (0.1 R)
• M43: 8,020,391 km (0.111 R)
• M44: 8,117,928 km (0.108 R)
• M45: 8,413,085 km (0.063 R)
• M46: 8,512,119 km (0.08 R)
• M47: 8,597,390 km (0.092 R)
• M48: 8,955,976 km (0.078 R)
• M49: 9,202,513 km (0.051 R)
• M50: 9,334,010 km (0.119 R)
• M51: 9,628,418 km (0.118 R)
• M52: 9,717,279 km (0.072 R)
• M53: 9,836,210 km (0.083 R)
• M54: 10,090,825 km (0.11 R)
• M55: 10,181,182 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 14.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.03 AU - 3.43 AU

Year: 3691 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 32,424,774 km

• M1: 218,712 km (0.043 R)
• M2: 390,750 km (0.102 R)
• M3: 487,091 km (0.038 R)
• M4: 743,950 km (0.059 R)
• M5: 840,441 km (0.094 R)
• M6: 994,377 km (0.066 R)
• M7: 1,130,661 km (0.116 R)
• M8: 1,254,229 km (0.098 R)
• M9: 1,454,091 km (0.109 R)
• M10: 1,632,711 km (0.099 R)
• M11: 1,785,451 km (0.074 R)
• M12: 2,058,915 km (0.089 R)
• M13: 2,647,284 km (0.038 R)
• M14: 2,868,090 km (0.047 R)
• M15: 3,081,716 km (0.113 R)
• M16: 3,272,902 km (0.098 R)
• M17: 3,539,037 km (0.098 R)
• M18: 3,739,648 km (0.069 R)
• M19: 3,870,546 km (0.103 R)
• M20: 3,988,429 km (0.055 R)
• M21: 4,364,219 km (0.11 R)
• M22: 4,595,347 km (0.027 R)
• M23: 5,102,035 km (0.049 R)
• M24: 5,231,587 km (0.096 R)
• M25: 5,329,424 km (0.077 R)
• M26: 6,048,840 km (0.103 R)
• M27: 6,516,334 km (0.109 R)
• M28: 6,781,271 km (0.119 R)
• M29: 7,486,476 km (0.06 R)
• M30: 7,578,628 km (0.099 R)
• M31: 7,689,630 km (0.092 R)
• M32: 8,045,074 km (0.109 R)
• M33: 8,405,755 km (0.094 R)
• M34: 8,752,523 km (0.079 R)
• M35: 9,182,766 km (0.082 R)
• M36: 9,579,799 km (0.085 R)
• M37: 10,165,774 km (0.068 R)
• M38: 10,329,434 km (0.111 R)
• M39: 10,742,473 km (0.095 R)
• M40: 11,097,918 km (0.032 R)
• M41: 11,841,868 km (0.105 R)
• M42: 11,971,121 km (0.111 R)
• M43: 12,317,889 km (0.117 R)
• M44: 12,756,061 km (0.084 R)
• M45: 13,132,449 km (0.076 R)
• M46: 13,333,359 km (0.059 R)
• M47: 13,783,200 km (0.064 R)
• M48: 13,873,856 km (0.03 R)
• M49: 14,215,238 km (0.115 R)
• M50: 14,605,689 km (0.096 R)
• M51: 14,790,592 km (0.108 R)
• M52: 15,467,522 km (0.093 R)
• M53: 15,987,824 km (0.064 R)

Asteroid Belt

Center: 5.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.3

Radius: 6.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.38 AU - 7.5 AU

Year: 11624 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 32,424,774 km

• M1: 88,861 km (0.104 R)
• M2: 241,301 km (0.084 R)
• M3: 484,398 km (0.104 R)
• M4: 740,958 km (0.063 R)
• M5: 831,016 km (0.112 R)
• M6: 979,866 km (0.114 R)
• M7: 1,064,838 km (0.032 R)
• M8: 1,493,286 km (0.118 R)
• M9: 1,760,318 km (0.057 R)
• M10: 2,042,161 km (0.102 R)
• M11: 2,687,675 km (0.084 R)
• M12: 2,848,194 km (0.107 R)
• M13: 3,631,040 km (0.115 R)
• M14: 3,875,931 km (0.1 R)
• M15: 4,103,320 km (0.029 R)
• M16: 4,218,660 km (0.062 R)
• M17: 4,405,508 km (0.111 R)
• M18: 4,714,726 km (0.116 R)
• M19: 4,884,221 km (0.106 R)
• M20: 4,932,990 km (0.091 R)
• M21: 4,981,908 km (0.046 R)
• M22: 5,429,804 km (0.03 R)
• M23: 5,607,527 km (0.052 R)
• M24: 6,046,896 km (0.059 R)
• M25: 6,099,404 km (0.083 R)
• M26: 6,204,721 km (0.077 R)
• M27: 6,986,221 km (0.095 R)
• M28: 7,068,799 km (0.104 R)
• M29: 7,151,825 km (0.034 R)
• M30: 7,656,269 km (0.089 R)
• M31: 7,741,540 km (0.119 R)
• M32: 8,317,492 km (0.098 R)
• M33: 8,375,835 km (0.109 R)
• M34: 9,116,943 km (0.049 R)
• M35: 9,267,588 km (0.032 R)
• M36: 9,388,762 km (0.084 R)
• M37: 9,755,427 km (0.097 R)
• M38: 9,878,695 km (0.096 R)
• M39: 10,314,324 km (0.058 R)
• M40: 10,660,943 km (0.077 R)
• M41: 11,300,922 km (0.084 R)
• M42: 11,398,011 km (0.043 R)
• M43: 11,723,536 km (0.1 R)
• M44: 12,019,142 km (0.091 R)
• M45: 12,550,813 km (0.047 R)
• M46: 12,684,852 km (0.063 R)
• M47: 13,191,989 km (0.077 R)
• M48: 13,499,562 km (0.097 R)
• M49: 13,809,379 km (0.037 R)
• M50: 14,471,200 km (0.029 R)
• M51: 16,481,197 km (0.096 R)
• M52: 16,664,754 km (0.056 R)
• M53: 17,257,162 km (0.084 R)
• M54: 17,369,061 km (0.112 R)
• M55: 17,856,451 km (0.032 R)
• M56: 18,120,640 km (0.062 R)
• M57: 18,538,617 km (0.075 R)
• M58: 18,653,209 km (0.117 R)
• M59: 19,113,671 km (0.077 R)
• M60: 19,268,056 km (0.048 R)
• M61: 19,694,560 km (0.093 R)
• M62: 19,928,680 km (0.086 R)
• M63: 20,202,744 km (0.118 R)
• M64: 20,399,315 km (0.102 R)
• M65: 21,471,932 km (0.108 R)
• M66: 22,116,100 km (0.055 R)
• M67: 22,359,347 km (0.118 R)
• M68: 22,440,578 km (0.079 R)
• M69: 22,603,341 km (0.052 R)
• M70: 22,807,542 km (0.108 R)
• M71: 23,053,181 km (0.069 R)
• M72: 24,128,042 km (0.038 R)
• M73: 24,253,256 km (0.034 R)
• M74: 24,545,869 km (0.117 R)
• M75: 24,671,681 km (0.072 R)
• M76: 25,008,126 km (0.04 R)
• M77: 25,134,836 km (0.103 R)
• M78: 25,770,926 km (0.104 R)
• M79: 26,197,878 km (0.083 R)
• M80: 26,842,795 km (0.112 R)
• M81: 27,754,444 km (0.109 R)
• M82: 27,841,809 km (0.096 R)
• M83: 28,411,777 km (0.101 R)
• M84: 28,764,529 km (0.026 R)
• M85: 29,163,058 km (0.106 R)
• M86: 29,340,780 km (0.12 R)
• M87: 29,920,771 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.3

Radius: 5.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.58 AU - 11.76 AU

Year: 22161 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 78.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 32,424,774 km

• M1: 1,106,127 km (0.102 R)
• M2: 1,151,604 km (0.046 R)
• M3: 1,372,112 km (0.105 R)
• M4: 1,437,486 km (0.073 R)
• M5: 1,924,128 km (0.12 R)
• M6: 2,261,920 km (0.112 R)
• M7: 2,300,666 km (0.079 R)
• M8: 2,398,353 km (0.087 R)
• M9: 3,403,800 km (0.055 R)
• M10: 3,492,961 km (0.086 R)
• M11: 3,764,780 km (0.07 R)
• M12: 3,973,170 km (0.091 R)
• M13: 4,918,928 km (0.112 R)
• M14: 5,045,039 km (0.084 R)
• M15: 5,403,774 km (0.089 R)
• M16: 6,064,847 km (0.078 R)
• M17: 6,254,537 km (0.105 R)
• M18: 6,807,152 km (0.119 R)
• M19: 8,225,789 km (0.103 R)
• M20: 9,045,136 km (0.069 R)
• M21: 9,230,787 km (0.113 R)
• M22: 9,574,264 km (0.113 R)
• M23: 9,763,505 km (0.114 R)
• M24: 9,922,079 km (0.102 R)
• M25: 10,113,564 km (0.073 R)
• M26: 10,370,573 km (0.106 R)
• M27: 10,989,908 km (0.102 R)
• M28: 11,587,701 km (0.047 R)
• M29: 12,127,750 km (0.047 R)
• M30: 12,195,966 km (0.11 R)
• M31: 12,435,173 km (0.049 R)
• M32: 12,641,618 km (0.091 R)
• M33: 12,710,733 km (0.047 R)
• M34: 13,127,662 km (0.108 R)
• M35: 14,766,955 km (0.087 R)
• M36: 14,876,012 km (0.115 R)
• M37: 15,131,825 km (0.063 R)
• M38: 15,278,580 km (0.098 R)
• M39: 15,944,889 km (0.079 R)
• M40: 16,019,389 km (0.064 R)
• M41: 16,810,014 km (0.064 R)
• M42: 17,459,119 km (0.063 R)
• M43: 18,038,810 km (0.105 R)
• M44: 18,507,052 km (0.077 R)
• M45: 18,900,195 km (0.106 R)
• M46: 19,815,136 km (0.115 R)
• M47: 20,177,013 km (0.115 R)
• M48: 20,257,796 km (0.043 R)
• M49: 20,866,659 km (0.058 R)
• M50: 21,399,078 km (0.083 R)
• M51: 22,393,904 km (0.064 R)
• M52: 22,603,191 km (0.082 R)
• M53: 23,107,785 km (0.076 R)
• M54: 24,385,351 km (0.095 R)
• M55: 24,428,435 km (0.106 R)
• M56: 24,514,453 km (0.033 R)
• M57: 24,859,576 km (0.1 R)
• M58: 25,032,810 km (0.098 R)
• M59: 26,388,616 km (0.056 R)
• M60: 27,142,290 km (0.084 R)
• M61: 27,365,190 km (0.036 R)
• M62: 27,544,110 km (0.091 R)
• M63: 28,353,584 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.3

Radius: 7.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.26 AU - 12.76 AU

Year: 23228 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,424,774 km

• M1: 816,056 km (0.119 R)
• M2: 885,320 km (0.117 R)
• M3: 2,324,302 km (0.049 R)
• M4: 2,649,677 km (0.096 R)
• M5: 3,594,388 km (0.06 R)
• M6: 4,684,059 km (0.102 R)
• M7: 5,489,943 km (0.095 R)
• M8: 5,759,069 km (0.044 R)
• M9: 6,592,030 km (0.116 R)
• M10: 7,492,011 km (0.106 R)
• M11: 9,759,167 km (0.059 R)
• M12: 11,220,139 km (0.039 R)
• M13: 13,068,720 km (0.089 R)
• M14: 13,464,108 km (0.096 R)
• M15: 14,748,256 km (0.101 R)
• M16: 15,385,991 km (0.109 R)
• M17: 15,499,387 km (0.09 R)
• M18: 16,882,718 km (0.069 R)
• M19: 20,426,692 km (0.052 R)
• M20: 22,926,322 km (0.071 R)
• M21: 23,099,258 km (0.117 R)
• M22: 23,402,941 km (0.06 R)
• M23: 28,114,227 km (0.057 R)
• M24: 28,252,904 km (0.098 R)
• M25: 29,794,810 km (0.069 R)
• M26: 29,983,602 km (0.07 R)
• M27: 30,885,528 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,690 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit