🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 40.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.5 AU - 0.64 AU

Year: 278 Days

Day: 19.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,029,147 km

• M1: 209,437 km (0.075 R)
• M2: 413,040 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.59 AU - 0.61 AU

Year: 300 Days

Day: 16.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,029,147 km

• M1: 57,894 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.51 AU - 0.69 AU

Year: 300 Days

Day: 44.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.5

Radius: 9.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.89 AU - 1.09 AU

Year: 636 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 59,029,147 km

• M1: 122,371 km (0.106 R)
• M2: 186,549 km (0.063 R)
• M3: 315,951 km (0.05 R)
• M4: 534,663 km (0.111 R)
• M5: 621,430 km (0.099 R)
• M6: 722,558 km (0.114 R)
• M7: 796,459 km (0.102 R)
• M8: 892,800 km (0.057 R)
• M9: 957,576 km (0.114 R)
• M10: 1,172,997 km (0.088 R)
• M11: 1,456,934 km (0.103 R)
• M12: 1,528,292 km (0.084 R)
• M13: 1,588,729 km (0.118 R)
• M14: 1,693,448 km (0.076 R)
• M15: 2,094,969 km (0.11 R)
• M16: 2,169,319 km (0.097 R)
• M17: 2,418,848 km (0.118 R)
• M18: 2,482,726 km (0.098 R)
• M19: 2,547,203 km (0.09 R)
• M20: 3,199,300 km (0.038 R)
• M21: 3,261,682 km (0.067 R)
• M22: 3,396,021 km (0.105 R)
• M23: 3,467,679 km (0.079 R)
• M24: 3,694,469 km (0.028 R)
• M25: 3,760,142 km (0.095 R)
• M26: 3,917,669 km (0.065 R)
• M27: 4,068,912 km (0.07 R)
• M28: 4,153,734 km (0.089 R)
• M29: 4,420,767 km (0.094 R)
• M30: 4,481,803 km (0.067 R)
• M31: 4,551,964 km (0.066 R)
• M32: 4,675,532 km (0.104 R)
• M33: 4,818,248 km (0.093 R)
• M34: 4,908,157 km (0.082 R)
• M35: 5,053,266 km (0.091 R)
• M36: 5,172,047 km (0.105 R)
• M37: 5,254,924 km (0.105 R)
• M38: 5,534,373 km (0.117 R)
• M39: 5,666,468 km (0.105 R)
• M40: 5,828,333 km (0.117 R)
• M41: 5,991,694 km (0.105 R)
• M42: 6,234,641 km (0.037 R)
• M43: 6,372,121 km (0.047 R)
• M44: 6,441,236 km (0.073 R)
• M45: 6,670,270 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 14.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.22 AU - 1.32 AU

Year: 924 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 59,029,147 km

• M1: 188,793 km (0.06 R)
• M2: 297,849 km (0.118 R)
• M3: 431,739 km (0.106 R)
• M4: 601,533 km (0.096 R)
• M5: 696,976 km (0.11 R)
• M6: 822,339 km (0.072 R)
• M7: 1,039,406 km (0.1 R)
• M8: 1,276,967 km (0.025 R)
• M9: 1,495,380 km (0.064 R)
• M10: 1,609,523 km (0.046 R)
• M11: 1,790,537 km (0.114 R)
• M12: 1,953,599 km (0.067 R)
• M13: 2,071,033 km (0.041 R)
• M14: 2,665,984 km (0.062 R)
• M15: 2,901,451 km (0.08 R)
• M16: 2,997,642 km (0.112 R)
• M17: 3,104,754 km (0.094 R)
• M18: 3,262,879 km (0.108 R)
• M19: 3,515,550 km (0.102 R)
• M20: 3,659,912 km (0.111 R)
• M21: 3,753,710 km (0.071 R)
• M22: 3,890,741 km (0.111 R)
• M23: 4,072,503 km (0.1 R)
• M24: 4,268,177 km (0.052 R)
• M25: 4,367,211 km (0.097 R)
• M26: 4,489,283 km (0.097 R)
• M27: 4,702,759 km (0.075 R)
• M28: 4,885,268 km (0.119 R)
• M29: 5,175,189 km (0.098 R)
• M30: 5,304,591 km (0.071 R)
• M31: 5,554,719 km (0.084 R)
• M32: 5,687,262 km (0.047 R)
• M33: 5,821,003 km (0.109 R)
• M34: 6,041,959 km (0.036 R)
• M35: 6,178,392 km (0.067 R)
• M36: 6,328,439 km (0.109 R)
• M37: 6,530,396 km (0.105 R)
• M38: 6,850,236 km (0.109 R)
• M39: 7,083,758 km (0.066 R)
• M40: 7,319,973 km (0.102 R)
• M41: 7,719,549 km (0.104 R)
• M42: 7,827,260 km (0.068 R)
• M43: 8,071,553 km (0.03 R)
• M44: 8,167,296 km (0.109 R)
• M45: 8,484,443 km (0.043 R)
• M46: 8,665,457 km (0.079 R)
• M47: 8,876,090 km (0.033 R)
• M48: 9,302,295 km (0.109 R)
• M49: 9,417,036 km (0.097 R)
• M50: 9,561,249 km (0.085 R)
• M51: 9,764,253 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 8.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.15 AU - 1.83 AU

Year: 1174 Days

Day: 7.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 59,029,147 km

• M1: 111,450 km (0.099 R)
• M2: 183,706 km (0.117 R)
• M3: 251,474 km (0.11 R)
• M4: 361,129 km (0.062 R)
• M5: 475,721 km (0.052 R)
• M6: 538,253 km (0.103 R)
• M7: 661,971 km (0.074 R)
• M8: 790,026 km (0.092 R)
• M9: 884,123 km (0.094 R)
• M10: 957,426 km (0.089 R)
• M11: 1,130,062 km (0.072 R)
• M12: 1,299,258 km (0.119 R)
• M13: 1,440,627 km (0.113 R)
• M14: 1,594,713 km (0.103 R)
• M15: 1,715,738 km (0.072 R)
• M16: 1,785,301 km (0.104 R)
• M17: 1,879,398 km (0.118 R)
• M18: 2,122,345 km (0.089 R)
• M19: 2,180,389 km (0.116 R)
• M20: 2,392,519 km (0.052 R)
• M21: 2,496,788 km (0.109 R)
• M22: 2,709,816 km (0.037 R)
• M23: 3,012,602 km (0.107 R)
• M24: 3,277,989 km (0.106 R)
• M25: 3,442,995 km (0.089 R)
• M26: 3,561,028 km (0.082 R)
• M27: 3,740,695 km (0.118 R)
• M28: 3,851,846 km (0.082 R)
• M29: 4,036,450 km (0.081 R)
• M30: 4,119,327 km (0.119 R)
• M31: 4,414,035 km (0.052 R)
• M32: 4,488,834 km (0.052 R)
• M33: 4,553,310 km (0.078 R)
• M34: 4,880,182 km (0.066 R)
• M35: 4,990,884 km (0.079 R)
• M36: 5,113,554 km (0.099 R)
• M37: 5,203,463 km (0.087 R)
• M38: 5,316,409 km (0.112 R)
• M39: 5,545,144 km (0.071 R)
• M40: 5,765,352 km (0.078 R)
• M41: 6,214,445 km (0.064 R)
• M42: 6,346,540 km (0.095 R)
• M43: 6,406,978 km (0.104 R)
• M44: 6,467,415 km (0.03 R)
• M45: 6,576,921 km (0.116 R)
• M46: 6,736,243 km (0.099 R)
• M47: 7,033,643 km (0.071 R)
• M48: 7,234,254 km (0.101 R)
• M49: 7,309,950 km (0.039 R)
• M50: 7,373,380 km (0.07 R)
• M51: 7,500,538 km (0.1 R)
• M52: 7,564,416 km (0.086 R)
• M53: 7,679,756 km (0.104 R)
• M54: 8,411,140 km (0.103 R)
• M55: 8,691,187 km (0.105 R)
• M56: 8,974,227 km (0.049 R)
• M57: 9,069,221 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 9.6

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.84 AU - 2 AU

Year: 1718 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 59,029,147 km

• M1: 121,773 km (0.05 R)
• M2: 186,848 km (0.078 R)
• M3: 290,220 km (0.11 R)
• M4: 369,357 km (0.07 R)
• M5: 463,903 km (0.095 R)
• M6: 561,441 km (0.09 R)
• M7: 842,086 km (0.058 R)
• M8: 906,862 km (0.108 R)
• M9: 1,545,944 km (0.085 R)
• M10: 1,667,567 km (0.112 R)
• M11: 1,771,538 km (0.112 R)
• M12: 2,265,959 km (0.057 R)
• M13: 2,594,625 km (0.107 R)
• M14: 2,951,117 km (0.062 R)
• M15: 3,064,961 km (0.067 R)
• M16: 3,336,332 km (0.109 R)
• M17: 3,468,427 km (0.066 R)
• M18: 3,534,998 km (0.074 R)
• M19: 3,751,316 km (0.046 R)
• M20: 3,861,121 km (0.085 R)
• M21: 3,930,235 km (0.095 R)
• M22: 4,111,997 km (0.045 R)
• M23: 4,310,962 km (0.084 R)
• M24: 4,483,897 km (0.109 R)
• M25: 4,585,923 km (0.113 R)
• M26: 4,807,178 km (0.113 R)
• M27: 4,911,597 km (0.072 R)
• M28: 5,031,874 km (0.084 R)
• M29: 5,275,569 km (0.115 R)
• M30: 5,460,771 km (0.113 R)
• M31: 5,554,120 km (0.032 R)
• M32: 5,965,215 km (0.111 R)
• M33: 6,206,965 km (0.091 R)
• M34: 6,418,945 km (0.109 R)
• M35: 6,583,653 km (0.085 R)
• M36: 6,766,611 km (0.082 R)
• M37: 6,951,065 km (0.114 R)
• M38: 7,120,410 km (0.073 R)
• M39: 7,188,477 km (0.085 R)
• M40: 7,462,989 km (0.057 R)
• M41: 7,828,457 km (0.096 R)
• M42: 8,022,335 km (0.076 R)
• M43: 8,128,700 km (0.109 R)
• M44: 8,776,907 km (0.058 R)
• M45: 8,960,015 km (0.087 R)
• M46: 9,125,769 km (0.119 R)
• M47: 9,479,269 km (0.113 R)
• M48: 9,742,561 km (0.081 R)
• M49: 10,372,668 km (0.083 R)
• M50: 10,644,038 km (0.095 R)
• M51: 10,839,263 km (0.09 R)
• M52: 11,075,179 km (0.054 R)
• M53: 11,273,097 km (0.098 R)
• M54: 11,512,005 km (0.097 R)
• M55: 11,632,132 km (0.092 R)
• M56: 11,752,708 km (0.086 R)
• M57: 11,995,056 km (0.075 R)
• M58: 12,116,979 km (0.096 R)
• M59: 12,320,881 km (0.113 R)
• M60: 13,064,382 km (0.079 R)
• M61: 13,483,705 km (0.116 R)
• M62: 14,121,141 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.4

Radius: 7.3

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.73 AU - 7.91 AU

Year: 11500 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 59,029,147 km

• M1: 96,042 km (0.114 R)
• M2: 769,531 km (0.094 R)
• M3: 871,856 km (0.067 R)
• M4: 1,182,272 km (0.072 R)
• M5: 1,816,567 km (0.074 R)
• M6: 2,182,633 km (0.111 R)
• M7: 2,510,252 km (0.05 R)
• M8: 2,633,222 km (0.071 R)
• M9: 2,758,286 km (0.08 R)
• M10: 2,949,472 km (0.074 R)
• M11: 3,277,989 km (0.103 R)
• M12: 3,514,802 km (0.112 R)
• M13: 4,258,453 km (0.095 R)
• M14: 4,704,703 km (0.09 R)
• M15: 5,165,914 km (0.09 R)
• M16: 5,322,842 km (0.045 R)
• M17: 5,401,979 km (0.066 R)
• M18: 5,481,416 km (0.068 R)
• M19: 5,641,485 km (0.106 R)
• M20: 5,884,582 km (0.119 R)
• M21: 6,131,119 km (0.119 R)
• M22: 6,762,273 km (0.108 R)
• M23: 7,680,205 km (0.064 R)
• M24: 7,769,665 km (0.115 R)
• M25: 8,085,466 km (0.086 R)
• M26: 8,267,975 km (0.103 R)
• M27: 8,916,931 km (0.061 R)
• M28: 9,438,429 km (0.113 R)
• M29: 9,727,003 km (0.081 R)
• M30: 11,061,267 km (0.086 R)
• M31: 11,930,430 km (0.078 R)
• M32: 12,451,928 km (0.108 R)
• M33: 12,609,904 km (0.06 R)
• M34: 12,927,650 km (0.03 R)
• M35: 13,141,126 km (0.112 R)
• M36: 14,280,164 km (0.066 R)
• M37: 14,390,268 km (0.087 R)
• M38: 14,556,022 km (0.057 R)
• M39: 14,611,523 km (0.074 R)
• M40: 15,225,323 km (0.118 R)
• M41: 15,281,572 km (0.111 R)
• M42: 16,018,790 km (0.103 R)
• M43: 16,076,086 km (0.057 R)
• M44: 17,351,408 km (0.082 R)
• M45: 17,941,871 km (0.116 R)
• M46: 18,001,261 km (0.085 R)
• M47: 18,358,950 km (0.091 R)
• M48: 18,598,905 km (0.069 R)
• M49: 19,263,718 km (0.113 R)
• M50: 19,568,598 km (0.112 R)
• M51: 21,304,831 km (0.096 R)
• M52: 21,493,773 km (0.119 R)
• M53: 22,703,272 km (0.108 R)
• M54: 24,065,660 km (0.059 R)
• M55: 24,262,381 km (0.096 R)
• M56: 24,525,673 km (0.095 R)
• M57: 24,657,619 km (0.061 R)
• M58: 25,454,377 km (0.103 R)
• M59: 27,482,924 km (0.078 R)
• M60: 29,632,945 km (0.095 R)
• M61: 29,843,878 km (0.101 R)
• M62: 31,334,321 km (0.057 R)
• M63: 32,124,647 km (0.03 R)
• M64: 34,239,512 km (0.059 R)
• M65: 34,313,264 km (0.09 R)
• M66: 34,830,872 km (0.052 R)
• M67: 35,202,174 km (0.053 R)
• M68: 38,525,640 km (0.091 R)
• M69: 39,603,942 km (0.034 R)
• M70: 39,758,776 km (0.086 R)
• M71: 43,614,960 km (0.101 R)
• M72: 47,753,436 km (0.06 R)
• M73: 48,911,173 km (0.088 R)
• M74: 49,660,360 km (0.114 R)
• M75: 49,994,412 km (0.115 R)
• M76: 51,001,504 km (0.038 R)
• M77: 52,015,180 km (0.09 R)
• M78: 52,609,532 km (0.091 R)
• M79: 52,694,653 km (0.059 R)
• M80: 52,865,045 km (0.09 R)
• M81: 53,548,109 km (0.094 R)
• M82: 53,890,838 km (0.099 R)
• M83: 54,750,726 km (0.07 R)
• M84: 55,095,849 km (0.09 R)
• M85: 55,441,868 km (0.115 R)
• M86: 56,920,195 km (0.075 R)
• M87: 57,007,560 km (0.057 R)
• M88: 57,883,605 km (0.096 R)
• M89: 58,235,310 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 15,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit