🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.43 AU - 0.65 AU

Year: 260 Days

Day: 44.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 33.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 14.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.7 AU - 0.72 AU

Year: 392 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 29,483,565 km

• M1: 183,257 km (0.102 R)
• M2: 282,590 km (0.047 R)
• M3: 397,332 km (0.111 R)
• M4: 502,499 km (0.058 R)
• M5: 701,016 km (0.028 R)
• M6: 813,663 km (0.095 R)
• M7: 950,545 km (0.1 R)
• M8: 1,073,365 km (0.042 R)
• M9: 1,183,618 km (0.058 R)
• M10: 1,288,187 km (0.078 R)
• M11: 1,451,399 km (0.103 R)
• M12: 1,569,581 km (0.058 R)
• M13: 1,745,209 km (0.113 R)
• M14: 1,922,033 km (0.091 R)
• M15: 2,029,894 km (0.092 R)
• M16: 2,240,228 km (0.091 R)
• M17: 2,342,104 km (0.046 R)
• M18: 2,470,160 km (0.086 R)
• M19: 2,588,193 km (0.081 R)
• M20: 2,797,929 km (0.103 R)
• M21: 2,895,168 km (0.116 R)
• M22: 3,033,246 km (0.114 R)
• M23: 3,126,446 km (0.081 R)
• M24: 3,247,919 km (0.093 R)
• M25: 3,405,446 km (0.118 R)
• M26: 3,530,510 km (0.108 R)
• M27: 3,692,674 km (0.037 R)
• M28: 3,900,764 km (0.077 R)
• M29: 4,039,143 km (0.064 R)
• M30: 4,179,316 km (0.118 R)
• M31: 4,366,163 km (0.044 R)
• M32: 4,479,708 km (0.109 R)
• M33: 4,586,521 km (0.059 R)
• M34: 4,725,198 km (0.116 R)
• M35: 4,967,397 km (0.069 R)
• M36: 5,093,957 km (0.105 R)
• M37: 5,213,635 km (0.117 R)
• M38: 5,463,913 km (0.092 R)
• M39: 5,562,049 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 11.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.05 AU - 3.09 AU

Year: 2703 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 29,483,565 km

• M1: 159,023 km (0.035 R)
• M2: 276,307 km (0.106 R)
• M3: 417,228 km (0.076 R)
• M4: 557,252 km (0.117 R)
• M5: 646,712 km (0.072 R)
• M6: 880,533 km (0.091 R)
• M7: 1,059,153 km (0.098 R)
• M8: 1,316,611 km (0.111 R)
• M9: 1,476,381 km (0.078 R)
• M10: 1,703,770 km (0.117 R)
• M11: 1,840,802 km (0.108 R)
• M12: 1,968,708 km (0.092 R)
• M13: 2,099,606 km (0.116 R)
• M14: 2,179,641 km (0.087 R)
• M15: 2,370,528 km (0.107 R)
• M16: 2,827,549 km (0.032 R)
• M17: 3,157,861 km (0.106 R)
• M18: 3,453,317 km (0.087 R)
• M19: 3,532,604 km (0.068 R)
• M20: 3,822,974 km (0.098 R)
• M21: 3,971,225 km (0.039 R)
• M22: 4,071,156 km (0.059 R)
• M23: 4,290,467 km (0.094 R)
• M24: 4,583,230 km (0.029 R)
• M25: 4,846,971 km (0.092 R)
• M26: 4,953,933 km (0.093 R)
• M27: 5,152,001 km (0.102 R)
• M28: 5,389,562 km (0.098 R)
• M29: 5,612,015 km (0.094 R)
• M30: 5,705,663 km (0.079 R)
• M31: 5,856,607 km (0.108 R)
• M32: 5,970,601 km (0.118 R)
• M33: 6,239,578 km (0.098 R)
• M34: 6,729,959 km (0.08 R)
• M35: 6,849,488 km (0.03 R)
• M36: 7,030,202 km (0.093 R)
• M37: 7,253,103 km (0.111 R)
• M38: 7,915,074 km (0.104 R)
• M39: 8,126,007 km (0.083 R)
• M40: 8,813,259 km (0.092 R)
• M41: 9,230,189 km (0.102 R)
• M42: 9,407,612 km (0.12 R)
• M43: 9,541,502 km (0.107 R)
• M44: 10,243,265 km (0.09 R)
• M45: 10,358,157 km (0.045 R)
• M46: 10,542,611 km (0.057 R)
• M47: 11,079,218 km (0.06 R)
• M48: 11,457,701 km (0.11 R)
• M49: 11,552,995 km (0.08 R)
• M50: 11,648,588 km (0.115 R)
• M51: 11,840,522 km (0.108 R)
• M52: 12,057,738 km (0.095 R)
• M53: 13,088,767 km (0.079 R)
• M54: 13,715,881 km (0.11 R)
• M55: 13,969,449 km (0.066 R)
• M56: 14,199,082 km (0.109 R)
• M57: 14,301,556 km (0.041 R)
• M58: 14,378,450 km (0.066 R)
• M59: 15,497,143 km (0.115 R)
• M60: 15,682,046 km (0.025 R)
• M61: 15,947,133 km (0.055 R)
• M62: 16,160,460 km (0.095 R)
• M63: 16,509,023 km (0.072 R)
• M64: 17,377,588 km (0.09 R)
• M65: 17,514,769 km (0.075 R)
• M66: 17,983,459 km (0.11 R)
• M67: 18,233,288 km (0.1 R)
• M68: 18,316,763 km (0.075 R)
• M69: 18,568,237 km (0.06 R)
• M70: 18,764,510 km (0.072 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 9.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.11 AU - 5.07 AU

Year: 6451 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 29,483,565 km

• M1: 203,752 km (0.066 R)
• M2: 565,330 km (0.065 R)
• M3: 667,805 km (0.087 R)
• M4: 736,470 km (0.082 R)
• M5: 818,450 km (0.085 R)
• M6: 1,202,318 km (0.106 R)
• M7: 1,518,418 km (0.095 R)
• M8: 1,611,618 km (0.091 R)
• M9: 1,776,026 km (0.12 R)
• M10: 2,226,465 km (0.069 R)
• M11: 2,842,210 km (0.076 R)
• M12: 2,958,298 km (0.071 R)
• M13: 3,109,691 km (0.062 R)
• M14: 3,194,962 km (0.029 R)
• M15: 3,777,496 km (0.076 R)
• M16: 4,127,854 km (0.111 R)
• M17: 4,411,940 km (0.089 R)
• M18: 4,643,817 km (0.088 R)
• M19: 4,979,216 km (0.109 R)
• M20: 5,673,350 km (0.056 R)
• M21: 5,799,161 km (0.116 R)
• M22: 5,862,292 km (0.088 R)
• M23: 5,925,721 km (0.089 R)
• M24: 6,117,356 km (0.045 R)
• M25: 6,268,001 km (0.069 R)
• M26: 6,506,909 km (0.11 R)
• M27: 6,882,250 km (0.087 R)
• M28: 7,061,319 km (0.109 R)
• M29: 7,219,294 km (0.085 R)
• M30: 8,524,835 km (0.083 R)
• M31: 8,789,772 km (0.091 R)
• M32: 9,229,291 km (0.104 R)
• M33: 9,451,743 km (0.111 R)
• M34: 9,526,243 km (0.09 R)
• M35: 10,231,447 km (0.118 R)
• M36: 11,136,365 km (0.089 R)
• M37: 11,215,203 km (0.097 R)
• M38: 11,426,136 km (0.118 R)
• M39: 11,798,485 km (0.104 R)
• M40: 12,066,863 km (0.106 R)
• M41: 12,364,563 km (0.08 R)
• M42: 13,271,874 km (0.095 R)
• M43: 13,467,100 km (0.076 R)
• M44: 14,058,460 km (0.058 R)
• M45: 14,172,005 km (0.088 R)
• M46: 14,257,425 km (0.097 R)
• M47: 15,647,189 km (0.078 R)
• M48: 15,765,072 km (0.118 R)
• M49: 16,747,781 km (0.073 R)
• M50: 17,261,799 km (0.076 R)
• M51: 17,474,976 km (0.088 R)
• M52: 17,996,325 km (0.069 R)
• M53: 19,117,261 km (0.076 R)
• M54: 19,527,459 km (0.118 R)
• M55: 20,132,433 km (0.118 R)
• M56: 20,905,255 km (0.119 R)
• M57: 20,970,181 km (0.096 R)
• M58: 22,082,740 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.7

Radius: 6.2

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.83 AU - 7.11 AU

Year: 9569 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 29,483,565 km

• M1: 152,889 km (0.088 R)
• M2: 260,001 km (0.079 R)
• M3: 302,188 km (0.119 R)
• M4: 580,141 km (0.114 R)
• M5: 638,185 km (0.118 R)
• M6: 1,027,588 km (0.067 R)
• M7: 1,080,845 km (0.119 R)
• M8: 1,361,341 km (0.073 R)
• M9: 2,122,046 km (0.104 R)
• M10: 2,190,711 km (0.096 R)
• M11: 2,329,987 km (0.062 R)
• M12: 2,496,190 km (0.113 R)
• M13: 2,765,317 km (0.108 R)
• M14: 2,865,547 km (0.086 R)
• M15: 3,095,330 km (0.088 R)
• M16: 3,278,288 km (0.047 R)
• M17: 3,410,981 km (0.103 R)
• M18: 3,491,614 km (0.085 R)
• M19: 3,709,429 km (0.049 R)
• M20: 3,847,956 km (0.096 R)
• M21: 4,924,463 km (0.073 R)
• M22: 5,046,235 km (0.117 R)
• M23: 5,542,900 km (0.08 R)
• M24: 5,701,324 km (0.081 R)
• M25: 5,893,408 km (0.097 R)
• M26: 5,957,885 km (0.075 R)
• M27: 6,549,096 km (0.095 R)
• M28: 6,615,816 km (0.099 R)
• M29: 7,158,707 km (0.115 R)
• M30: 7,365,900 km (0.058 R)
• M31: 7,857,179 km (0.09 R)
• M32: 8,286,824 km (0.087 R)
• M33: 8,359,080 km (0.115 R)
• M34: 8,431,635 km (0.115 R)
• M35: 8,687,148 km (0.071 R)
• M36: 8,760,751 km (0.114 R)
• M37: 9,019,555 km (0.036 R)
• M38: 9,620,489 km (0.03 R)
• M39: 10,350,976 km (0.092 R)
• M40: 10,782,117 km (0.116 R)
• M41: 11,742,834 km (0.036 R)
• M42: 12,564,127 km (0.042 R)
• M43: 12,647,303 km (0.108 R)
• M44: 13,150,102 km (0.12 R)
• M45: 13,403,820 km (0.115 R)
• M46: 13,616,697 km (0.102 R)
• M47: 14,088,679 km (0.115 R)
• M48: 14,131,912 km (0.066 R)
• M49: 14,653,411 km (0.064 R)
• M50: 15,048,798 km (0.097 R)
• M51: 16,255,753 km (0.104 R)
• M52: 16,346,260 km (0.089 R)
• M53: 16,437,066 km (0.064 R)
• M54: 17,586,277 km (0.095 R)
• M55: 17,912,699 km (0.115 R)
• M56: 18,006,348 km (0.083 R)
• M57: 18,382,437 km (0.098 R)
• M58: 18,903,935 km (0.072 R)
• M59: 19,526,412 km (0.08 R)
• M60: 21,136,384 km (0.096 R)
• M61: 21,433,785 km (0.044 R)
• M62: 21,682,566 km (0.065 R)
• M63: 23,144,436 km (0.041 R)
• M64: 23,502,125 km (0.044 R)
• M65: 23,707,223 km (0.098 R)
• M66: 23,758,685 km (0.079 R)
• M67: 24,794,201 km (0.08 R)
• M68: 25,160,118 km (0.111 R)
• M69: 25,370,004 km (0.11 R)
• M70: 25,738,762 km (0.108 R)
• M71: 26,003,251 km (0.038 R)
• M72: 26,056,209 km (0.114 R)
• M73: 26,534,922 km (0.041 R)
• M74: 27,662,890 km (0.083 R)
• M75: 27,933,812 km (0.064 R)
• M76: 28,151,178 km (0.096 R)
• M77: 29,081,078 km (0.092 R)
• M78: 29,743,647 km (0.115 R)
• M79: 29,799,148 km (0.049 R)
• M80: 31,478,085 km (0.106 R)
• M81: 31,760,825 km (0.078 R)
• M82: 33,532,961 km (0.06 R)
• M83: 34,868,421 km (0.111 R)
• M84: 35,689,714 km (0.056 R)
• M85: 36,043,662 km (0.069 R)
• M86: 39,038,312 km (0.091 R)
• M87: 39,463,918 km (0.098 R)
• M88: 39,646,876 km (0.12 R)
• M89: 40,197,097 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.6

Radius: 7.7

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.67 AU - 6.69 AU

Year: 10078 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 29,483,565 km

• M1: 113,994 km (0.05 R)
• M2: 200,012 km (0.097 R)
• M3: 299,345 km (0.109 R)
• M4: 462,257 km (0.101 R)
• M5: 637,287 km (0.096 R)
• M6: 929,452 km (0.047 R)
• M7: 1,028,934 km (0.064 R)
• M8: 1,132,306 km (0.084 R)
• M9: 1,627,326 km (0.055 R)
• M10: 2,103,795 km (0.102 R)
• M11: 2,537,030 km (0.102 R)
• M12: 2,706,674 km (0.093 R)
• M13: 3,641,362 km (0.086 R)
• M14: 3,832,997 km (0.076 R)
• M15: 4,226,140 km (0.085 R)
• M16: 4,360,030 km (0.039 R)
• M17: 4,563,633 km (0.111 R)
• M18: 4,770,377 km (0.091 R)
• M19: 4,839,940 km (0.094 R)
• M20: 5,086,328 km (0.117 R)
• M21: 5,264,648 km (0.066 R)
• M22: 5,372,808 km (0.09 R)
• M23: 5,775,226 km (0.113 R)
• M24: 6,687,025 km (0.101 R)
• M25: 7,400,008 km (0.1 R)
• M26: 8,053,901 km (0.104 R)
• M27: 8,178,516 km (0.107 R)
• M28: 8,641,072 km (0.096 R)
• M29: 8,726,193 km (0.099 R)
• M30: 9,285,689 km (0.072 R)
• M31: 9,635,748 km (0.06 R)
• M32: 11,078,770 km (0.075 R)
• M33: 11,171,221 km (0.109 R)
• M34: 11,310,347 km (0.085 R)
• M35: 13,613,257 km (0.056 R)
• M36: 13,911,106 km (0.116 R)
• M37: 13,960,922 km (0.072 R)
• M38: 14,261,315 km (0.112 R)
• M39: 14,614,366 km (0.108 R)
• M40: 14,919,246 km (0.054 R)
• M41: 15,174,909 km (0.062 R)
• M42: 15,432,217 km (0.092 R)
• M43: 15,690,722 km (0.097 R)
• M44: 16,580,830 km (0.108 R)
• M45: 17,165,458 km (0.048 R)
• M46: 17,864,978 km (0.112 R)
• M47: 18,190,951 km (0.072 R)
• M48: 18,354,761 km (0.045 R)
• M49: 18,683,727 km (0.071 R)
• M50: 20,075,436 km (0.108 R)
• M51: 20,188,233 km (0.109 R)
• M52: 20,471,122 km (0.094 R)
• M53: 21,212,679 km (0.112 R)
• M54: 22,021,106 km (0.111 R)
• M55: 22,195,537 km (0.03 R)
• M56: 23,668,029 km (0.03 R)
• M57: 23,906,488 km (0.076 R)
• M58: 25,354,146 km (0.088 R)
• M59: 25,965,702 km (0.118 R)
• M60: 26,335,060 km (0.088 R)
• M61: 27,390,772 km (0.086 R)
• M62: 28,270,557 km (0.03 R)
• M63: 28,840,973 km (0.045 R)
• M64: 29,415,280 km (0.116 R)
• M65: 29,479,308 km (0.119 R)
• M66: 30,251,382 km (0.063 R)
• M67: 30,574,962 km (0.095 R)
• M68: 30,639,888 km (0.091 R)
• M69: 30,769,739 km (0.11 R)
• M70: 32,012,748 km (0.075 R)
• M71: 32,078,720 km (0.082 R)
• M72: 32,607,249 km (0.108 R)
• M73: 33,405,653 km (0.112 R)
• M74: 34,008,682 km (0.108 R)
• M75: 37,910,195 km (0.053 R)
• M76: 38,539,104 km (0.074 R)
• M77: 39,594,816 km (0.099 R)
• M78: 39,665,576 km (0.073 R)
• M79: 40,019,824 km (0.07 R)
• M80: 41,878,727 km (0.103 R)
• M81: 42,456,474 km (0.05 R)
• M82: 42,601,285 km (0.118 R)
• M83: 43,036,615 km (0.106 R)
• M84: 43,985,215 km (0.075 R)
• M85: 45,680,308 km (0.076 R)
• M86: 45,828,709 km (0.099 R)
• M87: 46,051,610 km (0.061 R)
• M88: 46,423,959 km (0.103 R)
• M89: 47,171,500 km (0.073 R)
• M90: 47,923,079 km (0.112 R)
• M91: 48,073,874 km (0.092 R)
• M92: 49,209,920 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.9

Radius: 6.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.95 AU - 12.65 AU

Year: 21685 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 29,483,565 km

• M1: 94,995 km (0.094 R)
• M2: 200,760 km (0.03 R)
• M3: 571,763 km (0.073 R)
• M4: 865,124 km (0.117 R)
• M5: 931,845 km (0.108 R)
• M6: 986,448 km (0.076 R)
• M7: 1,157,140 km (0.1 R)
• M8: 1,383,780 km (0.105 R)
• M9: 1,657,694 km (0.098 R)
• M10: 2,793,441 km (0.114 R)
• M11: 4,487,188 km (0.059 R)
• M12: 4,723,403 km (0.091 R)
• M13: 5,632,509 km (0.1 R)
• M14: 6,620,903 km (0.029 R)
• M15: 6,674,309 km (0.082 R)
• M16: 7,217,349 km (0.072 R)
• M17: 7,327,603 km (0.04 R)
• M18: 7,802,576 km (0.047 R)
• M19: 8,086,662 km (0.092 R)
• M20: 8,900,176 km (0.111 R)
• M21: 9,346,576 km (0.119 R)
• M22: 9,527,140 km (0.087 R)
• M23: 11,235,997 km (0.09 R)
• M24: 11,524,422 km (0.105 R)
• M25: 13,272,622 km (0.064 R)
• M26: 13,340,091 km (0.063 R)
• M27: 13,987,850 km (0.092 R)
• M28: 15,101,606 km (0.117 R)
• M29: 15,562,218 km (0.083 R)
• M30: 16,569,759 km (0.061 R)
• M31: 16,971,430 km (0.119 R)
• M32: 17,339,291 km (0.052 R)
• M33: 18,571,977 km (0.107 R)
• M34: 20,531,859 km (0.077 R)
• M35: 22,074,512 km (0.11 R)
• M36: 22,435,791 km (0.088 R)
• M37: 23,776,936 km (0.088 R)
• M38: 24,519,540 km (0.109 R)
• M39: 24,644,005 km (0.077 R)
• M40: 25,353,398 km (0.065 R)
• M41: 26,664,324 km (0.105 R)
• M42: 28,083,709 km (0.036 R)
• M43: 28,127,092 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 18,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit