🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 11.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.58 AU - 0.82 AU

Year: 378 Days

Day: 15 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,117,344 km

• M1: 139,425 km (0.107 R)
• M2: 519,853 km (0.078 R)
• M3: 913,145 km (0.094 R)
• M4: 1,296,864 km (0.117 R)
• M5: 1,995,336 km (0.085 R)
• M6: 2,351,679 km (0.064 R)
• M7: 2,994,650 km (0.059 R)
• M8: 3,551,154 km (0.105 R)
• M9: 4,012,813 km (0.075 R)
• M10: 5,543,200 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 9.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.88 AU - 0.9 AU

Year: 542 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 86,117,344 km

• M1: 117,584 km (0.104 R)
• M2: 813,663 km (0.107 R)
• M3: 2,042,310 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 11.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.89 AU - 1.01 AU

Year: 598 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,117,344 km

• M1: 194,028 km (0.034 R)
• M2: 711,487 km (0.073 R)
• M3: 1,910,963 km (0.089 R)
• M4: 2,284,060 km (0.078 R)
• M5: 3,510,464 km (0.08 R)
• M6: 3,876,829 km (0.071 R)
• M7: 5,293,072 km (0.117 R)
• M8: 5,708,505 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 11.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.68 AU - 1.74 AU

Year: 1444 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,117,344 km

• M1: 144,212 km (0.094 R)
• M2: 559,197 km (0.06 R)
• M3: 965,056 km (0.114 R)
• M4: 1,392,906 km (0.038 R)
• M5: 2,268,053 km (0.11 R)
• M6: 2,724,327 km (0.106 R)
• M7: 3,212,913 km (0.11 R)
• M8: 3,905,701 km (0.101 R)
• M9: 4,770,526 km (0.113 R)
• M10: 5,218,572 km (0.09 R)
• M11: 5,932,603 km (0.078 R)
• M12: 6,382,294 km (0.088 R)
• M13: 6,976,347 km (0.106 R)
• M14: 7,607,052 km (0.109 R)
• M15: 8,469,334 km (0.05 R)
• M16: 9,546,289 km (0.077 R)
• M17: 10,388,375 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 9.1

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.75 AU - 6.63 AU

Year: 8764 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,117,344 km

• M1: 116,537 km (0.096 R)
• M2: 472,580 km (0.074 R)
• M3: 1,004,998 km (0.105 R)
• M4: 1,408,763 km (0.119 R)
• M5: 2,103,346 km (0.046 R)
• M6: 3,781,385 km (0.045 R)
• M7: 6,171,511 km (0.114 R)
• M8: 9,865,980 km (0.063 R)
• M9: 15,623,104 km (0.111 R)
• M10: 16,313,349 km (0.049 R)
• M11: 17,023,789 km (0.114 R)
• M12: 20,315,540 km (0.113 R)
• M13: 22,153,500 km (0.039 R)
• M14: 28,026,413 km (0.088 R)
• M15: 29,772,669 km (0.119 R)
• M16: 31,156,001 km (0.062 R)
• M17: 33,141,613 km (0.117 R)
• M18: 33,593,997 km (0.066 R)
• M19: 36,037,229 km (0.092 R)
• M20: 39,984,369 km (0.101 R)
• M21: 44,210,360 km (0.034 R)
• M22: 44,758,785 km (0.075 R)
• M23: 46,149,447 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 12

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.07 AU - 6.57 AU

Year: 9066 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,117,344 km

• M1: 152,889 km (0.026 R)
• M2: 827,875 km (0.038 R)
• M3: 1,240,615 km (0.104 R)
• M4: 1,835,416 km (0.081 R)
• M5: 2,272,691 km (0.083 R)
• M6: 3,426,390 km (0.088 R)
• M7: 4,908,605 km (0.054 R)
• M8: 8,229,977 km (0.08 R)
• M9: 8,632,545 km (0.089 R)
• M10: 10,376,707 km (0.109 R)
• M11: 12,189,235 km (0.094 R)
• M12: 13,417,283 km (0.115 R)
• M13: 14,033,028 km (0.059 R)
• M14: 14,726,115 km (0.116 R)
• M15: 15,260,778 km (0.106 R)
• M16: 17,795,714 km (0.069 R)
• M17: 18,745,660 km (0.04 R)
• M18: 19,586,550 km (0.064 R)
• M19: 20,379,419 km (0.072 R)
• M20: 22,029,034 km (0.076 R)
• M21: 24,667,941 km (0.065 R)
• M22: 26,192,792 km (0.109 R)
• M23: 27,959,842 km (0.11 R)
• M24: 31,436,347 km (0.116 R)
• M25: 32,224,279 km (0.117 R)
• M26: 35,191,104 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.9

Radius: 3

Gravity: 73.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.23 AU - 7.89 AU

Year: 13421 Days

Day: 23 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,117,344 km

• M1: 37,250 km (0.045 R)
• M2: 213,027 km (0.111 R)
• M3: 420,370 km (0.089 R)
• M4: 948,899 km (0.077 R)
• M5: 1,062,294 km (0.065 R)
• M6: 1,414,448 km (0.064 R)
• M7: 1,562,999 km (0.065 R)
• M8: 2,016,280 km (0.102 R)
• M9: 2,363,646 km (0.114 R)
• M10: 2,530,298 km (0.055 R)
• M11: 2,887,089 km (0.077 R)
• M12: 4,431,687 km (0.11 R)
• M13: 5,151,851 km (0.109 R)
• M14: 5,290,678 km (0.095 R)
• M15: 7,114,725 km (0.08 R)
• M16: 7,417,960 km (0.108 R)
• M17: 9,216,426 km (0.039 R)
• M18: 9,524,597 km (0.117 R)
• M19: 12,614,840 km (0.093 R)
• M20: 15,869,641 km (0.094 R)
• M21: 16,461,450 km (0.117 R)
• M22: 17,298,899 km (0.037 R)
• M23: 18,486,258 km (0.09 R)
• M24: 25,948,648 km (0.095 R)
• M25: 26,769,043 km (0.03 R)
• M26: 30,448,851 km (0.093 R)
• M27: 38,924,169 km (0.028 R)
• M28: 39,593,021 km (0.082 R)
• M29: 41,506,677 km (0.115 R)
• M30: 45,075,634 km (0.111 R)
• M31: 50,250,074 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.2

Radius: 7.2

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.72 AU - 8.68 AU

Year: 13796 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,117,344 km

• M1: 123,867 km (0.096 R)
• M2: 470,336 km (0.103 R)
• M3: 840,590 km (0.054 R)
• M4: 1,098,647 km (0.103 R)
• M5: 1,812,827 km (0.087 R)
• M6: 3,286,665 km (0.098 R)
• M7: 4,026,127 km (0.068 R)
• M8: 7,036,336 km (0.094 R)
• M9: 8,942,662 km (0.116 R)
• M10: 10,427,271 km (0.076 R)
• M11: 11,227,919 km (0.105 R)
• M12: 12,568,016 km (0.071 R)
• M13: 13,540,851 km (0.109 R)
• M14: 14,354,514 km (0.093 R)
• M15: 15,416,809 km (0.095 R)
• M16: 16,303,774 km (0.115 R)
• M17: 17,224,250 km (0.059 R)
• M18: 21,798,504 km (0.083 R)
• M19: 22,258,966 km (0.104 R)
• M20: 23,295,081 km (0.056 R)
• M21: 24,858,977 km (0.116 R)
• M22: 27,334,224 km (0.086 R)
• M23: 33,494,664 km (0.057 R)
• M24: 37,025,922 km (0.105 R)
• M25: 37,418,467 km (0.11 R)
• M26: 44,966,128 km (0.118 R)
• M27: 47,229,693 km (0.108 R)
• M28: 48,000,721 km (0.083 R)
• M29: 52,146,227 km (0.098 R)
• M30: 57,743,432 km (0.083 R)
• M31: 58,625,012 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.2

Radius: 5.1

Gravity: 30.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.1 AU - 12.26 AU

Year: 22536 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,117,344 km

• M1: 63,429 km (0.045 R)
• M2: 239,656 km (0.076 R)
• M3: 422,614 km (0.104 R)
• M4: 794,065 km (0.082 R)
• M5: 1,328,878 km (0.058 R)
• M6: 1,628,822 km (0.095 R)
• M7: 2,295,131 km (0.074 R)
• M8: 2,990,312 km (0.111 R)
• M9: 3,356,976 km (0.113 R)
• M10: 4,493,322 km (0.115 R)
• M11: 5,366,973 km (0.093 R)
• M12: 5,780,013 km (0.103 R)
• M13: 6,484,619 km (0.105 R)
• M14: 7,905,051 km (0.114 R)
• M15: 8,385,110 km (0.084 R)
• M16: 8,771,671 km (0.101 R)
• M17: 9,112,306 km (0.109 R)
• M18: 10,312,080 km (0.039 R)
• M19: 10,755,788 km (0.108 R)
• M20: 12,515,657 km (0.046 R)
• M21: 13,463,808 km (0.04 R)
• M22: 13,689,252 km (0.1 R)
• M23: 13,993,684 km (0.1 R)
• M24: 16,594,443 km (0.093 R)
• M25: 18,190,203 km (0.115 R)
• M26: 28,827,360 km (0.09 R)
• M27: 43,957,988 km (0.107 R)
• M28: 44,122,994 km (0.104 R)
• M29: 51,800,058 km (0.046 R)
• M30: 57,121,853 km (0.085 R)
• M31: 57,712,764 km (0.097 R)
• M32: 61,964,036 km (0.119 R)
• M33: 69,953,460 km (0.102 R)
• M34: 72,685,117 km (0.041 R)
• M35: 79,578,139 km (0.119 R)
• M36: 83,814,750 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 11,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit