🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.35 AU - 5.23 AU

Year: 3229 Days

Day: 47.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.59 AU - 4.97 AU

Year: 3798 Days

Day: 37.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,895,691 km

• M1: 306,376 km (0.057 R)
• M2: 999,314 km (0.056 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 12.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.65 AU - 6.07 AU

Year: 4510 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,895,691 km

• M1: 153,039 km (0.115 R)
• M2: 880,982 km (0.078 R)
• M3: 1,263,952 km (0.028 R)
• M4: 1,798,914 km (0.04 R)
• M5: 2,345,246 km (0.06 R)
• M6: 3,036,538 km (0.092 R)
• M7: 4,098,682 km (0.083 R)
• M8: 4,752,425 km (0.115 R)
• M9: 5,182,519 km (0.038 R)
• M10: 9,427,059 km (0.102 R)
• M11: 10,824,304 km (0.041 R)
• M12: 11,982,490 km (0.114 R)
• M13: 12,783,437 km (0.081 R)
• M14: 14,702,778 km (0.102 R)
• M15: 15,731,413 km (0.03 R)
• M16: 16,807,470 km (0.103 R)
• M17: 17,274,814 km (0.119 R)
• M18: 19,615,123 km (0.107 R)
• M19: 20,264,528 km (0.104 R)
• M20: 21,333,255 km (0.098 R)
• M21: 23,078,015 km (0.046 R)
• M22: 25,219,059 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 8.4

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.55 AU - 6.65 AU

Year: 4816 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,895,691 km

• M1: 104,569 km (0.087 R)
• M2: 417,228 km (0.096 R)
• M3: 906,264 km (0.086 R)
• M4: 1,328,728 km (0.049 R)
• M5: 1,878,351 km (0.111 R)
• M6: 2,198,490 km (0.114 R)
• M7: 2,930,772 km (0.093 R)
• M8: 5,537,066 km (0.113 R)
• M9: 5,802,303 km (0.025 R)
• M10: 9,023,893 km (0.104 R)
• M11: 9,433,642 km (0.093 R)
• M12: 14,572,478 km (0.081 R)
• M13: 16,979,209 km (0.029 R)
• M14: 19,981,488 km (0.087 R)
• M15: 25,362,823 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 14.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.98 AU - 6.76 AU

Year: 5843 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,895,691 km

• M1: 176,675 km (0.083 R)
• M2: 814,411 km (0.04 R)
• M3: 1,561,054 km (0.083 R)
• M4: 4,494,818 km (0.039 R)
• M5: 6,410,269 km (0.098 R)
• M6: 7,405,394 km (0.096 R)
• M7: 14,379,946 km (0.074 R)
• M8: 21,032,114 km (0.1 R)
• M9: 22,756,678 km (0.079 R)
• M10: 28,674,920 km (0.095 R)
• M11: 29,859,735 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 10.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.87 AU - 12.81 AU

Year: 12084 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,895,691 km

• M1: 129,253 km (0.093 R)
• M2: 1,852,022 km (0.1 R)
• M3: 2,266,707 km (0.108 R)
• M4: 4,585,474 km (0.098 R)
• M5: 6,200,383 km (0.075 R)
• M6: 6,724,424 km (0.072 R)
• M7: 7,171,722 km (0.066 R)
• M8: 8,049,861 km (0.094 R)
• M9: 9,975,036 km (0.079 R)
• M10: 12,907,753 km (0.097 R)
• M11: 19,568,449 km (0.071 R)
• M12: 25,728,440 km (0.118 R)
• M13: 30,577,655 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.8

Radius: 7.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.26 AU - 17.46 AU

Year: 19777 Days

Day: 23.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,895,691 km

• M1: 92,003 km (0.097 R)
• M2: 562,488 km (0.081 R)
• M3: 853,306 km (0.103 R)
• M4: 1,585,139 km (0.114 R)
• M5: 1,887,327 km (0.082 R)
• M6: 2,150,320 km (0.093 R)
• M7: 3,150,232 km (0.109 R)
• M8: 3,609,348 km (0.057 R)
• M9: 4,306,324 km (0.094 R)
• M10: 5,229,044 km (0.063 R)
• M11: 6,767,359 km (0.074 R)
• M12: 7,749,618 km (0.106 R)
• M13: 9,864,035 km (0.103 R)
• M14: 10,983,625 km (0.111 R)
• M15: 21,292,115 km (0.098 R)
• M16: 22,172,349 km (0.109 R)
• M17: 24,558,136 km (0.08 R)
• M18: 25,362,823 km (0.118 R)
• M19: 26,518,915 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.6

Radius: 5.9

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 18.15 AU - 20.59 AU

Year: 30983 Days

Day: 16.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,895,691 km

• M1: 75,397 km (0.054 R)
• M2: 268,379 km (0.099 R)
• M3: 1,067,082 km (0.091 R)
• M4: 1,744,461 km (0.068 R)
• M5: 2,045,751 km (0.094 R)
• M6: 2,311,437 km (0.034 R)
• M7: 3,835,390 km (0.117 R)
• M8: 4,417,625 km (0.111 R)
• M9: 4,673,737 km (0.078 R)
• M10: 5,502,359 km (0.052 R)
• M11: 5,973,593 km (0.095 R)
• M12: 6,564,803 km (0.064 R)
• M13: 8,185,098 km (0.073 R)
• M14: 9,930,456 km (0.095 R)
• M15: 11,426,136 km (0.116 R)
• M16: 12,334,943 km (0.088 R)
• M17: 14,937,946 km (0.041 R)
• M18: 15,349,340 km (0.116 R)
• M19: 21,823,786 km (0.091 R)
• M20: 27,145,431 km (0.075 R)
• M21: 29,650,597 km (0.102 R)
• M22: 37,026,221 km (0.072 R)
• M23: 50,149,844 km (0.054 R)
• M24: 53,904,152 km (0.114 R)
• M25: 59,468,594 km (0.107 R)
• M26: 65,842,361 km (0.113 R)
• M27: 69,193,503 km (0.101 R)
• M28: 70,106,050 km (0.102 R)
• M29: 75,028,418 km (0.115 R)
• M30: 75,749,929 km (0.111 R)
• M31: 75,991,530 km (0.086 R)
• M32: 82,452,811 km (0.106 R)
• M33: 89,540,160 km (0.101 R)
• M34: 89,810,184 km (0.089 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit