🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 28.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 22.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 12.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.05 AU - 2.91 AU

Year: 2522 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,193,347 km

• M1: 160,369 km (0.087 R)
• M2: 564,134 km (0.109 R)
• M3: 1,050,925 km (0.102 R)
• M4: 1,500,018 km (0.11 R)
• M5: 2,762,624 km (0.116 R)
• M6: 3,373,881 km (0.093 R)
• M7: 4,073,999 km (0.086 R)
• M8: 4,539,398 km (0.109 R)
• M9: 5,371,760 km (0.04 R)
• M10: 11,739,992 km (0.111 R)
• M11: 14,336,562 km (0.074 R)
• M12: 15,007,210 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 10.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.67 AU - 3.11 AU

Year: 3172 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,193,347 km

• M1: 130,599 km (0.116 R)
• M2: 686,505 km (0.066 R)
• M3: 1,073,365 km (0.113 R)
• M4: 1,575,565 km (0.093 R)
• M5: 2,057,719 km (0.071 R)
• M6: 3,431,177 km (0.094 R)
• M7: 4,532,516 km (0.034 R)
• M8: 5,696,687 km (0.113 R)
• M9: 6,663,987 km (0.104 R)
• M10: 7,141,054 km (0.037 R)
• M11: 8,064,073 km (0.112 R)
• M12: 8,675,779 km (0.101 R)
• M13: 9,763,954 km (0.045 R)
• M14: 10,900,000 km (0.104 R)
• M15: 11,228,367 km (0.06 R)
• M16: 13,062,437 km (0.038 R)
• M17: 15,755,498 km (0.073 R)
• M18: 17,876,048 km (0.114 R)
• M19: 19,391,325 km (0.113 R)
• M20: 19,813,490 km (0.064 R)
• M21: 20,241,789 km (0.085 R)
• M22: 21,244,094 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 12.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.8 AU - 3.88 AU

Year: 3941 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,193,347 km

• M1: 168,746 km (0.06 R)
• M2: 621,878 km (0.098 R)
• M3: 1,080,396 km (0.119 R)
• M4: 2,820,668 km (0.054 R)
• M5: 3,664,250 km (0.103 R)
• M6: 4,579,191 km (0.098 R)
• M7: 5,477,077 km (0.102 R)
• M8: 6,979,788 km (0.074 R)
• M9: 7,801,230 km (0.038 R)
• M10: 9,052,616 km (0.034 R)
• M11: 10,687,721 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 13.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.92 AU - 3.86 AU

Year: 4030 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,193,347 km

• M1: 173,534 km (0.103 R)
• M2: 884,871 km (0.032 R)
• M3: 1,320,650 km (0.062 R)
• M4: 1,980,526 km (0.099 R)
• M5: 3,344,410 km (0.093 R)
• M6: 4,185,300 km (0.099 R)
• M7: 5,263,900 km (0.111 R)
• M8: 6,202,777 km (0.027 R)
• M9: 6,939,845 km (0.054 R)
• M10: 7,409,583 km (0.102 R)
• M11: 9,021,200 km (0.094 R)
• M12: 9,890,364 km (0.11 R)
• M13: 11,708,128 km (0.097 R)
• M14: 14,533,284 km (0.083 R)
• M15: 15,781,379 km (0.101 R)
• M16: 16,486,583 km (0.107 R)
• M17: 17,099,785 km (0.102 R)
• M18: 22,093,661 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 10.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.41 AU - 5.21 AU

Year: 5777 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,193,347 km

• M1: 135,536 km (0.048 R)
• M2: 544,686 km (0.045 R)
• M3: 976,126 km (0.081 R)
• M4: 1,333,366 km (0.107 R)
• M5: 1,887,327 km (0.068 R)
• M6: 2,715,800 km (0.098 R)
• M7: 3,342,914 km (0.103 R)
• M8: 3,789,164 km (0.062 R)
• M9: 4,216,715 km (0.063 R)
• M10: 6,438,543 km (0.047 R)
• M11: 6,859,810 km (0.118 R)
• M12: 8,764,042 km (0.099 R)
• M13: 10,704,027 km (0.027 R)
• M14: 11,409,979 km (0.028 R)
• M15: 12,873,645 km (0.085 R)
• M16: 13,887,769 km (0.104 R)
• M17: 15,507,614 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 14.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.43 AU - 5.31 AU

Year: 5898 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,193,347 km

• M1: 181,612 km (0.066 R)
• M2: 704,756 km (0.088 R)
• M3: 1,276,967 km (0.118 R)
• M4: 1,747,752 km (0.119 R)
• M5: 2,272,691 km (0.105 R)
• M6: 2,922,394 km (0.091 R)
• M7: 3,408,587 km (0.079 R)
• M8: 4,215,818 km (0.114 R)
• M9: 5,988,702 km (0.072 R)
• M10: 8,697,471 km (0.045 R)
• M11: 9,453,389 km (0.09 R)
• M12: 10,390,320 km (0.025 R)
• M13: 11,734,906 km (0.107 R)
• M14: 13,909,311 km (0.112 R)
• M15: 15,420,399 km (0.084 R)
• M16: 22,416,343 km (0.092 R)
• M17: 27,037,422 km (0.119 R)
• M18: 28,466,231 km (0.117 R)
• M19: 29,944,856 km (0.092 R)
• M20: 30,703,168 km (0.094 R)
• M21: 31,962,632 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 12.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.65 AU - 7.27 AU

Year: 9395 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,193,347 km

• M1: 154,235 km (0.081 R)
• M2: 553,213 km (0.115 R)
• M3: 1,048,681 km (0.111 R)
• M4: 1,634,058 km (0.094 R)
• M5: 2,654,315 km (0.12 R)
• M6: 3,452,120 km (0.107 R)
• M7: 3,919,315 km (0.068 R)
• M8: 4,982,207 km (0.052 R)
• M9: 5,405,569 km (0.119 R)
• M10: 5,883,535 km (0.03 R)
• M11: 8,552,510 km (0.11 R)
• M12: 9,413,596 km (0.093 R)
• M13: 10,976,145 km (0.115 R)
• M14: 12,653,437 km (0.086 R)
• M15: 14,609,429 km (0.118 R)
• M16: 15,128,384 km (0.068 R)
• M17: 15,540,526 km (0.079 R)
• M18: 16,510,668 km (0.105 R)
• M19: 17,200,913 km (0.085 R)
• M20: 19,594,778 km (0.031 R)
• M21: 20,944,001 km (0.119 R)
• M22: 21,530,275 km (0.112 R)
• M23: 22,278,564 km (0.085 R)
• M24: 23,044,056 km (0.117 R)
• M25: 28,275,942 km (0.093 R)
• M26: 29,082,724 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.6

Radius: 3.7

Gravity: 63.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.26 AU - 9.08 AU

Year: 15078 Days

Day: 23.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 68,193,347 km

• M1: 46,824 km (0.091 R)
• M2: 199,264 km (0.119 R)
• M3: 346,618 km (0.112 R)
• M4: 484,548 km (0.08 R)
• M5: 732,730 km (0.109 R)
• M6: 886,068 km (0.084 R)
• M7: 1,023,848 km (0.079 R)
• M8: 1,257,669 km (0.102 R)
• M9: 1,708,108 km (0.118 R)
• M10: 1,923,081 km (0.099 R)
• M11: 2,056,672 km (0.119 R)
• M12: 2,630,978 km (0.066 R)
• M13: 4,119,626 km (0.098 R)
• M14: 7,257,591 km (0.102 R)
• M15: 7,395,670 km (0.096 R)
• M16: 9,032,719 km (0.094 R)
• M17: 12,534,058 km (0.047 R)
• M18: 13,619,390 km (0.097 R)
• M19: 14,184,870 km (0.043 R)
• M20: 15,136,911 km (0.047 R)
• M21: 20,634,184 km (0.1 R)
• M22: 21,004,439 km (0.105 R)
• M23: 21,758,561 km (0.026 R)
• M24: 22,726,310 km (0.119 R)
• M25: 23,420,594 km (0.039 R)
• M26: 24,747,228 km (0.096 R)
• M27: 26,447,707 km (0.066 R)
• M28: 27,326,445 km (0.091 R)
• M29: 30,079,345 km (0.059 R)
• M30: 30,435,836 km (0.109 R)
• M31: 30,555,365 km (0.118 R)
• M32: 32,013,795 km (0.084 R)
• M33: 38,034,211 km (0.109 R)
• M34: 42,639,881 km (0.091 R)
• M35: 47,442,870 km (0.115 R)
• M36: 52,594,123 km (0.054 R)
• M37: 55,571,121 km (0.068 R)
• M38: 57,191,715 km (0.097 R)
• M39: 57,922,052 km (0.116 R)
• M40: 58,473,769 km (0.047 R)
• M41: 60,338,356 km (0.116 R)
• M42: 60,716,091 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 18,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit