🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 12.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.52 AU - 0.76 AU

Year: 341 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,500,723 km

• M1: 156,629 km (0.039 R)
• M2: 581,188 km (0.084 R)
• M3: 1,073,066 km (0.096 R)
• M4: 1,660,536 km (0.119 R)
• M5: 2,054,577 km (0.118 R)
• M6: 2,530,747 km (0.086 R)
• M7: 3,069,748 km (0.097 R)
• M8: 4,061,133 km (0.111 R)
• M9: 4,547,027 km (0.119 R)
• M10: 4,951,540 km (0.085 R)
• M11: 5,348,722 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 13.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.94 AU - 1.46 AU

Year: 877 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,500,723 km

• M1: 171,589 km (0.103 R)
• M2: 858,841 km (0.075 R)
• M3: 1,911,113 km (0.057 R)
• M4: 3,369,542 km (0.047 R)
• M5: 4,231,376 km (0.04 R)
• M6: 4,668,052 km (0.069 R)
• M7: 6,510,051 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 14.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.21 AU - 1.69 AU

Year: 1164 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,500,723 km

• M1: 182,809 km (0.093 R)
• M2: 652,396 km (0.09 R)
• M3: 1,174,343 km (0.116 R)
• M4: 1,869,525 km (0.04 R)
• M5: 2,398,203 km (0.115 R)
• M6: 3,360,567 km (0.082 R)
• M7: 4,711,884 km (0.098 R)
• M8: 5,261,656 km (0.106 R)
• M9: 6,177,943 km (0.085 R)
• M10: 7,520,584 km (0.07 R)
• M11: 8,739,807 km (0.118 R)
• M12: 9,222,410 km (0.074 R)
• M13: 10,148,570 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 8.5

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.1 AU - 1.8 AU

Year: 1164 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,500,723 km

• M1: 106,065 km (0.112 R)
• M2: 382,372 km (0.089 R)
• M3: 693,835 km (0.11 R)
• M4: 1,026,391 km (0.116 R)
• M5: 1,431,352 km (0.118 R)
• M6: 1,919,490 km (0.117 R)
• M7: 2,801,519 km (0.114 R)
• M8: 3,257,942 km (0.115 R)
• M9: 3,648,243 km (0.059 R)
• M10: 3,914,228 km (0.085 R)
• M11: 5,009,883 km (0.112 R)
• M12: 5,771,785 km (0.069 R)
• M13: 6,134,261 km (0.075 R)
• M14: 6,755,840 km (0.115 R)
• M15: 7,929,884 km (0.073 R)
• M16: 8,755,365 km (0.09 R)
• M17: 9,605,530 km (0.115 R)
• M18: 12,007,174 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 14.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.38 AU - 2.2 AU

Year: 1597 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,500,723 km

• M1: 200,162 km (0.044 R)
• M2: 705,504 km (0.047 R)
• M3: 1,197,681 km (0.068 R)
• M4: 1,688,212 km (0.078 R)
• M5: 2,490,057 km (0.108 R)
• M6: 3,470,970 km (0.064 R)
• M7: 4,290,467 km (0.093 R)
• M8: 4,919,975 km (0.109 R)
• M9: 5,498,769 km (0.098 R)
• M10: 6,267,702 km (0.048 R)
• M11: 7,736,603 km (0.098 R)
• M12: 8,734,421 km (0.115 R)
• M13: 9,201,167 km (0.087 R)
• M14: 9,849,524 km (0.045 R)
• M15: 10,773,141 km (0.09 R)
• M16: 13,560,748 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 8.4

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.2 AU - 3.08 AU

Year: 2860 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,500,723 km

• M1: 104,719 km (0.076 R)
• M2: 473,178 km (0.108 R)
• M3: 873,053 km (0.079 R)
• M4: 1,190,949 km (0.062 R)
• M5: 1,500,766 km (0.104 R)
• M6: 1,888,972 km (0.06 R)
• M7: 2,230,055 km (0.092 R)
• M8: 2,596,720 km (0.115 R)
• M9: 3,213,063 km (0.079 R)
• M10: 3,943,998 km (0.105 R)
• M11: 4,393,241 km (0.1 R)
• M12: 5,069,273 km (0.108 R)
• M13: 5,920,785 km (0.077 R)
• M14: 8,411,739 km (0.105 R)
• M15: 9,156,886 km (0.045 R)
• M16: 9,526,841 km (0.099 R)
• M17: 9,983,863 km (0.108 R)
• M18: 10,656,305 km (0.068 R)
• M19: 10,941,887 km (0.107 R)
• M20: 11,528,311 km (0.074 R)
• M21: 12,627,407 km (0.103 R)
• M22: 15,237,590 km (0.115 R)
• M23: 16,343,119 km (0.104 R)
• M24: 19,734,652 km (0.102 R)
• M25: 20,792,608 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 14.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.01 AU - 3.73 AU

Year: 4125 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,500,723 km

• M1: 184,454 km (0.116 R)
• M2: 1,010,683 km (0.101 R)
• M3: 1,635,703 km (0.103 R)
• M4: 2,124,589 km (0.061 R)
• M5: 2,973,856 km (0.117 R)
• M6: 3,864,861 km (0.11 R)
• M7: 4,409,248 km (0.096 R)
• M8: 5,057,006 km (0.098 R)
• M9: 5,625,927 km (0.075 R)
• M10: 6,117,805 km (0.111 R)
• M11: 6,797,129 km (0.063 R)
• M12: 7,664,497 km (0.058 R)
• M13: 9,339,096 km (0.042 R)
• M14: 10,283,956 km (0.088 R)
• M15: 15,315,830 km (0.102 R)
• M16: 17,710,294 km (0.06 R)
• M17: 21,093,898 km (0.112 R)
• M18: 21,790,725 km (0.071 R)
• M19: 27,271,093 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 3.8

Gravity: 60.13 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.02 AU - 10.04 AU

Year: 15174 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,500,723 km

• M1: 47,273 km (0.097 R)
• M2: 187,446 km (0.041 R)
• M3: 708,795 km (0.111 R)
• M4: 924,365 km (0.112 R)
• M5: 1,769,144 km (0.08 R)
• M6: 3,032,798 km (0.096 R)
• M7: 4,362,872 km (0.092 R)
• M8: 7,665,096 km (0.054 R)
• M9: 9,074,308 km (0.085 R)
• M10: 9,672,400 km (0.031 R)
• M11: 11,128,436 km (0.109 R)
• M12: 20,269,016 km (0.088 R)
• M13: 21,287,627 km (0.065 R)
• M14: 25,385,113 km (0.071 R)
• M15: 33,925,805 km (0.087 R)
• M16: 38,765,147 km (0.112 R)
• M17: 40,186,775 km (0.072 R)
• M18: 40,619,861 km (0.093 R)
• M19: 48,467,616 km (0.117 R)
• M20: 59,669,056 km (0.063 R)
• M21: 61,753,103 km (0.094 R)
• M22: 63,689,349 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 16,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit