🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 11.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.69 AU - 0.77 AU

Year: 397 Days

Day: 14.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,669,973 km

• M1: 144,362 km (0.072 R)
• M2: 519,254 km (0.099 R)
• M3: 972,386 km (0.082 R)
• M4: 1,361,041 km (0.109 R)
• M5: 1,789,340 km (0.106 R)
• M6: 2,734,350 km (0.09 R)
• M7: 3,154,271 km (0.104 R)
• M8: 3,737,404 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 12.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.84 AU - 1.16 AU

Year: 636 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,669,973 km

• M1: 154,235 km (0.112 R)
• M2: 570,566 km (0.112 R)
• M3: 977,472 km (0.062 R)
• M4: 1,405,472 km (0.094 R)
• M5: 1,840,054 km (0.113 R)
• M6: 2,312,783 km (0.037 R)
• M7: 2,708,021 km (0.049 R)
• M8: 3,105,801 km (0.072 R)
• M9: 3,932,030 km (0.094 R)
• M10: 4,740,009 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 13.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.14 AU - 1.4 AU

Year: 910 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,669,973 km

• M1: 166,652 km (0.119 R)
• M2: 604,525 km (0.068 R)
• M3: 1,106,426 km (0.036 R)
• M4: 1,779,467 km (0.098 R)
• M5: 2,302,461 km (0.068 R)
• M6: 2,964,431 km (0.117 R)
• M7: 3,510,613 km (0.107 R)
• M8: 4,031,812 km (0.11 R)
• M9: 4,705,152 km (0.049 R)
• M10: 5,122,829 km (0.118 R)
• M11: 6,013,685 km (0.052 R)
• M12: 6,507,059 km (0.088 R)
• M13: 6,983,079 km (0.042 R)
• M14: 7,552,149 km (0.11 R)
• M15: 8,102,969 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 12.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.75 AU - 1.87 AU

Year: 1548 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,669,973 km

• M1: 151,692 km (0.081 R)
• M2: 555,906 km (0.109 R)
• M3: 1,490,444 km (0.085 R)
• M4: 2,109,180 km (0.06 R)
• M5: 3,061,520 km (0.056 R)
• M6: 4,727,293 km (0.092 R)
• M7: 5,287,088 km (0.083 R)
• M8: 8,287,572 km (0.091 R)
• M9: 10,559,366 km (0.097 R)
• M10: 11,066,203 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 13.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.93 AU - 2.61 AU

Year: 2175 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 133.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,669,973 km

• M1: 167,250 km (0.06 R)
• M2: 597,643 km (0.04 R)
• M3: 1,132,157 km (0.077 R)
• M4: 2,171,563 km (0.055 R)
• M5: 2,665,984 km (0.073 R)
• M6: 3,269,461 km (0.097 R)
• M7: 3,790,212 km (0.054 R)
• M8: 4,303,931 km (0.108 R)
• M9: 5,185,511 km (0.118 R)
• M10: 5,871,716 km (0.087 R)
• M11: 6,729,511 km (0.041 R)
• M12: 7,885,753 km (0.106 R)
• M13: 9,379,936 km (0.114 R)
• M14: 9,844,886 km (0.113 R)
• M15: 12,405,254 km (0.079 R)
• M16: 13,544,142 km (0.087 R)
• M17: 17,647,762 km (0.092 R)
• M18: 18,580,355 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 10.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.85 AU - 4.77 AU

Year: 5689 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,669,973 km

• M1: 130,749 km (0.064 R)
• M2: 536,458 km (0.043 R)
• M3: 927,806 km (0.108 R)
• M4: 1,357,750 km (0.073 R)
• M5: 1,905,278 km (0.089 R)
• M6: 2,348,537 km (0.081 R)
• M7: 2,918,954 km (0.073 R)
• M8: 3,356,228 km (0.119 R)
• M9: 4,032,111 km (0.097 R)
• M10: 5,908,368 km (0.1 R)
• M11: 6,507,956 km (0.095 R)
• M12: 8,469,783 km (0.113 R)
• M13: 9,189,049 km (0.09 R)
• M14: 10,992,751 km (0.087 R)
• M15: 12,694,127 km (0.064 R)
• M16: 13,021,447 km (0.12 R)
• M17: 13,410,252 km (0.044 R)
• M18: 15,044,160 km (0.066 R)
• M19: 15,846,304 km (0.11 R)
• M20: 20,290,258 km (0.116 R)
• M21: 21,809,275 km (0.088 R)
• M22: 23,239,880 km (0.088 R)
• M23: 23,812,839 km (0.108 R)
• M24: 27,088,883 km (0.095 R)
• M25: 28,460,995 km (0.03 R)
• M26: 32,143,496 km (0.116 R)
• M27: 33,060,082 km (0.083 R)
• M28: 36,460,292 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 4.3

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.55 AU - 8.99 AU

Year: 15121 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,669,973 km

• M1: 53,855 km (0.066 R)
• M2: 1,149,061 km (0.086 R)
• M3: 1,840,203 km (0.108 R)
• M4: 4,624,519 km (0.119 R)
• M5: 6,619,556 km (0.095 R)
• M6: 7,055,484 km (0.117 R)
• M7: 8,818,645 km (0.053 R)
• M8: 11,054,983 km (0.104 R)
• M9: 12,794,507 km (0.056 R)
• M10: 16,279,689 km (0.05 R)
• M11: 18,238,374 km (0.066 R)
• M12: 22,054,167 km (0.071 R)
• M13: 22,616,206 km (0.072 R)
• M14: 32,025,463 km (0.1 R)
• M15: 32,953,569 km (0.111 R)
• M16: 34,971,644 km (0.057 R)
• M17: 37,750,574 km (0.109 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: 171 - 12,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit