🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 13.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.58 AU - 0.72 AU

Year: 362 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,656,371 km

• M1: 170,392 km (0.12 R)
• M2: 598,541 km (0.065 R)
• M3: 1,051,823 km (0.053 R)
• M4: 1,507,348 km (0.091 R)
• M5: 2,014,335 km (0.042 R)
• M6: 2,528,952 km (0.042 R)
• M7: 3,605,757 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 9.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.91 AU

Year: 439 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,656,371 km

• M1: 115,639 km (0.044 R)
• M2: 417,378 km (0.048 R)
• M3: 854,802 km (0.071 R)
• M4: 1,375,552 km (0.101 R)
• M5: 1,732,643 km (0.107 R)
• M6: 2,050,388 km (0.114 R)
• M7: 2,441,736 km (0.104 R)
• M8: 2,815,133 km (0.025 R)
• M9: 3,496,551 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.6

Radius: 9.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.96 AU

Year: 541 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,656,371 km

• M1: 116,986 km (0.108 R)
• M2: 454,030 km (0.083 R)
• M3: 749,635 km (0.089 R)
• M4: 1,237,922 km (0.089 R)
• M5: 1,541,756 km (0.054 R)
• M6: 2,044,255 km (0.111 R)
• M7: 2,365,292 km (0.108 R)
• M8: 2,661,346 km (0.102 R)
• M9: 3,397,816 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 11.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.19 AU - 1.81 AU

Year: 1268 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,656,371 km

• M1: 139,575 km (0.077 R)
• M2: 580,440 km (0.107 R)
• M3: 1,114,055 km (0.108 R)
• M4: 1,702,873 km (0.077 R)
• M5: 2,059,364 km (0.067 R)
• M6: 2,776,088 km (0.034 R)
• M7: 3,215,606 km (0.113 R)
• M8: 3,684,895 km (0.054 R)
• M9: 4,057,842 km (0.101 R)
• M10: 4,474,772 km (0.042 R)
• M11: 6,176,746 km (0.07 R)
• M12: 6,582,905 km (0.117 R)
• M13: 7,965,039 km (0.117 R)
• M14: 8,978,266 km (0.11 R)
• M15: 9,375,747 km (0.051 R)
• M16: 10,042,804 km (0.082 R)
• M17: 10,504,912 km (0.111 R)
• M18: 12,160,961 km (0.106 R)
• M19: 12,762,643 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.2

Radius: 6.2

Gravity: 22.77 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.34 AU - 10.66 AU

Year: 21828 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,656,371 km

• M1: 77,342 km (0.104 R)
• M2: 311,912 km (0.111 R)
• M3: 570,267 km (0.028 R)
• M4: 898,485 km (0.086 R)
• M5: 1,363,136 km (0.1 R)
• M6: 4,329,213 km (0.088 R)
• M7: 5,028,433 km (0.095 R)
• M8: 7,176,060 km (0.098 R)
• M9: 7,576,833 km (0.088 R)
• M10: 7,782,829 km (0.113 R)
• M11: 11,745,078 km (0.116 R)
• M12: 12,231,122 km (0.118 R)
• M13: 12,514,909 km (0.055 R)
• M14: 16,101,219 km (0.073 R)
• M15: 18,870,724 km (0.073 R)
• M16: 38,010,126 km (0.073 R)
• M17: 41,893,837 km (0.115 R)
• M18: 45,185,139 km (0.111 R)
• M19: 50,802,838 km (0.118 R)
• M20: 55,890,662 km (0.072 R)
• M21: 74,812,998 km (0.119 R)
• M22: 75,762,046 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.1

Radius: 7.2

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.61 AU - 11.45 AU

Year: 21926 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,656,371 km

• M1: 99,632 km (0.116 R)
• M2: 395,986 km (0.106 R)
• M3: 805,285 km (0.077 R)
• M4: 1,130,661 km (0.114 R)
• M5: 2,999,886 km (0.104 R)
• M6: 4,015,506 km (0.116 R)
• M7: 5,204,360 km (0.077 R)
• M8: 6,658,152 km (0.094 R)
• M9: 7,783,278 km (0.106 R)
• M10: 12,828,466 km (0.117 R)
• M11: 13,192,438 km (0.048 R)
• M12: 13,638,239 km (0.088 R)
• M13: 16,187,387 km (0.106 R)
• M14: 16,871,199 km (0.102 R)
• M15: 17,220,211 km (0.083 R)
• M16: 18,757,479 km (0.095 R)
• M17: 19,511,601 km (0.086 R)
• M18: 23,372,124 km (0.095 R)
• M19: 25,366,713 km (0.05 R)
• M20: 26,876,005 km (0.083 R)
• M21: 28,199,049 km (0.114 R)
• M22: 29,817,997 km (0.11 R)
• M23: 38,849,969 km (0.114 R)
• M24: 39,612,020 km (0.078 R)
• M25: 42,598,592 km (0.1 R)
• M26: 43,083,439 km (0.097 R)
• M27: 52,268,150 km (0.053 R)
• M28: 56,435,498 km (0.049 R)
• M29: 62,675,973 km (0.114 R)
• M30: 64,996,236 km (0.095 R)
• M31: 66,069,750 km (0.113 R)
• M32: 69,138,152 km (0.059 R)
• M33: 71,159,967 km (0.104 R)
• M34: 72,759,617 km (0.091 R)
• M35: 75,793,612 km (0.081 R)
• M36: 77,461,777 km (0.111 R)
• M37: 85,399,889 km (0.16 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 13,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit