🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 10.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.87 AU - 0.91 AU

Year: 560 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,712,999 km

• M1: 133,142 km (0.088 R)
• M2: 476,619 km (0.084 R)
• M3: 856,448 km (0.101 R)
• M4: 1,383,032 km (0.115 R)
• M5: 1,755,082 km (0.12 R)
• M6: 2,092,725 km (0.057 R)
• M7: 2,737,342 km (0.11 R)
• M8: 3,252,557 km (0.071 R)
• M9: 3,742,939 km (0.08 R)
• M10: 4,650,699 km (0.096 R)
• M11: 5,435,489 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 12.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.72 AU - 1.18 AU

Year: 617 Days

Day: 6.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,712,999 km

• M1: 159,023 km (0.111 R)
• M2: 590,912 km (0.118 R)
• M3: 1,470,098 km (0.082 R)
• M4: 2,053,380 km (0.062 R)
• M5: 2,525,362 km (0.101 R)
• M6: 3,048,954 km (0.112 R)
• M7: 4,046,174 km (0.111 R)
• M8: 4,867,316 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 8.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.07 AU - 1.61 AU

Year: 1034 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,712,999 km

• M1: 117,734 km (0.11 R)
• M2: 400,773 km (0.045 R)
• M3: 791,223 km (0.117 R)
• M4: 1,127,220 km (0.088 R)
• M5: 1,496,727 km (0.08 R)
• M6: 1,852,470 km (0.119 R)
• M7: 2,183,680 km (0.09 R)
• M8: 3,086,802 km (0.091 R)
• M9: 3,772,410 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.8

Radius: 3.2

Gravity: 87.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.62 AU - 10.32 AU

Year: 17915 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,712,999 km

• M1: 41,738 km (0.04 R)
• M2: 157,527 km (0.082 R)
• M3: 413,489 km (0.107 R)
• M4: 546,032 km (0.039 R)
• M5: 809,324 km (0.113 R)
• M6: 945,459 km (0.073 R)
• M7: 1,206,507 km (0.087 R)
• M8: 1,947,615 km (0.038 R)
• M9: 2,068,191 km (0.075 R)
• M10: 4,458,017 km (0.111 R)
• M11: 5,298,158 km (0.084 R)
• M12: 6,238,530 km (0.074 R)
• M13: 7,048,004 km (0.11 R)
• M14: 7,332,689 km (0.06 R)
• M15: 8,026,823 km (0.048 R)
• M16: 8,442,556 km (0.113 R)
• M17: 11,631,683 km (0.094 R)
• M18: 14,758,578 km (0.068 R)
• M19: 16,513,511 km (0.071 R)
• M20: 19,399,104 km (0.119 R)
• M21: 23,639,904 km (0.113 R)
• M22: 27,867,540 km (0.096 R)
• M23: 28,817,487 km (0.11 R)
• M24: 33,095,986 km (0.103 R)
• M25: 35,111,069 km (0.051 R)
• M26: 39,235,931 km (0.064 R)
• M27: 50,322,929 km (0.1 R)
• M28: 53,342,711 km (0.096 R)
• M29: 59,740,114 km (0.114 R)
• M30: 66,629,994 km (0.1 R)
• M31: 71,799,797 km (0.12 R)
• M32: 74,708,578 km (0.182 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 6.6

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.03 AU - 13.38 AU

Year: 23340 Days

Day: 21.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 156.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,712,999 km

• M1: 82,129 km (0.027 R)
• M2: 330,910 km (0.084 R)
• M3: 668,852 km (0.081 R)
• M4: 898,485 km (0.115 R)
• M5: 1,407,566 km (0.104 R)
• M6: 2,158,099 km (0.107 R)
• M7: 4,136,680 km (0.056 R)
• M8: 4,484,047 km (0.109 R)
• M9: 8,933,087 km (0.106 R)
• M10: 12,091,248 km (0.053 R)
• M11: 12,801,688 km (0.049 R)
• M12: 17,569,821 km (0.093 R)
• M13: 17,839,696 km (0.046 R)
• M14: 20,100,120 km (0.115 R)
• M15: 21,503,198 km (0.068 R)
• M16: 22,863,491 km (0.05 R)
• M17: 27,892,523 km (0.063 R)
• M18: 29,508,479 km (0.119 R)
• M19: 35,012,933 km (0.116 R)
• M20: 37,780,942 km (0.042 R)
• M21: 52,702,133 km (0.111 R)
• M22: 55,165,262 km (0.091 R)
• M23: 56,522,863 km (0.08 R)
• M24: 58,101,569 km (0.114 R)
• M25: 70,662,554 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.2

Radius: 6.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.62 AU - 11.1 AU

Year: 23866 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,712,999 km

• M1: 83,775 km (0.061 R)
• M2: 661,971 km (0.12 R)
• M3: 926,310 km (0.092 R)
• M4: 1,658,592 km (0.031 R)
• M5: 1,887,327 km (0.054 R)
• M6: 4,101,674 km (0.081 R)
• M7: 4,617,338 km (0.092 R)
• M8: 10,905,386 km (0.065 R)
• M9: 19,012,094 km (0.084 R)
• M10: 23,878,513 km (0.106 R)
• M11: 26,750,792 km (0.064 R)
• M12: 30,067,377 km (0.112 R)
• M13: 37,761,195 km (0.025 R)
• M14: 48,330,135 km (0.027 R)
• M15: 55,532,076 km (0.092 R)
• M16: 56,373,863 km (0.025 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 14,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit