🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 13.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.94 AU - 1.3 AU

Year: 818 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,635,375 km

• M1: 173,085 km (0.076 R)
• M2: 610,808 km (0.052 R)
• M3: 1,135,897 km (0.066 R)
• M4: 1,657,245 km (0.075 R)
• M5: 2,144,635 km (0.1 R)
• M6: 2,969,219 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.5

Radius: 10.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.15 AU - 1.75 AU

Year: 1205 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,635,375 km

• M1: 129,402 km (0.108 R)
• M2: 621,729 km (0.12 R)
• M3: 1,027,737 km (0.107 R)
• M4: 1,558,959 km (0.102 R)
• M5: 1,904,082 km (0.078 R)
• M6: 2,255,188 km (0.112 R)
• M7: 2,817,825 km (0.1 R)
• M8: 3,868,152 km (0.084 R)
• M9: 4,510,376 km (0.091 R)
• M10: 4,847,719 km (0.089 R)
• M11: 5,701,175 km (0.116 R)
• M12: 6,254,986 km (0.096 R)
• M13: 7,342,263 km (0.053 R)
• M14: 7,678,709 km (0.053 R)
• M15: 8,952,834 km (0.119 R)
• M16: 9,337,301 km (0.096 R)

Asteroid Belt

Center: 1.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 10

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.84 AU - 2.58 AU

Year: 2268 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,635,375 km

• M1: 125,064 km (0.111 R)
• M2: 484,248 km (0.077 R)
• M3: 1,003,652 km (0.061 R)
• M4: 1,445,115 km (0.074 R)
• M5: 2,013,887 km (0.038 R)
• M6: 2,786,260 km (0.063 R)
• M7: 3,182,545 km (0.102 R)
• M8: 3,914,378 km (0.081 R)
• M9: 4,269,523 km (0.102 R)
• M10: 5,022,150 km (0.051 R)
• M11: 6,168,967 km (0.114 R)
• M12: 6,624,044 km (0.062 R)
• M13: 7,044,265 km (0.105 R)
• M14: 8,252,118 km (0.101 R)
• M15: 8,772,270 km (0.082 R)
• M16: 10,315,671 km (0.072 R)
• M17: 11,626,597 km (0.102 R)
• M18: 14,529,843 km (0.086 R)
• M19: 15,531,101 km (0.075 R)
• M20: 16,173,774 km (0.056 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.4

Radius: 4.9

Gravity: 29.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.07 AU - 6.35 AU

Year: 10682 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,635,375 km

• M1: 60,886 km (0.08 R)
• M2: 237,861 km (0.075 R)
• M3: 434,582 km (0.047 R)
• M4: 886,816 km (0.102 R)
• M5: 1,476,830 km (0.083 R)
• M6: 1,790,986 km (0.118 R)
• M7: 2,240,378 km (0.047 R)
• M8: 2,740,035 km (0.119 R)
• M9: 3,458,852 km (0.078 R)
• M10: 3,794,999 km (0.108 R)
• M11: 4,777,109 km (0.101 R)
• M12: 5,327,031 km (0.052 R)
• M13: 5,918,092 km (0.046 R)
• M14: 6,323,203 km (0.084 R)
• M15: 6,590,385 km (0.118 R)
• M16: 7,106,647 km (0.118 R)
• M17: 8,041,185 km (0.036 R)
• M18: 8,537,999 km (0.074 R)
• M19: 9,345,529 km (0.065 R)
• M20: 9,592,515 km (0.118 R)
• M21: 9,843,689 km (0.05 R)
• M22: 9,996,579 km (0.075 R)
• M23: 11,056,479 km (0.05 R)
• M24: 13,459,470 km (0.106 R)
• M25: 15,355,324 km (0.081 R)
• M26: 18,950,909 km (0.082 R)
• M27: 20,650,041 km (0.114 R)
• M28: 22,097,849 km (0.032 R)
• M29: 23,069,936 km (0.106 R)
• M30: 23,249,753 km (0.096 R)
• M31: 27,344,396 km (0.119 R)
• M32: 31,012,536 km (0.046 R)
• M33: 34,877,248 km (0.108 R)
• M34: 40,339,215 km (0.065 R)
• M35: 40,993,706 km (0.092 R)
• M36: 43,545,696 km (0.037 R)
• M37: 49,708,231 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.5

Radius: 4.3

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.75 AU - 7.41 AU

Year: 11651 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,635,375 km

• M1: 66,272 km (0.107 R)
• M2: 317,895 km (0.092 R)
• M3: 911,649 km (0.107 R)
• M4: 1,293,722 km (0.087 R)
• M5: 1,626,727 km (0.046 R)
• M6: 2,404,487 km (0.094 R)
• M7: 3,081,417 km (0.094 R)
• M8: 4,831,413 km (0.12 R)
• M9: 5,171,150 km (0.11 R)
• M10: 5,460,771 km (0.093 R)
• M11: 6,358,209 km (0.087 R)
• M12: 7,799,135 km (0.103 R)
• M13: 8,440,761 km (0.071 R)
• M14: 10,272,587 km (0.068 R)
• M15: 11,414,766 km (0.115 R)
• M16: 12,016,449 km (0.071 R)
• M17: 13,582,439 km (0.119 R)
• M18: 13,764,500 km (0.072 R)
• M19: 14,009,691 km (0.027 R)
• M20: 14,762,767 km (0.088 R)
• M21: 16,281,035 km (0.108 R)
• M22: 18,936,846 km (0.078 R)
• M23: 19,623,800 km (0.099 R)
• M24: 23,137,106 km (0.096 R)
• M25: 23,571,089 km (0.049 R)
• M26: 31,588,338 km (0.092 R)
• M27: 36,377,864 km (0.111 R)
• M28: 38,036,007 km (0.116 R)
• M29: 39,128,071 km (0.112 R)
• M30: 41,374,582 km (0.082 R)
• M31: 41,757,254 km (0.079 R)
• M32: 43,969,956 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 11,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit