🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.6

Radius: 13.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 13.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,977,416 km

• M1: 164,109 km (0.087 R)
• M2: 629,508 km (0.088 R)
• M3: 1,084,884 km (0.063 R)
• M4: 1,537,268 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 14.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.96 AU - 1.36 AU

Year: 878 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,977,416 km

• M1: 176,675 km (0.045 R)
• M2: 728,542 km (0.109 R)
• M3: 1,199,476 km (0.11 R)
• M4: 1,891,964 km (0.063 R)
• M5: 2,353,773 km (0.05 R)
• M6: 2,892,026 km (0.036 R)
• M7: 3,917,071 km (0.079 R)
• M8: 4,985,648 km (0.109 R)
• M9: 6,457,990 km (0.119 R)
• M10: 8,307,918 km (0.119 R)
• M11: 8,814,307 km (0.085 R)
• M12: 9,284,792 km (0.079 R)

Asteroid Belt

Center: 2.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 10.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.24 AU - 5.06 AU

Year: 5943 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,977,416 km

• M1: 134,189 km (0.081 R)
• M2: 601,084 km (0.093 R)
• M3: 1,368,372 km (0.094 R)
• M4: 1,750,594 km (0.116 R)
• M5: 2,235,291 km (0.087 R)
• M6: 2,735,846 km (0.033 R)
• M7: 3,129,737 km (0.116 R)
• M8: 3,986,185 km (0.096 R)
• M9: 5,073,612 km (0.112 R)
• M10: 5,409,908 km (0.094 R)
• M11: 5,881,590 km (0.047 R)
• M12: 7,788,813 km (0.117 R)
• M13: 8,123,912 km (0.088 R)
• M14: 9,435,886 km (0.104 R)
• M15: 9,817,211 km (0.115 R)
• M16: 11,493,754 km (0.042 R)
• M17: 11,831,247 km (0.052 R)
• M18: 14,106,780 km (0.111 R)
• M19: 14,493,939 km (0.072 R)
• M20: 14,831,432 km (0.059 R)
• M21: 15,522,275 km (0.076 R)
• M22: 15,875,625 km (0.06 R)
• M23: 16,294,649 km (0.069 R)
• M24: 16,659,668 km (0.083 R)
• M25: 18,305,095 km (0.081 R)
• M26: 19,234,696 km (0.109 R)
• M27: 20,475,760 km (0.077 R)
• M28: 21,696,179 km (0.055 R)
• M29: 22,286,941 km (0.112 R)
• M30: 25,566,276 km (0.078 R)
• M31: 29,602,726 km (0.116 R)
• M32: 30,882,536 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.1

Radius: 7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.78 AU - 8.38 AU

Year: 14669 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,977,416 km

• M1: 87,365 km (0.088 R)
• M2: 345,721 km (0.082 R)
• M3: 604,974 km (0.111 R)
• M4: 1,197,082 km (0.092 R)
• M5: 1,708,258 km (0.089 R)
• M6: 3,529,612 km (0.087 R)
• M7: 4,934,935 km (0.103 R)
• M8: 5,436,087 km (0.072 R)
• M9: 6,068,438 km (0.04 R)
• M10: 8,020,540 km (0.088 R)
• M11: 9,356,449 km (0.077 R)
• M12: 12,676,176 km (0.066 R)
• M13: 20,459,454 km (0.114 R)
• M14: 20,683,102 km (0.081 R)
• M15: 22,769,544 km (0.108 R)
• M16: 24,152,875 km (0.079 R)
• M17: 30,635,998 km (0.114 R)
• M18: 35,333,371 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.9

Radius: 6.5

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.84 AU - 9.04 AU

Year: 18789 Days

Day: 19 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,977,416 km

• M1: 80,932 km (0.051 R)
• M2: 639,232 km (0.055 R)
• M3: 1,028,336 km (0.086 R)
• M4: 1,298,809 km (0.041 R)
• M5: 1,775,876 km (0.111 R)
• M6: 2,147,777 km (0.078 R)
• M7: 2,570,391 km (0.075 R)
• M8: 2,814,235 km (0.084 R)
• M9: 3,020,531 km (0.109 R)
• M10: 3,521,833 km (0.093 R)
• M11: 4,175,127 km (0.069 R)
• M12: 5,760,715 km (0.077 R)
• M13: 6,353,721 km (0.111 R)
• M14: 7,127,441 km (0.069 R)
• M15: 8,324,523 km (0.089 R)
• M16: 8,536,354 km (0.095 R)
• M17: 8,751,775 km (0.077 R)
• M18: 9,824,990 km (0.065 R)
• M19: 10,241,769 km (0.09 R)
• M20: 11,110,484 km (0.109 R)
• M21: 13,495,673 km (0.054 R)
• M22: 14,846,242 km (0.109 R)
• M23: 22,353,363 km (0.071 R)
• M24: 24,023,174 km (0.102 R)
• M25: 34,170,547 km (0.079 R)
• M26: 38,832,466 km (0.092 R)
• M27: 41,545,573 km (0.081 R)
• M28: 43,900,991 km (0.109 R)
• M29: 46,178,320 km (0.095 R)
• M30: 50,438,717 km (0.057 R)
• M31: 50,790,422 km (0.09 R)
• M32: 52,935,356 km (0.099 R)
• M33: 69,014,584 km (0.045 R)
• M34: 73,657,803 km (0.065 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: 323 - 14,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit