🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.2

Radius: 11.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.49 AU - 1.53 AU

Year: 1217 Days

Day: 9.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,108,081 km

• M1: 152,291 km (0.071 R)
• M2: 789,129 km (0.09 R)
• M3: 1,400,386 km (0.109 R)
• M4: 1,909,168 km (0.11 R)
• M5: 2,282,116 km (0.086 R)
• M6: 3,318,829 km (0.115 R)
• M7: 3,708,681 km (0.062 R)
• M8: 4,630,054 km (0.037 R)
• M9: 5,295,465 km (0.108 R)
• M10: 5,849,875 km (0.074 R)
• M11: 6,669,821 km (0.045 R)
• M12: 7,075,082 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.7

Radius: 14.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.21 AU - 2.01 AU

Year: 1340 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,108,081 km

• M1: 184,005 km (0.064 R)
• M2: 1,737,130 km (0.05 R)
• M3: 2,795,685 km (0.111 R)
• M4: 3,675,470 km (0.118 R)
• M5: 4,297,348 km (0.047 R)
• M6: 5,146,466 km (0.089 R)
• M7: 5,677,688 km (0.05 R)
• M8: 7,157,660 km (0.053 R)
• M9: 8,205,593 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 9.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.63 AU - 4.21 AU

Year: 4149 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,108,081 km

• M1: 116,387 km (0.103 R)
• M2: 446,998 km (0.065 R)
• M3: 916,586 km (0.109 R)
• M4: 1,273,527 km (0.078 R)
• M5: 1,838,408 km (0.062 R)
• M6: 2,416,454 km (0.11 R)
• M7: 2,999,288 km (0.092 R)
• M8: 3,651,834 km (0.068 R)
• M9: 4,183,654 km (0.083 R)
• M10: 4,517,257 km (0.074 R)
• M11: 5,769,391 km (0.05 R)
• M12: 6,809,845 km (0.055 R)
• M13: 7,581,620 km (0.109 R)
• M14: 7,970,724 km (0.062 R)
• M15: 9,139,682 km (0.102 R)
• M16: 10,035,923 km (0.101 R)
• M17: 11,673,870 km (0.102 R)
• M18: 12,097,980 km (0.11 R)
• M19: 13,177,628 km (0.107 R)
• M20: 13,845,133 km (0.12 R)
• M21: 14,160,785 km (0.072 R)
• M22: 15,584,358 km (0.112 R)
• M23: 17,464,504 km (0.06 R)
• M24: 19,294,834 km (0.066 R)
• M25: 20,021,431 km (0.101 R)
• M26: 22,599,601 km (0.053 R)
• M27: 24,923,903 km (0.071 R)
• M28: 25,234,917 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 8.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.39 AU - 5.21 AU

Year: 5849 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,108,081 km

• M1: 103,223 km (0.106 R)
• M2: 567,874 km (0.071 R)
• M3: 929,900 km (0.064 R)
• M4: 1,273,826 km (0.108 R)
• M5: 2,149,572 km (0.092 R)
• M6: 3,419,807 km (0.109 R)
• M7: 4,020,144 km (0.045 R)
• M8: 4,971,287 km (0.118 R)
• M9: 5,683,971 km (0.093 R)
• M10: 6,064,997 km (0.054 R)
• M11: 6,620,603 km (0.111 R)
• M12: 6,943,735 km (0.041 R)
• M13: 8,012,911 km (0.102 R)
• M14: 9,347,773 km (0.105 R)
• M15: 11,735,504 km (0.108 R)
• M16: 13,297,605 km (0.086 R)
• M17: 13,760,760 km (0.063 R)
• M18: 14,993,596 km (0.093 R)
• M19: 15,836,131 km (0.044 R)
• M20: 16,591,750 km (0.108 R)
• M21: 18,745,212 km (0.073 R)
• M22: 21,009,226 km (0.12 R)
• M23: 23,300,916 km (0.051 R)
• M24: 26,474,186 km (0.082 R)
• M25: 27,043,405 km (0.112 R)
• M26: 27,620,704 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.4

Radius: 4

Gravity: 44.28 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.31 AU - 7.43 AU

Year: 13125 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,108,081 km

• M1: 77,342 km (0.073 R)
• M2: 202,256 km (0.086 R)
• M3: 330,013 km (0.058 R)
• M4: 587,471 km (0.116 R)
• M5: 728,841 km (0.106 R)
• M6: 978,819 km (0.082 R)
• M7: 1,192,445 km (0.094 R)
• M8: 1,324,240 km (0.096 R)
• M9: 1,916,798 km (0.09 R)
• M10: 2,136,258 km (0.113 R)
• M11: 2,311,586 km (0.109 R)
• M12: 2,990,611 km (0.1 R)
• M13: 3,185,537 km (0.084 R)
• M14: 4,475,220 km (0.036 R)
• M15: 4,698,121 km (0.093 R)
• M16: 6,964,230 km (0.06 R)
• M17: 7,091,537 km (0.104 R)
• M18: 7,220,341 km (0.057 R)
• M19: 7,482,586 km (0.087 R)
• M20: 9,604,183 km (0.111 R)
• M21: 11,495,250 km (0.034 R)
• M22: 11,673,122 km (0.088 R)
• M23: 12,970,285 km (0.114 R)
• M24: 15,701,493 km (0.088 R)
• M25: 17,511,478 km (0.101 R)
• M26: 18,305,095 km (0.107 R)
• M27: 19,793,593 km (0.067 R)
• M28: 20,480,248 km (0.026 R)
• M29: 25,335,297 km (0.112 R)
• M30: 25,535,908 km (0.042 R)
• M31: 26,555,268 km (0.064 R)
• M32: 26,970,551 km (0.086 R)
• M33: 35,704,823 km (0.055 R)
• M34: 36,849,396 km (0.095 R)
• M35: 37,236,406 km (0.082 R)
• M36: 37,625,959 km (0.075 R)
• M37: 38,678,230 km (0.059 R)
• M38: 38,944,365 km (0.095 R)
• M39: 56,725,867 km (0.088 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: 316 - 18,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit