🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 11.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,889,265 km

• M1: 139,276 km (0.101 R)
• M2: 618,737 km (0.088 R)
• M3: 1,096,253 km (0.116 R)
• M4: 1,530,087 km (0.091 R)
• M5: 2,096,016 km (0.116 R)
• M6: 2,765,317 km (0.12 R)
• M7: 3,150,681 km (0.081 R)
• M8: 3,559,083 km (0.065 R)
• M9: 3,974,965 km (0.1 R)
• M10: 4,529,076 km (0.095 R)
• M11: 5,404,672 km (0.056 R)
• M12: 5,792,280 km (0.119 R)
• M13: 6,293,582 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 10.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.47 AU - 1.81 AU

Year: 1424 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,889,265 km

• M1: 128,654 km (0.026 R)
• M2: 467,045 km (0.086 R)
• M3: 846,724 km (0.107 R)
• M4: 1,716,935 km (0.094 R)
• M5: 2,399,699 km (0.103 R)
• M6: 3,042,073 km (0.03 R)
• M7: 3,493,260 km (0.096 R)
• M8: 3,900,016 km (0.084 R)
• M9: 4,628,857 km (0.072 R)
• M10: 5,142,277 km (0.037 R)
• M11: 5,693,246 km (0.077 R)
• M12: 6,018,622 km (0.069 R)
• M13: 6,991,606 km (0.035 R)
• M14: 7,419,905 km (0.114 R)
• M15: 7,780,735 km (0.064 R)
• M16: 8,537,700 km (0.081 R)
• M17: 8,965,251 km (0.117 R)
• M18: 11,725,780 km (0.053 R)
• M19: 12,254,609 km (0.101 R)
• M20: 12,838,788 km (0.077 R)
• M21: 14,062,798 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 8.3

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.41 AU - 3.13 AU

Year: 3127 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,889,265 km

• M1: 103,223 km (0.119 R)
• M2: 403,316 km (0.088 R)
• M3: 877,691 km (0.103 R)
• M4: 1,318,406 km (0.065 R)
• M5: 2,824,408 km (0.115 R)
• M6: 3,320,325 km (0.102 R)
• M7: 3,810,856 km (0.072 R)
• M8: 5,110,562 km (0.049 R)
• M9: 5,710,899 km (0.072 R)
• M10: 6,989,362 km (0.12 R)
• M11: 8,100,426 km (0.075 R)
• M12: 8,590,658 km (0.09 R)
• M13: 10,668,871 km (0.094 R)
• M14: 12,409,592 km (0.03 R)
• M15: 13,932,349 km (0.117 R)
• M16: 14,483,318 km (0.097 R)
• M17: 15,522,574 km (0.109 R)
• M18: 16,114,832 km (0.077 R)
• M19: 17,401,823 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 9.4

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.83 AU - 6.19 AU

Year: 7606 Days

Day: 12.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,889,265 km

• M1: 116,836 km (0.079 R)
• M2: 460,462 km (0.042 R)
• M3: 802,293 km (0.048 R)
• M4: 1,494,782 km (0.105 R)
• M5: 2,641,300 km (0.077 R)
• M6: 3,101,762 km (0.063 R)
• M7: 3,918,417 km (0.048 R)
• M8: 5,211,242 km (0.089 R)
• M9: 5,599,747 km (0.095 R)
• M10: 5,903,581 km (0.104 R)
• M11: 6,434,803 km (0.066 R)
• M12: 8,350,703 km (0.102 R)
• M13: 8,748,334 km (0.053 R)
• M14: 9,392,054 km (0.111 R)
• M15: 12,628,005 km (0.119 R)
• M16: 13,874,305 km (0.095 R)
• M17: 14,495,884 km (0.104 R)
• M18: 15,727,673 km (0.075 R)
• M19: 28,596,680 km (0.117 R)
• M20: 28,896,175 km (0.047 R)
• M21: 29,501,298 km (0.113 R)
• M22: 30,528,587 km (0.091 R)
• M23: 31,473,447 km (0.086 R)
• M24: 32,114,175 km (0.09 R)
• M25: 32,654,672 km (0.07 R)
• M26: 42,926,660 km (0.076 R)
• M27: 44,645,989 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.4

Radius: 4.1

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.77 AU - 8.77 AU

Year: 14690 Days

Day: 17.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,889,265 km

• M1: 51,013 km (0.108 R)
• M2: 233,073 km (0.104 R)
• M3: 501,003 km (0.081 R)
• M4: 665,711 km (0.065 R)
• M5: 1,117,496 km (0.082 R)
• M6: 1,521,560 km (0.092 R)
• M7: 1,856,360 km (0.113 R)
• M8: 2,274,037 km (0.095 R)
• M9: 2,611,680 km (0.091 R)
• M10: 3,625,953 km (0.06 R)
• M11: 5,060,148 km (0.108 R)
• M12: 7,374,427 km (0.099 R)
• M13: 14,934,206 km (0.093 R)
• M14: 15,513,150 km (0.101 R)
• M15: 15,775,245 km (0.068 R)
• M16: 17,764,298 km (0.085 R)
• M17: 17,979,121 km (0.026 R)
• M18: 19,608,092 km (0.06 R)
• M19: 20,458,257 km (0.099 R)
• M20: 20,615,484 km (0.056 R)
• M21: 25,989,339 km (0.036 R)
• M22: 26,732,242 km (0.118 R)
• M23: 31,176,047 km (0.11 R)
• M24: 32,545,914 km (0.104 R)
• M25: 33,626,609 km (0.046 R)
• M26: 36,779,385 km (0.12 R)
• M27: 40,865,800 km (0.073 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 15,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit