🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.6 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 12.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.03 AU - 3.35 AU

Year: 4005 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,120,808 km

• M1: 160,818 km (0.117 R)
• M2: 629,807 km (0.111 R)
• M3: 1,091,466 km (0.112 R)
• M4: 2,152,564 km (0.105 R)
• M5: 3,061,670 km (0.115 R)
• M6: 3,517,944 km (0.074 R)
• M7: 4,685,106 km (0.043 R)
• M8: 5,320,149 km (0.051 R)
• M9: 5,792,878 km (0.093 R)
• M10: 6,496,288 km (0.042 R)
• M11: 7,192,815 km (0.062 R)
• M12: 7,972,370 km (0.095 R)
• M13: 9,283,745 km (0.119 R)
• M14: 11,840,223 km (0.102 R)
• M15: 12,330,604 km (0.097 R)
• M16: 12,927,500 km (0.106 R)
• M17: 13,932,498 km (0.089 R)
• M18: 15,510,307 km (0.108 R)
• M19: 16,097,928 km (0.114 R)
• M20: 20,444,643 km (0.106 R)
• M21: 21,741,807 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 12.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.72 AU - 4.02 AU

Year: 5351 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,120,808 km

• M1: 159,172 km (0.084 R)
• M2: 663,167 km (0.071 R)
• M3: 1,154,596 km (0.071 R)
• M4: 1,969,306 km (0.071 R)
• M5: 2,375,913 km (0.112 R)
• M6: 2,805,409 km (0.033 R)
• M7: 4,304,230 km (0.049 R)
• M8: 4,824,681 km (0.078 R)
• M9: 5,229,493 km (0.103 R)
• M10: 6,021,464 km (0.116 R)
• M11: 7,674,371 km (0.098 R)
• M12: 8,478,908 km (0.066 R)
• M13: 9,416,438 km (0.081 R)
• M14: 10,929,321 km (0.094 R)
• M15: 12,131,490 km (0.112 R)
• M16: 17,713,884 km (0.103 R)
• M17: 21,127,408 km (0.047 R)
• M18: 22,635,953 km (0.119 R)
• M19: 23,130,823 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660

Radius: 5.5

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.36 AU - 7.14 AU

Year: 9692 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,120,808 km

• M1: 68,516 km (0.097 R)
• M2: 254,466 km (0.064 R)
• M3: 491,130 km (0.112 R)
• M4: 732,730 km (0.105 R)
• M5: 1,305,989 km (0.075 R)
• M6: 1,628,522 km (0.066 R)
• M7: 2,319,665 km (0.112 R)
• M8: 4,148,050 km (0.116 R)
• M9: 4,604,174 km (0.109 R)
• M10: 4,875,095 km (0.075 R)
• M11: 5,061,494 km (0.1 R)
• M12: 6,392,167 km (0.12 R)
• M13: 7,197,602 km (0.104 R)
• M14: 7,439,801 km (0.088 R)
• M15: 8,025,926 km (0.09 R)
• M16: 9,625,127 km (0.045 R)
• M17: 11,810,901 km (0.091 R)
• M18: 13,499,861 km (0.116 R)
• M19: 13,806,537 km (0.096 R)
• M20: 14,883,941 km (0.076 R)
• M21: 15,211,261 km (0.119 R)
• M22: 16,920,118 km (0.042 R)
• M23: 18,451,252 km (0.104 R)
• M24: 21,122,172 km (0.097 R)
• M25: 24,400,011 km (0.105 R)
• M26: 26,444,715 km (0.106 R)
• M27: 28,200,395 km (0.09 R)
• M28: 36,236,793 km (0.099 R)
• M29: 36,472,858 km (0.094 R)
• M30: 36,948,280 km (0.075 R)
• M31: 44,043,857 km (0.058 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 4.6

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.4 AU - 6.82 AU

Year: 10616 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,120,808 km

• M1: 59,390 km (0.116 R)
• M2: 252,820 km (0.082 R)
• M3: 429,944 km (0.093 R)
• M4: 713,432 km (0.1 R)
• M5: 1,071,719 km (0.11 R)
• M6: 1,327,083 km (0.117 R)
• M7: 2,070,883 km (0.115 R)
• M8: 2,289,595 km (0.088 R)
• M9: 3,741,892 km (0.07 R)
• M10: 4,329,512 km (0.108 R)
• M11: 5,369,217 km (0.103 R)
• M12: 5,947,114 km (0.108 R)
• M13: 6,601,006 km (0.044 R)
• M14: 7,187,729 km (0.071 R)
• M15: 7,416,464 km (0.111 R)
• M16: 9,470,592 km (0.082 R)
• M17: 10,215,889 km (0.057 R)
• M18: 11,100,162 km (0.087 R)
• M19: 11,457,402 km (0.091 R)
• M20: 11,875,079 km (0.07 R)
• M21: 12,357,083 km (0.081 R)
• M22: 13,189,147 km (0.106 R)
• M23: 15,973,013 km (0.088 R)
• M24: 17,570,120 km (0.045 R)
• M25: 17,846,278 km (0.114 R)
• M26: 18,620,597 km (0.106 R)
• M27: 20,692,377 km (0.071 R)
• M28: 25,639,130 km (0.117 R)
• M29: 28,956,014 km (0.111 R)
• M30: 29,148,248 km (0.091 R)
• M31: 30,122,130 km (0.11 R)
• M32: 33,701,857 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.7

Radius: 7.3

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.82 AU - 9.22 AU

Year: 14496 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,120,808 km

• M1: 112,049 km (0.085 R)
• M2: 714,779 km (0.114 R)
• M3: 1,003,503 km (0.03 R)
• M4: 1,383,332 km (0.114 R)
• M5: 1,994,738 km (0.095 R)
• M6: 2,293,036 km (0.086 R)
• M7: 2,841,312 km (0.076 R)
• M8: 3,605,608 km (0.116 R)
• M9: 3,851,248 km (0.11 R)
• M10: 5,184,464 km (0.084 R)
• M11: 5,714,639 km (0.116 R)
• M12: 6,718,440 km (0.061 R)
• M13: 6,966,025 km (0.099 R)
• M14: 7,567,259 km (0.118 R)
• M15: 8,109,701 km (0.096 R)
• M16: 10,376,856 km (0.031 R)
• M17: 11,333,535 km (0.043 R)
• M18: 11,863,261 km (0.107 R)
• M19: 13,551,473 km (0.112 R)
• M20: 14,215,538 km (0.072 R)
• M21: 15,608,593 km (0.103 R)
• M22: 16,937,920 km (0.082 R)
• M23: 21,733,878 km (0.095 R)
• M24: 23,294,483 km (0.082 R)
• M25: 24,343,314 km (0.094 R)
• M26: 25,723,204 km (0.079 R)
• M27: 26,330,272 km (0.104 R)
• M28: 27,783,915 km (0.032 R)
• M29: 28,746,128 km (0.051 R)
• M30: 30,063,338 km (0.098 R)
• M31: 32,817,883 km (0.119 R)
• M32: 34,134,793 km (0.091 R)
• M33: 43,208,802 km (0.079 R)
• M34: 44,789,602 km (0.076 R)
• M35: 47,006,942 km (0.105 R)
• M36: 51,979,725 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 18,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit