🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 12.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.95 AU - 0.97 AU

Year: 607 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,530,661 km

• M1: 158,574 km (0.098 R)
• M2: 625,917 km (0.087 R)
• M3: 1,096,852 km (0.079 R)
• M4: 2,063,403 km (0.1 R)
• M5: 2,744,074 km (0.033 R)
• M6: 3,499,393 km (0.085 R)
• M7: 4,094,494 km (0.11 R)
• M8: 5,143,624 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 10.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.48 AU - 2.08 AU

Year: 1533 Days

Day: 12.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,530,661 km

• M1: 126,111 km (0.092 R)
• M2: 475,123 km (0.109 R)
• M3: 798,703 km (0.078 R)
• M4: 1,206,956 km (0.115 R)
• M5: 1,543,401 km (0.035 R)
• M6: 1,894,507 km (0.069 R)
• M7: 2,587,445 km (0.094 R)
• M8: 2,987,619 km (0.039 R)
• M9: 3,653,030 km (0.077 R)
• M10: 4,328,016 km (0.073 R)
• M11: 4,894,992 km (0.088 R)
• M12: 5,310,874 km (0.109 R)
• M13: 5,961,176 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 14.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.59 AU - 3.91 AU

Year: 3783 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,530,661 km

• M1: 184,005 km (0.069 R)
• M2: 682,615 km (0.084 R)
• M3: 1,336,358 km (0.114 R)
• M4: 1,976,337 km (0.068 R)
• M5: 2,831,588 km (0.062 R)
• M6: 4,190,386 km (0.082 R)
• M7: 4,883,622 km (0.111 R)
• M8: 6,232,846 km (0.082 R)
• M9: 7,378,466 km (0.101 R)
• M10: 8,073,348 km (0.056 R)
• M11: 9,244,400 km (0.08 R)
• M12: 10,457,490 km (0.053 R)
• M13: 12,415,277 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 10

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.37 AU - 3.79 AU

Year: 4374 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 148.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,530,661 km

• M1: 130,599 km (0.089 R)
• M2: 537,356 km (0.1 R)
• M3: 853,306 km (0.119 R)
• M4: 1,170,005 km (0.115 R)
• M5: 1,738,926 km (0.041 R)
• M6: 3,042,671 km (0.079 R)
• M7: 3,764,481 km (0.095 R)
• M8: 4,079,384 km (0.025 R)
• M9: 4,690,940 km (0.093 R)
• M10: 5,653,902 km (0.113 R)
• M11: 6,562,709 km (0.09 R)
• M12: 7,210,169 km (0.086 R)
• M13: 7,765,027 km (0.052 R)
• M14: 8,454,075 km (0.1 R)
• M15: 10,892,520 km (0.062 R)
• M16: 11,492,258 km (0.109 R)
• M17: 14,013,581 km (0.08 R)
• M18: 14,774,735 km (0.111 R)
• M19: 15,139,305 km (0.119 R)
• M20: 16,213,866 km (0.106 R)
• M21: 17,396,288 km (0.111 R)
• M22: 17,978,971 km (0.115 R)
• M23: 21,024,934 km (0.116 R)
• M24: 22,635,355 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 9.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.07 AU - 4.23 AU

Year: 5459 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,530,661 km

• M1: 115,639 km (0.093 R)
• M2: 679,025 km (0.107 R)
• M3: 1,044,792 km (0.068 R)
• M4: 1,357,152 km (0.115 R)
• M5: 1,675,047 km (0.105 R)
• M6: 2,003,863 km (0.115 R)
• M7: 2,843,257 km (0.111 R)
• M8: 3,170,278 km (0.067 R)
• M9: 3,879,970 km (0.12 R)
• M10: 4,715,325 km (0.049 R)
• M11: 5,251,184 km (0.1 R)
• M12: 5,560,254 km (0.082 R)
• M13: 7,074,035 km (0.08 R)
• M14: 8,666,504 km (0.072 R)
• M15: 9,891,710 km (0.098 R)
• M16: 10,444,923 km (0.075 R)
• M17: 11,144,293 km (0.097 R)
• M18: 11,526,965 km (0.073 R)
• M19: 12,229,028 km (0.106 R)
• M20: 12,912,839 km (0.111 R)
• M21: 13,961,520 km (0.111 R)
• M22: 14,861,052 km (0.078 R)
• M23: 15,958,652 km (0.066 R)
• M24: 16,390,691 km (0.083 R)
• M25: 20,447,635 km (0.115 R)
• M26: 21,280,447 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.8

Radius: 6

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.15 AU - 8.03 AU

Year: 10923 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,530,661 km

• M1: 74,649 km (0.098 R)
• M2: 366,814 km (0.092 R)
• M3: 749,785 km (0.105 R)
• M4: 1,022,202 km (0.061 R)
• M5: 1,817,315 km (0.082 R)
• M6: 2,200,884 km (0.05 R)
• M7: 2,700,391 km (0.114 R)
• M8: 3,653,180 km (0.092 R)
• M9: 4,471,780 km (0.078 R)
• M10: 6,197,840 km (0.111 R)
• M11: 8,745,492 km (0.063 R)
• M12: 9,327,726 km (0.085 R)
• M13: 13,375,246 km (0.085 R)
• M14: 15,850,792 km (0.111 R)
• M15: 19,496,043 km (0.056 R)
• M16: 20,825,370 km (0.07 R)
• M17: 23,387,084 km (0.119 R)
• M18: 26,449,053 km (0.115 R)
• M19: 27,254,338 km (0.055 R)
• M20: 29,768,181 km (0.086 R)
• M21: 33,122,465 km (0.045 R)
• M22: 37,848,560 km (0.09 R)
• M23: 38,357,193 km (0.097 R)
• M24: 40,173,760 km (0.032 R)
• M25: 51,509,539 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.5

Radius: 6.4

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.22 AU - 8.5 AU

Year: 11601 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,530,661 km

• M1: 96,491 km (0.103 R)
• M2: 436,227 km (0.081 R)
• M3: 1,153,100 km (0.116 R)
• M4: 1,617,003 km (0.068 R)
• M5: 2,127,731 km (0.091 R)
• M6: 4,570,514 km (0.091 R)
• M7: 5,187,605 km (0.102 R)
• M8: 7,413,921 km (0.101 R)
• M9: 8,352,797 km (0.041 R)
• M10: 11,810,154 km (0.072 R)
• M11: 12,495,461 km (0.105 R)
• M12: 16,255,454 km (0.077 R)
• M13: 16,888,403 km (0.093 R)
• M14: 17,464,654 km (0.1 R)
• M15: 20,060,775 km (0.091 R)
• M16: 21,035,256 km (0.092 R)
• M17: 22,041,002 km (0.104 R)
• M18: 22,990,650 km (0.115 R)
• M19: 25,156,976 km (0.11 R)
• M20: 27,851,982 km (0.074 R)
• M21: 30,521,406 km (0.086 R)
• M22: 33,132,338 km (0.108 R)
• M23: 36,840,271 km (0.094 R)
• M24: 38,546,135 km (0.106 R)
• M25: 39,544,103 km (0.048 R)
• M26: 44,657,059 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.8

Radius: 5.7

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.77 AU - 8.93 AU

Year: 12866 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,530,661 km

• M1: 70,909 km (0.095 R)
• M2: 258,804 km (0.064 R)
• M3: 684,859 km (0.118 R)
• M4: 878,439 km (0.084 R)
• M5: 1,392,906 km (0.09 R)
• M6: 1,755,531 km (0.107 R)
• M7: 2,271,644 km (0.102 R)
• M8: 2,544,809 km (0.039 R)
• M9: 2,928,079 km (0.106 R)
• M10: 3,677,415 km (0.111 R)
• M11: 4,824,083 km (0.044 R)
• M12: 5,079,147 km (0.053 R)
• M13: 5,934,996 km (0.047 R)
• M14: 6,569,441 km (0.075 R)
• M15: 7,043,816 km (0.064 R)
• M16: 7,841,172 km (0.095 R)
• M17: 8,932,489 km (0.064 R)
• M18: 10,807,549 km (0.099 R)
• M19: 11,189,622 km (0.087 R)
• M20: 12,272,261 km (0.099 R)
• M21: 14,446,367 km (0.106 R)
• M22: 15,589,594 km (0.104 R)
• M23: 18,904,833 km (0.114 R)
• M24: 21,104,220 km (0.116 R)
• M25: 21,960,219 km (0.045 R)
• M26: 23,559,121 km (0.053 R)
• M27: 25,424,906 km (0.088 R)
• M28: 27,186,271 km (0.101 R)
• M29: 29,132,241 km (0.042 R)
• M30: 31,609,581 km (0.115 R)
• M31: 42,789,629 km (0.111 R)
• M32: 45,839,929 km (0.084 R)
• M33: 46,839,991 km (0.062 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: 403 - 16,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit