🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 9.3

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.92 AU

Year: 475 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,046,327 km

• M1: 115,789 km (0.118 R)
• M2: 405,111 km (0.12 R)
• M3: 830,567 km (0.083 R)
• M4: 1,219,223 km (0.103 R)
• M5: 1,511,836 km (0.107 R)
• M6: 1,974,094 km (0.114 R)
• M7: 2,411,667 km (0.116 R)
• M8: 2,710,713 km (0.119 R)
• M9: 3,068,552 km (0.109 R)
• M10: 3,409,036 km (0.078 R)
• M11: 4,096,887 km (0.09 R)
• M12: 4,452,182 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 10.1

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1 AU

Year: 561 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,046,327 km

• M1: 125,662 km (0.06 R)
• M2: 476,918 km (0.049 R)
• M3: 1,026,690 km (0.082 R)
• M4: 1,404,425 km (0.054 R)
• M5: 1,720,376 km (0.095 R)
• M6: 2,148,525 km (0.083 R)
• M7: 2,520,874 km (0.119 R)
• M8: 3,148,736 km (0.069 R)
• M9: 3,877,726 km (0.086 R)
• M10: 4,449,041 km (0.081 R)
• M11: 5,982,868 km (0.027 R)
• M12: 6,525,010 km (0.116 R)
• M13: 6,890,628 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.44 AU - 2.16 AU

Year: 1698 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,046,327 km

• M1: 184,005 km (0.086 R)
• M2: 752,926 km (0.074 R)
• M3: 1,281,904 km (0.103 R)
• M4: 1,908,719 km (0.101 R)
• M5: 3,011,555 km (0.066 R)
• M6: 4,052,906 km (0.032 R)
• M7: 4,872,851 km (0.1 R)
• M8: 12,116,829 km (0.084 R)

Asteroid Belt

Center: 3.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 11.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.33 AU - 6.11 AU

Year: 8383 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,046,327 km

• M1: 141,819 km (0.117 R)
• M2: 588,368 km (0.028 R)
• M3: 2,127,731 km (0.116 R)
• M4: 6,591,581 km (0.104 R)
• M5: 11,460,244 km (0.084 R)
• M6: 12,353,493 km (0.105 R)
• M7: 18,446,315 km (0.042 R)
• M8: 21,097,339 km (0.072 R)
• M9: 22,135,099 km (0.043 R)
• M10: 25,205,296 km (0.081 R)
• M11: 27,316,272 km (0.113 R)
• M12: 30,840,947 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 14

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.18 AU - 5.48 AU

Year: 8650 Days

Day: 5.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,046,327 km

• M1: 174,132 km (0.112 R)
• M2: 795,262 km (0.107 R)
• M3: 1,600,248 km (0.097 R)
• M4: 2,270,447 km (0.053 R)
• M5: 4,486,440 km (0.111 R)
• M6: 6,753,446 km (0.118 R)
• M7: 8,515,410 km (0.092 R)
• M8: 9,265,793 km (0.078 R)
• M9: 12,089,303 km (0.099 R)
• M10: 14,611,374 km (0.102 R)
• M11: 17,664,517 km (0.075 R)
• M12: 19,659,703 km (0.059 R)
• M13: 21,648,607 km (0.091 R)
• M14: 31,932,114 km (0.107 R)
• M15: 34,361,135 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.6

Radius: 7.5

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.35 AU - 6.45 AU

Year: 11381 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,046,327 km

• M1: 93,648 km (0.04 R)
• M2: 454,927 km (0.083 R)
• M3: 886,816 km (0.098 R)
• M4: 1,320,500 km (0.09 R)
• M5: 1,922,632 km (0.069 R)
• M6: 3,033,396 km (0.094 R)
• M7: 4,309,167 km (0.068 R)
• M8: 4,772,621 km (0.06 R)
• M9: 5,476,778 km (0.092 R)
• M10: 6,171,810 km (0.088 R)
• M11: 6,883,148 km (0.08 R)
• M12: 7,258,788 km (0.099 R)
• M13: 9,395,943 km (0.066 R)
• M14: 10,228,605 km (0.111 R)
• M15: 10,498,629 km (0.1 R)
• M16: 11,109,437 km (0.079 R)
• M17: 11,861,615 km (0.082 R)
• M18: 12,647,303 km (0.113 R)
• M19: 13,211,138 km (0.039 R)
• M20: 13,531,726 km (0.061 R)
• M21: 14,728,509 km (0.106 R)
• M22: 16,728,034 km (0.077 R)
• M23: 18,901,990 km (0.113 R)
• M24: 19,722,086 km (0.046 R)
• M25: 20,737,107 km (0.114 R)
• M26: 23,333,378 km (0.1 R)
• M27: 26,542,552 km (0.089 R)
• M28: 27,570,289 km (0.115 R)
• M29: 31,718,040 km (0.106 R)
• M30: 32,992,165 km (0.08 R)
• M31: 40,682,692 km (0.094 R)
• M32: 46,178,619 km (0.11 R)
• M33: 47,364,032 km (0.106 R)
• M34: 51,041,896 km (0.112 R)
• M35: 55,070,716 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.9

Radius: 7.5

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.58 AU - 9.78 AU

Year: 16445 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,046,327 km

• M1: 100,530 km (0.101 R)
• M2: 415,882 km (0.112 R)
• M3: 747,690 km (0.104 R)
• M4: 1,520,513 km (0.06 R)
• M5: 1,809,536 km (0.088 R)
• M6: 2,097,063 km (0.083 R)
• M7: 5,116,846 km (0.118 R)
• M8: 5,733,488 km (0.045 R)
• M9: 7,201,791 km (0.107 R)
• M10: 8,456,319 km (0.115 R)
• M11: 9,058,301 km (0.068 R)
• M12: 11,035,835 km (0.094 R)
• M13: 12,062,974 km (0.098 R)
• M14: 17,522,997 km (0.096 R)
• M15: 20,562,676 km (0.108 R)
• M16: 29,549,020 km (0.11 R)
• M17: 30,465,906 km (0.074 R)
• M18: 32,356,224 km (0.11 R)
• M19: 37,554,750 km (0.102 R)
• M20: 42,555,807 km (0.109 R)
• M21: 49,089,494 km (0.112 R)
• M22: 56,610,826 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.5

Radius: 6.1

Gravity: 26.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.78 AU - 10.32 AU

Year: 20745 Days

Day: 23.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,046,327 km

• M1: 77,043 km (0.088 R)
• M2: 302,038 km (0.067 R)
• M3: 492,925 km (0.068 R)
• M4: 867,518 km (0.081 R)
• M5: 1,104,930 km (0.105 R)
• M6: 2,221,379 km (0.102 R)
• M7: 2,427,375 km (0.098 R)
• M8: 3,095,778 km (0.045 R)
• M9: 3,295,043 km (0.072 R)
• M10: 3,783,330 km (0.097 R)
• M11: 8,307,918 km (0.053 R)
• M12: 12,373,988 km (0.114 R)
• M13: 15,277,982 km (0.048 R)
• M14: 16,975,020 km (0.049 R)
• M15: 17,507,738 km (0.112 R)
• M16: 18,793,831 km (0.11 R)
• M17: 22,813,974 km (0.112 R)
• M18: 23,245,116 km (0.109 R)
• M19: 23,462,631 km (0.096 R)
• M20: 25,946,255 km (0.077 R)
• M21: 26,415,842 km (0.078 R)
• M22: 27,614,720 km (0.083 R)
• M23: 28,475,207 km (0.088 R)
• M24: 29,991,830 km (0.09 R)
• M25: 31,164,079 km (0.113 R)
• M26: 33,322,776 km (0.115 R)
• M27: 34,438,627 km (0.11 R)
• M28: 35,723,672 km (0.026 R)
• M29: 41,024,673 km (0.084 R)
• M30: 44,110,877 km (0.092 R)
• M31: 49,293,246 km (0.037 R)
• M32: 53,152,871 km (0.118 R)
• M33: 59,211,436 km (0.062 R)
• M34: 61,675,163 km (0.111 R)
• M35: 61,883,553 km (0.102 R)
• M36: 79,374,985 km (0.068 R)
• M37: 85,951,905 km (0.149 R)
• M38: 87,782,684 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 14,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit