🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 12.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,965,661 km

• M1: 155,432 km (0.099 R)
• M2: 705,952 km (0.112 R)
• M3: 1,102,836 km (0.106 R)
• M4: 1,735,186 km (0.114 R)
• M5: 2,256,534 km (0.115 R)
• M6: 2,645,788 km (0.099 R)
• M7: 3,267,367 km (0.053 R)
• M8: 3,746,230 km (0.118 R)
• M9: 4,506,337 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 12.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.62 AU

Year: 269 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,965,661 km

• M1: 157,975 km (0.084 R)
• M2: 567,126 km (0.1 R)
• M3: 1,159,832 km (0.103 R)
• M4: 1,986,510 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 9.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,965,661 km

• M1: 119,379 km (0.107 R)
• M2: 438,920 km (0.098 R)
• M3: 840,142 km (0.073 R)
• M4: 1,200,822 km (0.042 R)
• M5: 1,511,686 km (0.095 R)
• M6: 1,885,083 km (0.028 R)
• M7: 2,478,986 km (0.079 R)
• M8: 3,136,319 km (0.105 R)
• M9: 3,762,985 km (0.111 R)
• M10: 4,271,917 km (0.111 R)
• M11: 4,660,871 km (0.065 R)
• M12: 5,560,553 km (0.079 R)
• M13: 5,954,743 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 12.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.21 AU - 2.53 AU

Year: 2475 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,965,661 km

• M1: 164,558 km (0.068 R)
• M2: 600,635 km (0.088 R)
• M3: 1,139,188 km (0.064 R)
• M4: 1,606,980 km (0.111 R)
• M5: 2,030,342 km (0.111 R)
• M6: 2,438,296 km (0.05 R)
• M7: 3,201,245 km (0.12 R)
• M8: 3,989,925 km (0.096 R)
• M9: 4,420,916 km (0.074 R)
• M10: 4,883,174 km (0.116 R)
• M11: 5,718,079 km (0.085 R)
• M12: 7,447,281 km (0.065 R)
• M13: 9,371,858 km (0.084 R)
• M14: 10,345,291 km (0.081 R)
• M15: 10,874,568 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 9.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.38 AU - 3.7 AU

Year: 4517 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,965,661 km

• M1: 118,332 km (0.094 R)
• M2: 445,203 km (0.063 R)
• M3: 742,005 km (0.059 R)
• M4: 1,179,130 km (0.102 R)
• M5: 1,672,355 km (0.049 R)
• M6: 4,526,981 km (0.098 R)
• M7: 5,459,724 km (0.094 R)
• M8: 5,855,111 km (0.117 R)
• M9: 6,269,796 km (0.038 R)
• M10: 6,735,644 km (0.085 R)
• M11: 7,494,554 km (0.05 R)
• M12: 8,309,563 km (0.085 R)
• M13: 8,987,690 km (0.043 R)
• M14: 10,844,350 km (0.051 R)
• M15: 11,516,493 km (0.045 R)
• M16: 13,751,335 km (0.104 R)
• M17: 16,260,690 km (0.112 R)
• M18: 19,060,564 km (0.111 R)
• M19: 19,840,717 km (0.057 R)
• M20: 21,119,330 km (0.095 R)
• M21: 23,617,016 km (0.101 R)
• M22: 25,752,077 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.2

Radius: 4.4

Gravity: 49.91 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.72 AU - 7.08 AU

Year: 12293 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,965,661 km

• M1: 54,753 km (0.088 R)
• M2: 196,422 km (0.112 R)
• M3: 432,487 km (0.091 R)
• M4: 577,897 km (0.085 R)
• M5: 1,281,306 km (0.1 R)
• M6: 1,605,036 km (0.097 R)
• M7: 1,926,671 km (0.114 R)
• M8: 2,371,874 km (0.118 R)
• M9: 3,517,345 km (0.114 R)
• M10: 3,654,826 km (0.06 R)
• M11: 9,922,378 km (0.07 R)
• M12: 10,365,038 km (0.111 R)
• M13: 11,408,782 km (0.028 R)
• M14: 16,211,622 km (0.03 R)
• M15: 22,772,985 km (0.107 R)
• M16: 26,474,634 km (0.104 R)
• M17: 28,855,335 km (0.112 R)
• M18: 31,729,559 km (0.079 R)
• M19: 34,037,405 km (0.119 R)
• M20: 36,846,704 km (0.1 R)
• M21: 42,921,275 km (0.048 R)
• M22: 53,400,007 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.7

Radius: 4.5

Gravity: 40.43 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.44 AU - 7.46 AU

Year: 13792 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,965,661 km

• M1: 70,909 km (0.049 R)
• M2: 225,145 km (0.101 R)
• M3: 744,997 km (0.09 R)
• M4: 1,087,876 km (0.11 R)
• M5: 1,544,598 km (0.115 R)
• M6: 2,619,309 km (0.033 R)
• M7: 4,364,368 km (0.104 R)
• M8: 5,420,080 km (0.091 R)
• M9: 5,642,532 km (0.107 R)
• M10: 7,555,590 km (0.108 R)
• M11: 8,808,472 km (0.103 R)
• M12: 12,923,311 km (0.054 R)
• M13: 13,725,904 km (0.06 R)
• M14: 15,136,462 km (0.115 R)
• M15: 16,409,241 km (0.062 R)
• M16: 16,640,968 km (0.101 R)
• M17: 16,874,939 km (0.09 R)
• M18: 18,242,413 km (0.075 R)
• M19: 18,826,294 km (0.091 R)
• M20: 20,563,275 km (0.034 R)
• M21: 22,498,921 km (0.086 R)
• M22: 23,267,256 km (0.075 R)
• M23: 23,462,032 km (0.111 R)
• M24: 24,452,370 km (0.073 R)
• M25: 26,304,542 km (0.114 R)
• M26: 26,942,128 km (0.099 R)
• M27: 29,595,695 km (0.099 R)
• M28: 30,054,212 km (0.113 R)
• M29: 31,103,342 km (0.114 R)
• M30: 39,830,433 km (0.113 R)
• M31: 41,237,401 km (0.071 R)
• M32: 50,056,644 km (0.088 R)
• M33: 52,025,801 km (0.058 R)
• M34: 54,730,830 km (0.1 R)
• M35: 59,869,965 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.2

Radius: 5.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.1 AU - 9.74 AU

Year: 16571 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,965,661 km

• M1: 73,303 km (0.104 R)
• M2: 266,135 km (0.105 R)
• M3: 463,005 km (0.113 R)
• M4: 1,060,200 km (0.104 R)
• M5: 1,255,575 km (0.094 R)
• M6: 1,797,269 km (0.073 R)
• M7: 2,522,968 km (0.047 R)
• M8: 3,602,167 km (0.049 R)
• M9: 4,022,088 km (0.098 R)
• M10: 4,474,024 km (0.043 R)
• M11: 4,896,638 km (0.093 R)
• M12: 6,214,894 km (0.112 R)
• M13: 7,134,771 km (0.091 R)
• M14: 10,280,665 km (0.038 R)
• M15: 17,904,172 km (0.096 R)
• M16: 20,718,856 km (0.037 R)
• M17: 23,279,074 km (0.038 R)
• M18: 23,905,441 km (0.084 R)
• M19: 29,326,568 km (0.066 R)
• M20: 29,742,450 km (0.112 R)
• M21: 31,337,313 km (0.067 R)
• M22: 32,988,126 km (0.046 R)
• M23: 35,630,922 km (0.118 R)
• M24: 36,342,858 km (0.112 R)
• M25: 38,659,830 km (0.072 R)
• M26: 40,045,256 km (0.098 R)
• M27: 42,781,550 km (0.072 R)
• M28: 43,585,639 km (0.117 R)
• M29: 46,058,342 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216

Radius: 3.5

Gravity: 17.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.47 AU - 10.79 AU

Year: 21868 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,965,661 km

• M1: 48,919 km (0.064 R)
• M2: 272,717 km (0.102 R)
• M3: 523,593 km (0.117 R)
• M4: 841,338 km (0.096 R)
• M5: 2,318,468 km (0.1 R)
• M6: 3,884,458 km (0.111 R)
• M7: 5,149,009 km (0.036 R)
• M8: 6,664,585 km (0.063 R)
• M9: 7,589,100 km (0.069 R)
• M10: 7,855,534 km (0.066 R)
• M11: 10,926,628 km (0.107 R)
• M12: 11,906,644 km (0.09 R)
• M13: 15,619,065 km (0.059 R)
• M14: 21,146,856 km (0.12 R)
• M15: 22,209,150 km (0.044 R)
• M16: 23,399,650 km (0.088 R)
• M17: 25,117,333 km (0.084 R)
• M18: 26,611,367 km (0.047 R)
• M19: 26,917,145 km (0.073 R)
• M20: 30,215,180 km (0.115 R)
• M21: 31,674,806 km (0.113 R)
• M22: 33,180,808 km (0.11 R)
• M23: 40,617,916 km (0.066 R)
• M24: 43,090,320 km (0.082 R)
• M25: 45,515,601 km (0.076 R)
• M26: 46,099,182 km (0.038 R)
• M27: 46,392,843 km (0.119 R)
• M28: 48,180,986 km (0.089 R)
• M29: 48,939,447 km (0.109 R)
• M30: 49,245,076 km (0.093 R)
• M31: 49,860,073 km (0.104 R)
• M32: 50,948,696 km (0.068 R)
• M33: 51,262,553 km (0.075 R)
• M34: 53,658,063 km (0.112 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: 295 - 10,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit