🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 14.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 11.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,047,682 km

• M1: 177,872 km (0.076 R)
• M2: 719,267 km (0.099 R)
• M3: 1,417,589 km (0.071 R)
• M4: 1,943,875 km (0.099 R)
• M5: 2,388,629 km (0.09 R)
• M6: 2,845,950 km (0.113 R)
• M7: 3,393,927 km (0.097 R)
• M8: 3,894,481 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.6

Radius: 11

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,047,682 km

• M1: 136,732 km (0.087 R)
• M2: 508,483 km (0.087 R)
• M3: 881,281 km (0.052 R)
• M4: 1,945,969 km (0.078 R)
• M5: 2,362,001 km (0.057 R)
• M6: 3,040,278 km (0.1 R)
• M7: 4,296,600 km (0.068 R)
• M8: 5,291,725 km (0.089 R)
• M9: 5,980,923 km (0.097 R)
• M10: 6,749,108 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 9.9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.83 AU - 0.89 AU

Year: 551 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,047,682 km

• M1: 123,119 km (0.069 R)
• M2: 443,558 km (0.119 R)
• M3: 860,038 km (0.096 R)
• M4: 1,373,308 km (0.054 R)
• M5: 1,887,028 km (0.104 R)
• M6: 2,360,654 km (0.059 R)
• M7: 2,730,610 km (0.118 R)
• M8: 3,200,796 km (0.113 R)
• M9: 3,628,646 km (0.113 R)
• M10: 4,050,662 km (0.077 R)
• M11: 5,866,630 km (0.081 R)
• M12: 7,113,678 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 13.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.54 AU - 1.74 AU

Year: 1450 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,047,682 km

• M1: 164,109 km (0.109 R)
• M2: 685,906 km (0.076 R)
• M3: 1,221,018 km (0.107 R)
• M4: 1,657,245 km (0.107 R)
• M5: 3,069,748 km (0.119 R)
• M6: 3,965,840 km (0.104 R)
• M7: 4,541,642 km (0.079 R)
• M8: 5,552,774 km (0.115 R)
• M9: 6,322,604 km (0.058 R)
• M10: 8,159,517 km (0.085 R)
• M11: 8,589,311 km (0.089 R)
• M12: 9,525,644 km (0.083 R)
• M13: 10,263,611 km (0.095 R)
• M14: 11,073,833 km (0.11 R)
• M15: 11,494,801 km (0.105 R)
• M16: 11,962,893 km (0.087 R)
• M17: 12,860,480 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 8.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.91 AU - 5.11 AU

Year: 6611 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,047,682 km

• M1: 104,419 km (0.1 R)
• M2: 454,179 km (0.046 R)
• M3: 855,550 km (0.034 R)
• M4: 1,333,665 km (0.106 R)
• M5: 1,757,326 km (0.117 R)
• M6: 2,313,980 km (0.094 R)
• M7: 2,701,289 km (0.098 R)
• M8: 2,983,281 km (0.047 R)
• M9: 3,648,542 km (0.079 R)
• M10: 4,432,884 km (0.08 R)
• M11: 6,455,298 km (0.052 R)
• M12: 9,181,719 km (0.083 R)
• M13: 11,195,755 km (0.091 R)
• M14: 11,695,711 km (0.097 R)
• M15: 12,163,055 km (0.108 R)
• M16: 12,691,584 km (0.094 R)
• M17: 13,487,445 km (0.075 R)
• M18: 13,949,403 km (0.108 R)
• M19: 15,847,501 km (0.103 R)
• M20: 16,132,036 km (0.091 R)
• M21: 16,477,906 km (0.113 R)
• M22: 17,124,917 km (0.119 R)
• M23: 17,666,910 km (0.039 R)
• M24: 19,491,107 km (0.112 R)
• M25: 23,289,546 km (0.097 R)
• M26: 24,480,944 km (0.047 R)
• M27: 24,937,965 km (0.094 R)
• M28: 25,790,823 km (0.093 R)
• M29: 26,582,644 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.9

Radius: 3.3

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.87 AU - 6.87 AU

Year: 12429 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,047,682 km

• M1: 283,189 km (0.11 R)
• M2: 508,184 km (0.11 R)
• M3: 760,406 km (0.119 R)
• M4: 946,655 km (0.09 R)
• M5: 1,172,847 km (0.052 R)
• M6: 2,198,341 km (0.099 R)
• M7: 2,857,619 km (0.1 R)
• M8: 3,503,732 km (0.114 R)
• M9: 5,280,954 km (0.065 R)
• M10: 7,846,259 km (0.088 R)
• M11: 9,656,842 km (0.112 R)
• M12: 14,076,561 km (0.11 R)
• M13: 20,686,842 km (0.104 R)
• M14: 25,912,296 km (0.054 R)
• M15: 32,643,303 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.1

Radius: 3.3

Gravity: 75.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.63 AU - 9.19 AU

Year: 15356 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,047,682 km

• M1: 41,139 km (0.079 R)
• M2: 207,941 km (0.06 R)
• M3: 398,379 km (0.078 R)
• M4: 575,653 km (0.083 R)
• M5: 753,674 km (0.116 R)
• M6: 888,163 km (0.11 R)
• M7: 1,014,423 km (0.096 R)
• M8: 2,875,570 km (0.116 R)
• M9: 3,339,922 km (0.08 R)
• M10: 3,676,218 km (0.098 R)
• M11: 3,912,433 km (0.108 R)
• M12: 5,472,589 km (0.098 R)
• M13: 9,361,685 km (0.086 R)
• M14: 9,635,150 km (0.119 R)
• M15: 11,513,800 km (0.066 R)
• M16: 11,891,385 km (0.085 R)
• M17: 13,692,693 km (0.094 R)
• M18: 14,403,582 km (0.083 R)
• M19: 17,329,717 km (0.112 R)
• M20: 17,742,008 km (0.055 R)
• M21: 17,908,660 km (0.059 R)
• M22: 21,561,242 km (0.103 R)
• M23: 27,643,592 km (0.036 R)
• M24: 40,394,567 km (0.117 R)
• M25: 43,493,636 km (0.094 R)
• M26: 43,948,862 km (0.119 R)
• M27: 51,332,864 km (0.117 R)
• M28: 53,386,693 km (0.074 R)
• M29: 63,892,652 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.3

Radius: 3.6

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.51 AU - 10.05 AU

Year: 16446 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,047,682 km

• M1: 48,021 km (0.052 R)
• M2: 193,430 km (0.107 R)
• M3: 456,274 km (0.079 R)
• M4: 1,467,705 km (0.117 R)
• M5: 1,654,253 km (0.115 R)
• M6: 1,989,053 km (0.091 R)
• M7: 2,966,077 km (0.114 R)
• M8: 3,264,974 km (0.088 R)
• M9: 3,922,307 km (0.073 R)
• M10: 4,368,258 km (0.103 R)
• M11: 4,663,714 km (0.085 R)
• M12: 5,460,173 km (0.109 R)
• M13: 6,196,194 km (0.114 R)
• M14: 7,524,175 km (0.059 R)
• M15: 8,432,832 km (0.09 R)
• M16: 10,517,329 km (0.089 R)
• M17: 11,155,064 km (0.115 R)
• M18: 11,931,178 km (0.117 R)
• M19: 16,079,228 km (0.106 R)
• M20: 16,357,630 km (0.115 R)
• M21: 17,724,356 km (0.098 R)
• M22: 18,096,256 km (0.113 R)
• M23: 21,011,919 km (0.118 R)
• M24: 27,355,467 km (0.071 R)
• M25: 37,116,728 km (0.059 R)
• M26: 37,602,921 km (0.108 R)
• M27: 40,352,978 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 6.1

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.55 AU - 8.57 AU

Year: 17287 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,047,682 km

• M1: 75,846 km (0.086 R)
• M2: 275,410 km (0.1 R)
• M3: 486,193 km (0.096 R)
• M4: 837,898 km (0.101 R)
• M5: 1,037,162 km (0.07 R)
• M6: 1,489,696 km (0.091 R)
• M7: 2,197,294 km (0.115 R)
• M8: 5,393,901 km (0.088 R)
• M9: 5,718,678 km (0.092 R)
• M10: 9,932,850 km (0.101 R)
• M11: 10,587,341 km (0.098 R)
• M12: 11,096,871 km (0.115 R)
• M13: 12,042,629 km (0.078 R)
• M14: 16,894,536 km (0.091 R)
• M15: 17,201,212 km (0.029 R)
• M16: 18,709,159 km (0.06 R)
• M17: 18,954,948 km (0.12 R)
• M18: 20,131,086 km (0.093 R)
• M19: 20,737,107 km (0.062 R)
• M20: 21,444,406 km (0.114 R)
• M21: 21,985,352 km (0.106 R)
• M22: 29,868,860 km (0.1 R)
• M23: 31,806,302 km (0.06 R)
• M24: 33,826,023 km (0.108 R)
• M25: 34,069,120 km (0.104 R)
• M26: 34,929,158 km (0.089 R)
• M27: 35,677,746 km (0.106 R)
• M28: 36,564,712 km (0.041 R)
• M29: 41,776,402 km (0.106 R)
• M30: 43,474,338 km (0.117 R)
• M31: 48,072,827 km (0.101 R)
• M32: 49,466,182 km (0.097 R)
• M33: 50,409,994 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 12,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit