🌌 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: 923.5

Radius: 11.4

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,979,791 km

• M1: 141,819 km (0.054 R)
• M2: 526,136 km (0.061 R)
• M3: 938,128 km (0.063 R)
• M4: 1,663,528 km (0.057 R)
• M5: 2,021,666 km (0.104 R)
• M6: 2,998,390 km (0.101 R)
• M7: 3,423,547 km (0.108 R)
• M8: 4,011,766 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.2

Radius: 14.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.84 AU - 1.98 AU

Year: 1760 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,979,791 km

• M1: 181,612 km (0.103 R)
• M2: 642,224 km (0.035 R)
• M3: 1,111,662 km (0.076 R)
• M4: 1,604,736 km (0.095 R)
• M5: 2,200,884 km (0.088 R)
• M6: 2,683,038 km (0.118 R)
• M7: 3,206,481 km (0.112 R)
• M8: 4,368,258 km (0.043 R)
• M9: 4,995,223 km (0.061 R)
• M10: 5,794,823 km (0.11 R)
• M11: 6,261,718 km (0.093 R)
• M12: 7,459,249 km (0.115 R)
• M13: 10,006,153 km (0.104 R)
• M14: 10,509,550 km (0.101 R)
• M15: 12,540,790 km (0.077 R)
• M16: 13,567,928 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 14.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.11 AU - 3.39 AU

Year: 3041 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,979,791 km

• M1: 185,352 km (0.087 R)
• M2: 778,059 km (0.094 R)
• M3: 2,634,718 km (0.093 R)
• M4: 3,764,182 km (0.025 R)
• M5: 4,329,362 km (0.101 R)
• M6: 6,289,543 km (0.085 R)
• M7: 7,183,091 km (0.111 R)
• M8: 7,758,744 km (0.106 R)
• M9: 9,076,252 km (0.081 R)
• M10: 10,257,627 km (0.118 R)
• M11: 11,799,382 km (0.093 R)
• M12: 13,065,429 km (0.118 R)
• M13: 15,920,056 km (0.081 R)
• M14: 16,406,099 km (0.108 R)
• M15: 20,091,443 km (0.117 R)
• M16: 21,630,356 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 11.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.55 AU - 4.03 AU

Year: 4920 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,979,791 km

• M1: 152,590 km (0.117 R)
• M2: 548,426 km (0.096 R)
• M3: 1,336,358 km (0.05 R)
• M4: 1,844,691 km (0.083 R)
• M5: 2,319,066 km (0.084 R)
• M6: 3,009,161 km (0.079 R)
• M7: 3,478,450 km (0.053 R)
• M8: 4,187,244 km (0.088 R)
• M9: 4,845,325 km (0.111 R)
• M10: 5,338,400 km (0.045 R)
• M11: 5,946,815 km (0.045 R)
• M12: 6,310,786 km (0.1 R)
• M13: 7,114,576 km (0.091 R)
• M14: 7,753,059 km (0.1 R)
• M15: 10,252,989 km (0.096 R)
• M16: 11,491,510 km (0.117 R)
• M17: 11,925,942 km (0.086 R)
• M18: 12,416,174 km (0.115 R)
• M19: 12,873,645 km (0.083 R)
• M20: 13,532,923 km (0.083 R)
• M21: 14,313,823 km (0.095 R)
• M22: 18,616,857 km (0.045 R)
• M23: 19,035,282 km (0.074 R)
• M24: 19,460,140 km (0.088 R)
• M25: 20,203,192 km (0.076 R)
• M26: 22,143,477 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 9.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.57 AU - 4.97 AU

Year: 5884 Days

Day: 13 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,979,791 km

• M1: 119,379 km (0.09 R)
• M2: 478,414 km (0.087 R)
• M3: 1,213,538 km (0.025 R)
• M4: 1,549,535 km (0.072 R)
• M5: 1,990,250 km (0.11 R)
• M6: 3,467,529 km (0.073 R)
• M7: 4,323,528 km (0.113 R)
• M8: 5,685,766 km (0.104 R)
• M9: 6,074,721 km (0.106 R)
• M10: 6,481,328 km (0.111 R)
• M11: 7,920,758 km (0.05 R)
• M12: 9,274,170 km (0.098 R)
• M13: 9,687,659 km (0.075 R)
• M14: 11,002,624 km (0.092 R)
• M15: 11,991,466 km (0.079 R)
• M16: 12,682,907 km (0.08 R)
• M17: 13,822,843 km (0.089 R)
• M18: 14,308,288 km (0.09 R)
• M19: 15,256,440 km (0.096 R)
• M20: 16,544,777 km (0.077 R)
• M21: 17,967,901 km (0.06 R)
• M22: 20,081,270 km (0.029 R)
• M23: 20,914,830 km (0.045 R)
• M24: 24,169,331 km (0.064 R)
• M25: 25,271,867 km (0.074 R)
• M26: 27,155,604 km (0.101 R)
• M27: 27,832,085 km (0.078 R)
• M28: 28,606,703 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 12.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.57 AU - 5.49 AU

Year: 7523 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,979,791 km

• M1: 156,629 km (0.084 R)
• M2: 1,032,076 km (0.107 R)
• M3: 2,579,815 km (0.104 R)
• M4: 3,283,673 km (0.035 R)
• M5: 3,898,670 km (0.097 R)
• M6: 5,245,051 km (0.05 R)
• M7: 6,183,628 km (0.079 R)
• M8: 8,043,878 km (0.097 R)
• M9: 9,418,532 km (0.038 R)
• M10: 9,895,301 km (0.101 R)
• M11: 10,342,598 km (0.093 R)
• M12: 11,471,614 km (0.095 R)
• M13: 12,066,265 km (0.048 R)
• M14: 12,577,291 km (0.104 R)
• M15: 13,588,274 km (0.098 R)
• M16: 15,771,655 km (0.115 R)
• M17: 18,113,460 km (0.092 R)
• M18: 20,678,315 km (0.025 R)
• M19: 28,536,243 km (0.104 R)
• M20: 32,188,824 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.9

Radius: 5

Gravity: 29.92 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.35 AU - 10.01 AU

Year: 15601 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,979,791 km

• M1: 70,461 km (0.092 R)
• M2: 365,617 km (0.054 R)
• M3: 1,679,984 km (0.115 R)
• M4: 3,029,806 km (0.093 R)
• M5: 3,504,480 km (0.061 R)
• M6: 4,567,223 km (0.043 R)
• M7: 5,751,141 km (0.094 R)
• M8: 11,648,737 km (0.12 R)
• M9: 14,034,524 km (0.038 R)
• M10: 20,918,869 km (0.102 R)
• M11: 29,179,962 km (0.059 R)
• M12: 32,518,239 km (0.07 R)
• M13: 35,838,115 km (0.104 R)
• M14: 36,368,140 km (0.06 R)
• M15: 45,573,944 km (0.086 R)
• M16: 55,508,140 km (0.096 R)
• M17: 62,111,091 km (0.087 R)
• M18: 62,875,536 km (0.08 R)
• M19: 63,839,844 km (0.069 R)
• M20: 66,194,515 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.6

Radius: 3

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.96 AU - 10.28 AU

Year: 16877 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,979,791 km

• M1: 49,218 km (0.031 R)
• M2: 178,919 km (0.116 R)
• M3: 297,700 km (0.08 R)
• M4: 872,006 km (0.099 R)
• M5: 1,097,749 km (0.072 R)
• M6: 1,325,736 km (0.069 R)
• M7: 1,718,880 km (0.112 R)
• M8: 2,168,571 km (0.118 R)
• M9: 3,230,716 km (0.117 R)
• M10: 3,650,637 km (0.118 R)
• M11: 5,885,330 km (0.076 R)
• M12: 6,340,855 km (0.087 R)
• M13: 11,446,930 km (0.074 R)
• M14: 12,944,554 km (0.048 R)
• M15: 16,637,826 km (0.109 R)
• M16: 19,104,246 km (0.087 R)
• M17: 20,754,012 km (0.083 R)
• M18: 25,079,185 km (0.115 R)
• M19: 26,268,788 km (0.091 R)
• M20: 27,229,505 km (0.048 R)
• M21: 29,779,999 km (0.062 R)
• M22: 30,728,151 km (0.083 R)
• M23: 31,306,496 km (0.095 R)
• M24: 31,403,735 km (0.088 R)
• M25: 32,884,454 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.5

Radius: 4.2

Gravity: 56.43 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.96 AU - 11.3 AU

Year: 19928 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,979,791 km

• M1: 56,249 km (0.072 R)
• M2: 212,130 km (0.078 R)
• M3: 578,794 km (0.069 R)
• M4: 792,570 km (0.091 R)
• M5: 2,083,599 km (0.106 R)
• M6: 2,280,769 km (0.115 R)
• M7: 2,442,634 km (0.089 R)
• M8: 2,661,945 km (0.103 R)
• M9: 3,459,451 km (0.118 R)
• M10: 3,768,071 km (0.12 R)
• M11: 4,027,923 km (0.062 R)
• M12: 4,917,731 km (0.049 R)
• M13: 5,760,416 km (0.035 R)
• M14: 7,223,184 km (0.104 R)
• M15: 7,522,679 km (0.11 R)
• M16: 8,253,464 km (0.115 R)
• M17: 9,203,261 km (0.068 R)
• M18: 9,855,209 km (0.075 R)
• M19: 13,063,335 km (0.107 R)
• M20: 19,364,996 km (0.056 R)
• M21: 24,198,802 km (0.069 R)
• M22: 26,244,702 km (0.1 R)
• M23: 27,550,243 km (0.108 R)
• M24: 29,399,273 km (0.105 R)
• M25: 30,289,829 km (0.091 R)
• M26: 32,392,577 km (0.112 R)
• M27: 35,726,066 km (0.026 R)
• M28: 36,886,048 km (0.075 R)
• M29: 37,475,314 km (0.073 R)
• M30: 42,740,411 km (0.079 R)
• M31: 45,887,052 km (0.062 R)
• M32: 47,951,802 km (0.101 R)
• M33: 48,126,682 km (0.067 R)
• M34: 48,830,241 km (0.043 R)
• M35: 62,902,464 km (0.099 R)
• M36: 77,750,651 km (0.063 R)
• M37: 83,427,591 km (0.051 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit