🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 8.6

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.32 AU - 2.16 AU

Year: 1459 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,500,289 km

• M1: 106,962 km (0.077 R)
• M2: 378,632 km (0.069 R)
• M3: 695,630 km (0.081 R)
• M4: 1,364,931 km (0.057 R)
• M5: 2,001,470 km (0.069 R)
• M6: 2,363,646 km (0.099 R)
• M7: 2,755,892 km (0.106 R)
• M8: 3,117,919 km (0.059 R)
• M9: 3,574,940 km (0.055 R)
• M10: 4,435,577 km (0.087 R)
• M11: 5,034,716 km (0.117 R)
• M12: 5,621,140 km (0.058 R)
• M13: 7,736,903 km (0.074 R)
• M14: 8,149,045 km (0.083 R)
• M15: 10,236,234 km (0.025 R)
• M16: 10,868,435 km (0.036 R)
• M17: 11,142,349 km (0.109 R)
• M18: 11,420,900 km (0.079 R)
• M19: 11,919,360 km (0.055 R)
• M20: 12,321,180 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 10.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.39 AU - 3.47 AU

Year: 4039 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,500,289 km

• M1: 134,488 km (0.04 R)
• M2: 676,781 km (0.105 R)
• M3: 1,398,590 km (0.112 R)
• M4: 1,844,991 km (0.11 R)
• M5: 2,228,260 km (0.111 R)
• M6: 4,947,650 km (0.097 R)
• M7: 9,157,484 km (0.076 R)
• M8: 10,067,338 km (0.032 R)
• M9: 12,437,567 km (0.076 R)
• M10: 12,773,863 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 12.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.59 AU - 4.31 AU

Year: 4074 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,500,289 km

• M1: 183,257 km (0.11 R)
• M2: 657,034 km (0.093 R)
• M3: 1,349,373 km (0.059 R)
• M4: 1,786,498 km (0.071 R)
• M5: 2,910,576 km (0.11 R)
• M6: 5,380,886 km (0.117 R)
• M7: 8,380,024 km (0.071 R)
• M8: 9,636,347 km (0.05 R)
• M9: 12,225,736 km (0.118 R)
• M10: 12,691,285 km (0.089 R)
• M11: 13,658,136 km (0.114 R)
• M12: 17,485,149 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 14.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.19 AU - 6.21 AU

Year: 8653 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,500,289 km

• M1: 178,021 km (0.1 R)
• M2: 727,345 km (0.087 R)
• M3: 1,556,117 km (0.068 R)
• M4: 2,059,813 km (0.055 R)
• M5: 2,876,169 km (0.12 R)
• M6: 4,190,835 km (0.12 R)
• M7: 4,968,594 km (0.105 R)
• M8: 6,625,091 km (0.037 R)
• M9: 8,669,945 km (0.044 R)
• M10: 9,595,656 km (0.117 R)
• M11: 10,637,605 km (0.118 R)
• M12: 12,597,786 km (0.093 R)
• M13: 13,064,232 km (0.045 R)
• M14: 13,970,197 km (0.026 R)
• M15: 14,470,153 km (0.119 R)
• M16: 15,242,677 km (0.059 R)
• M17: 16,178,411 km (0.049 R)
• M18: 17,223,203 km (0.06 R)
• M19: 17,798,556 km (0.043 R)
• M20: 19,679,749 km (0.102 R)
• M21: 21,856,847 km (0.072 R)
• M22: 26,305,140 km (0.071 R)
• M23: 27,165,328 km (0.059 R)
• M24: 32,945,640 km (0.059 R)
• M25: 36,005,216 km (0.11 R)
• M26: 36,474,055 km (0.062 R)
• M27: 37,543,979 km (0.119 R)
• M28: 38,634,548 km (0.09 R)
• M29: 44,139,001 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.9

Radius: 6.8

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.75 AU - 8.53 AU

Year: 12131 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,500,289 km

• M1: 84,523 km (0.082 R)
• M2: 401,221 km (0.086 R)
• M3: 788,530 km (0.112 R)
• M4: 1,272,330 km (0.107 R)
• M5: 2,081,505 km (0.029 R)
• M6: 3,318,380 km (0.096 R)
• M7: 5,219,769 km (0.036 R)
• M8: 5,499,816 km (0.107 R)
• M9: 7,180,698 km (0.083 R)
• M10: 8,683,708 km (0.056 R)
• M11: 10,605,591 km (0.11 R)
• M12: 12,175,472 km (0.115 R)
• M13: 12,857,339 km (0.109 R)
• M14: 16,879,876 km (0.066 R)
• M15: 17,184,756 km (0.069 R)
• M16: 18,042,102 km (0.114 R)
• M17: 18,360,895 km (0.111 R)
• M18: 20,525,277 km (0.11 R)
• M19: 22,669,014 km (0.066 R)
• M20: 24,371,588 km (0.102 R)
• M21: 25,653,043 km (0.112 R)
• M22: 27,291,140 km (0.103 R)
• M23: 27,817,126 km (0.092 R)
• M24: 32,270,205 km (0.085 R)
• M25: 33,813,906 km (0.119 R)
• M26: 34,911,057 km (0.09 R)
• M27: 39,137,047 km (0.086 R)
• M28: 41,441,752 km (0.093 R)
• M29: 42,136,335 km (0.091 R)
• M30: 42,416,382 km (0.087 R)
• M31: 43,548,987 km (0.048 R)
• M32: 45,432,125 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.4

Radius: 4.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.64 AU - 12.1 AU

Year: 21233 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,500,289 km

• M1: 51,013 km (0.085 R)
• M2: 1,384,827 km (0.08 R)
• M3: 3,565,815 km (0.119 R)
• M4: 4,839,790 km (0.12 R)
• M5: 5,578,505 km (0.086 R)
• M6: 7,276,291 km (0.08 R)
• M7: 7,470,768 km (0.062 R)
• M8: 7,708,778 km (0.116 R)
• M9: 9,893,506 km (0.063 R)
• M10: 10,229,054 km (0.079 R)
• M11: 12,184,148 km (0.081 R)
• M12: 13,019,951 km (0.097 R)
• M13: 20,043,871 km (0.079 R)
• M14: 20,580,628 km (0.112 R)
• M15: 29,232,770 km (0.106 R)
• M16: 29,922,865 km (0.094 R)
• M17: 30,724,710 km (0.052 R)
• M18: 32,581,219 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804

Radius: 5.9

Gravity: 23.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 10.49 AU - 12.23 AU

Year: 24344 Days

Day: 22.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,500,289 km

• M1: 73,453 km (0.094 R)
• M2: 394,490 km (0.085 R)
• M3: 720,463 km (0.106 R)
• M4: 1,020,557 km (0.104 R)
• M5: 1,290,431 km (0.065 R)
• M6: 1,974,841 km (0.119 R)
• M7: 2,167,673 km (0.098 R)
• M8: 2,396,707 km (0.055 R)
• M9: 3,270,209 km (0.04 R)
• M10: 3,479,946 km (0.06 R)
• M11: 3,959,856 km (0.109 R)
• M12: 4,303,482 km (0.101 R)
• M13: 4,667,005 km (0.07 R)
• M14: 5,250,287 km (0.119 R)
• M15: 9,147,760 km (0.062 R)
• M16: 11,028,505 km (0.071 R)
• M17: 12,201,202 km (0.075 R)
• M18: 15,284,564 km (0.114 R)
• M19: 15,872,783 km (0.074 R)
• M20: 17,004,940 km (0.091 R)
• M21: 18,190,054 km (0.054 R)
• M22: 20,419,960 km (0.08 R)
• M23: 23,928,179 km (0.114 R)
• M24: 28,442,146 km (0.079 R)
• M25: 29,717,916 km (0.084 R)
• M26: 39,108,773 km (0.065 R)
• M27: 39,577,164 km (0.114 R)
• M28: 42,138,878 km (0.049 R)
• M29: 45,665,947 km (0.065 R)
• M30: 51,785,248 km (0.083 R)
• M31: 57,418,356 km (0.109 R)
• M32: 61,112,525 km (0.118 R)
• M33: 61,743,230 km (0.115 R)
• M34: 65,838,920 km (0.104 R)
• M35: 66,723,642 km (0.057 R)
• M36: 77,720,283 km (0.044 R)
• M37: 77,966,521 km (0.08 R)
• M38: 79,205,490 km (0.072 R)
• M39: 83,516,302 km (0.042 R)
• M40: 85,074,215 km (0.11 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: 323 - 19,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit