🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 9.8

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,761,451 km

• M1: 124,166 km (0.118 R)
• M2: 455,226 km (0.091 R)
• M3: 868,416 km (0.11 R)
• M4: 1,228,348 km (0.095 R)
• M5: 1,619,397 km (0.083 R)
• M6: 1,986,211 km (0.098 R)
• M7: 2,348,687 km (0.081 R)
• M8: 2,901,451 km (0.099 R)
• M9: 3,295,641 km (0.078 R)
• M10: 3,752,812 km (0.116 R)
• M11: 4,133,988 km (0.086 R)
• M12: 4,698,271 km (0.051 R)
• M13: 5,125,073 km (0.093 R)
• M14: 5,649,414 km (0.098 R)
• M15: 6,826,151 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 13.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.07 AU - 1.33 AU

Year: 877 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,761,451 km

• M1: 170,392 km (0.08 R)
• M2: 667,506 km (0.114 R)
• M3: 1,310,627 km (0.114 R)
• M4: 2,246,362 km (0.114 R)
• M5: 3,194,962 km (0.12 R)
• M6: 4,034,505 km (0.07 R)
• M7: 6,109,577 km (0.078 R)
• M8: 7,331,792 km (0.113 R)
• M9: 7,874,234 km (0.097 R)
• M10: 8,469,932 km (0.072 R)
• M11: 9,520,109 km (0.092 R)
• M12: 10,136,602 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 10.5

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.49 AU - 3.07 AU

Year: 3091 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,761,451 km

• M1: 131,497 km (0.116 R)
• M2: 561,441 km (0.101 R)
• M3: 958,623 km (0.064 R)
• M4: 1,291,628 km (0.059 R)
• M5: 1,847,833 km (0.118 R)
• M6: 2,496,340 km (0.109 R)
• M7: 4,493,172 km (0.098 R)
• M8: 5,169,504 km (0.107 R)
• M9: 6,194,249 km (0.09 R)
• M10: 6,604,148 km (0.076 R)
• M11: 6,969,914 km (0.105 R)
• M12: 7,349,145 km (0.098 R)
• M13: 8,323,177 km (0.101 R)
• M14: 9,883,333 km (0.089 R)
• M15: 10,403,634 km (0.097 R)
• M16: 12,530,318 km (0.08 R)
• M17: 13,476,524 km (0.107 R)
• M18: 14,418,841 km (0.115 R)
• M19: 15,564,162 km (0.12 R)
• M20: 15,941,000 km (0.079 R)
• M21: 18,272,034 km (0.114 R)
• M22: 21,082,529 km (0.093 R)
• M23: 22,351,268 km (0.104 R)
• M24: 22,969,706 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 10.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.61 AU - 3.87 AU

Year: 3889 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,761,451 km

• M1: 127,009 km (0.097 R)
• M2: 449,841 km (0.086 R)
• M3: 1,294,171 km (0.107 R)
• M4: 1,836,463 km (0.066 R)
• M5: 2,904,742 km (0.113 R)
• M6: 3,820,131 km (0.051 R)
• M7: 4,478,063 km (0.115 R)
• M8: 4,822,587 km (0.111 R)
• M9: 6,019,070 km (0.105 R)
• M10: 10,708,365 km (0.038 R)
• M11: 12,411,986 km (0.099 R)
• M12: 13,612,060 km (0.051 R)
• M13: 14,142,384 km (0.09 R)
• M14: 15,606,798 km (0.119 R)
• M15: 16,948,392 km (0.1 R)
• M16: 20,604,713 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.58 AU - 4.22 AU

Year: 4181 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,761,451 km

• M1: 194,328 km (0.11 R)
• M2: 1,341,594 km (0.076 R)
• M3: 2,899,057 km (0.11 R)
• M4: 3,521,683 km (0.062 R)
• M5: 4,151,191 km (0.095 R)
• M6: 6,150,268 km (0.053 R)
• M7: 8,658,575 km (0.113 R)
• M8: 9,309,176 km (0.097 R)
• M9: 9,992,240 km (0.106 R)
• M10: 14,386,528 km (0.111 R)
• M11: 16,406,249 km (0.101 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 14.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.38 AU - 5.2 AU

Year: 6991 Days

Day: 7.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,761,451 km

• M1: 185,501 km (0.104 R)
• M2: 716,424 km (0.065 R)
• M3: 1,196,185 km (0.049 R)
• M4: 1,807,890 km (0.116 R)
• M5: 2,442,036 km (0.026 R)
• M6: 3,553,847 km (0.074 R)
• M7: 4,663,714 km (0.037 R)
• M8: 5,399,586 km (0.068 R)
• M9: 6,967,371 km (0.073 R)
• M10: 7,636,822 km (0.087 R)
• M11: 8,543,684 km (0.095 R)
• M12: 10,939,494 km (0.089 R)
• M13: 11,410,428 km (0.109 R)
• M14: 11,894,826 km (0.114 R)
• M15: 12,392,987 km (0.105 R)
• M16: 13,219,216 km (0.1 R)
• M17: 14,527,150 km (0.081 R)
• M18: 17,977,775 km (0.096 R)
• M19: 21,793,567 km (0.102 R)
• M20: 23,538,627 km (0.066 R)
• M21: 25,457,219 km (0.11 R)
• M22: 28,794,149 km (0.053 R)
• M23: 29,513,117 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.1

Radius: 7.1

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.31 AU - 9.39 AU

Year: 16090 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,761,451 km

• M1: 88,263 km (0.116 R)
• M2: 413,937 km (0.101 R)
• M3: 860,188 km (0.025 R)
• M4: 1,098,198 km (0.089 R)
• M5: 2,075,371 km (0.114 R)
• M6: 2,467,617 km (0.058 R)
• M7: 2,763,671 km (0.088 R)
• M8: 3,007,516 km (0.102 R)
• M9: 3,239,243 km (0.109 R)
• M10: 3,916,323 km (0.09 R)
• M11: 5,139,884 km (0.108 R)
• M12: 6,304,503 km (0.103 R)
• M13: 7,401,803 km (0.064 R)
• M14: 7,635,625 km (0.099 R)
• M15: 8,069,160 km (0.08 R)
• M16: 8,985,147 km (0.057 R)
• M17: 11,451,567 km (0.039 R)
• M18: 11,891,834 km (0.065 R)
• M19: 12,474,368 km (0.112 R)
• M20: 15,220,387 km (0.104 R)
• M21: 18,687,766 km (0.099 R)
• M22: 19,297,976 km (0.099 R)
• M23: 20,283,676 km (0.055 R)
• M24: 20,742,642 km (0.055 R)
• M25: 25,084,870 km (0.096 R)
• M26: 27,579,265 km (0.108 R)
• M27: 28,142,501 km (0.098 R)
• M28: 31,439,788 km (0.086 R)
• M29: 31,931,067 km (0.06 R)
• M30: 33,435,124 km (0.077 R)
• M31: 33,818,394 km (0.064 R)
• M32: 43,161,678 km (0.087 R)
• M33: 44,380,602 km (0.053 R)
• M34: 45,154,023 km (0.058 R)
• M35: 50,653,390 km (0.108 R)
• M36: 57,309,299 km (0.115 R)
• M37: 57,858,323 km (0.067 R)
• M38: 59,526,489 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit