🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.85 AU

Year: 254 Days

Day: 27.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 45 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,039,836 km

• M1: 512,672 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.07 AU - 1.67 AU

Year: 695 Days

Day: 21.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 9.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.69 AU - 9.97 AU

Year: 10421 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 69,039,836 km

• M1: 188,793 km (0.092 R)
• M2: 336,894 km (0.097 R)
• M3: 466,895 km (0.112 R)
• M4: 545,883 km (0.108 R)
• M5: 659,278 km (0.114 R)
• M6: 911,201 km (0.052 R)
• M7: 1,442,871 km (0.108 R)
• M8: 1,523,056 km (0.091 R)
• M9: 1,604,886 km (0.062 R)
• M10: 1,751,641 km (0.075 R)
• M11: 2,673,464 km (0.082 R)
• M12: 2,899,057 km (0.112 R)
• M13: 3,079,023 km (0.084 R)
• M14: 3,209,772 km (0.081 R)
• M15: 3,531,108 km (0.11 R)
• M16: 4,408,799 km (0.102 R)
• M17: 4,616,141 km (0.119 R)
• M18: 4,856,994 km (0.066 R)
• M19: 4,917,880 km (0.11 R)
• M20: 5,288,434 km (0.113 R)
• M21: 6,320,510 km (0.082 R)
• M22: 6,387,081 km (0.048 R)
• M23: 6,487,461 km (0.12 R)
• M24: 6,621,950 km (0.038 R)
• M25: 6,689,568 km (0.107 R)
• M26: 7,134,622 km (0.07 R)
• M27: 7,273,598 km (0.034 R)
• M28: 7,660,309 km (0.087 R)
• M29: 8,162,060 km (0.113 R)
• M30: 8,234,615 km (0.088 R)
• M31: 8,563,880 km (0.106 R)
• M32: 9,047,081 km (0.112 R)
• M33: 9,424,815 km (0.07 R)
• M34: 9,615,553 km (0.072 R)
• M35: 9,846,233 km (0.117 R)
• M36: 10,039,962 km (0.088 R)
• M37: 10,313,128 km (0.082 R)
• M38: 10,628,330 km (0.111 R)
• M39: 10,866,939 km (0.066 R)
• M40: 11,147,435 km (0.092 R)
• M41: 11,593,087 km (0.099 R)
• M42: 12,127,451 km (0.109 R)
• M43: 12,251,766 km (0.112 R)
• M44: 12,796,003 km (0.077 R)
• M45: 14,343,593 km (0.09 R)
• M46: 14,651,466 km (0.113 R)
• M47: 15,452,862 km (0.087 R)
• M48: 16,222,842 km (0.114 R)
• M49: 16,360,023 km (0.053 R)
• M50: 16,820,186 km (0.109 R)
• M51: 17,098,139 km (0.12 R)
• M52: 18,511,390 km (0.042 R)
• M53: 18,990,702 km (0.036 R)
• M54: 19,280,323 km (0.087 R)
• M55: 20,305,368 km (0.103 R)
• M56: 20,601,422 km (0.104 R)
• M57: 21,448,296 km (0.104 R)
• M58: 21,800,150 km (0.084 R)
• M59: 22,052,821 km (0.079 R)
• M60: 23,433,459 km (0.098 R)
• M61: 24,631,589 km (0.11 R)
• M62: 24,789,414 km (0.083 R)
• M63: 25,211,729 km (0.095 R)
• M64: 25,689,694 km (0.094 R)
• M65: 26,170,652 km (0.108 R)
• M66: 27,304,304 km (0.072 R)
• M67: 28,069,048 km (0.059 R)
• M68: 29,118,178 km (0.046 R)
• M69: 30,123,775 km (0.11 R)
• M70: 32,169,077 km (0.062 R)
• M71: 33,150,439 km (0.111 R)
• M72: 33,849,211 km (0.119 R)
• M73: 33,966,047 km (0.079 R)
• M74: 34,141,675 km (0.11 R)
• M75: 35,379,448 km (0.053 R)
• M76: 35,854,870 km (0.045 R)
• M77: 36,452,214 km (0.08 R)
• M78: 36,932,274 km (0.072 R)
• M79: 37,293,852 km (0.116 R)
• M80: 38,935,090 km (0.112 R)
• M81: 39,364,436 km (0.075 R)
• M82: 39,980,480 km (0.113 R)
• M83: 40,910,679 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.4

Radius: 3.3

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 14.16 AU - 16.04 AU

Year: 25435 Days

Day: 18.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,039,836 km

• M1: 58,493 km (0.111 R)
• M2: 251,025 km (0.119 R)
• M3: 512,373 km (0.08 R)
• M4: 789,428 km (0.049 R)
• M5: 859,141 km (0.069 R)
• M6: 1,004,849 km (0.071 R)
• M7: 1,029,832 km (0.098 R)
• M8: 1,184,516 km (0.092 R)
• M9: 1,264,551 km (0.098 R)
• M10: 1,458,280 km (0.101 R)
• M11: 1,904,082 km (0.082 R)
• M12: 2,456,098 km (0.113 R)
• M13: 2,731,956 km (0.076 R)
• M14: 2,767,112 km (0.098 R)
• M15: 3,425,642 km (0.089 R)
• M16: 3,733,215 km (0.054 R)
• M17: 4,374,391 km (0.055 R)
• M18: 4,498,408 km (0.106 R)
• M19: 4,962,909 km (0.105 R)
• M20: 5,049,078 km (0.114 R)
• M21: 5,135,695 km (0.098 R)
• M22: 5,398,389 km (0.103 R)
• M23: 5,442,520 km (0.063 R)
• M24: 5,575,961 km (0.099 R)
• M25: 6,539,372 km (0.09 R)
• M26: 6,919,650 km (0.067 R)
• M27: 7,015,841 km (0.116 R)
• M28: 7,552,897 km (0.048 R)
• M29: 7,951,576 km (0.115 R)
• M30: 8,511,072 km (0.078 R)
• M31: 8,614,145 km (0.117 R)
• M32: 8,873,697 km (0.051 R)
• M33: 9,721,318 km (0.08 R)
• M34: 10,760,874 km (0.098 R)
• M35: 11,265,468 km (0.076 R)
• M36: 11,322,016 km (0.117 R)
• M37: 11,606,252 km (0.08 R)
• M38: 12,531,215 km (0.071 R)
• M39: 12,943,208 km (0.071 R)
• M40: 15,069,143 km (0.105 R)
• M41: 16,267,721 km (0.106 R)
• M42: 18,088,926 km (0.073 R)
• M43: 19,564,559 km (0.032 R)
• M44: 20,042,076 km (0.107 R)
• M45: 20,800,238 km (0.103 R)
• M46: 21,287,627 km (0.112 R)
• M47: 25,914,091 km (0.11 R)
• M48: 26,288,086 km (0.093 R)
• M49: 27,344,995 km (0.099 R)
• M50: 27,649,426 km (0.043 R)
• M51: 28,108,243 km (0.093 R)
• M52: 28,261,880 km (0.063 R)
• M53: 28,723,988 km (0.11 R)
• M54: 29,033,506 km (0.118 R)
• M55: 29,812,163 km (0.075 R)
• M56: 29,968,792 km (0.117 R)
• M57: 30,125,570 km (0.068 R)
• M58: 30,282,648 km (0.097 R)
• M59: 31,389,972 km (0.115 R)
• M60: 31,948,570 km (0.092 R)
• M61: 32,510,460 km (0.119 R)
• M62: 32,913,776 km (0.035 R)
• M63: 33,318,737 km (0.106 R)
• M64: 38,135,639 km (0.097 R)
• M65: 38,560,946 km (0.109 R)
• M66: 40,018,777 km (0.119 R)
• M67: 40,971,715 km (0.119 R)
• M68: 41,232,913 km (0.053 R)
• M69: 43,253,382 km (0.098 R)
• M70: 43,519,367 km (0.079 R)
• M71: 44,499,083 km (0.076 R)
• M72: 45,306,014 km (0.069 R)
• M73: 46,117,732 km (0.108 R)
• M74: 48,030,491 km (0.115 R)
• M75: 49,505,227 km (0.117 R)
• M76: 50,434,379 km (0.047 R)
• M77: 50,714,277 km (0.057 R)
• M78: 50,807,626 km (0.108 R)
• M79: 52,404,284 km (0.094 R)
• M80: 52,687,772 km (0.052 R)
• M81: 54,494,914 km (0.103 R)
• M82: 55,165,711 km (0.039 R)
• M83: 55,454,135 km (0.038 R)
• M84: 56,322,252 km (0.099 R)
• M85: 56,418,892 km (0.065 R)
• M86: 60,432,154 km (0.113 R)
• M87: 60,531,188 km (0.056 R)
• M88: 60,828,589 km (0.119 R)
• M89: 63,527,035 km (0.098 R)
• M90: 64,738,927 km (0.049 R)
• M91: 65,958,300 km (0.025 R)
• M92: 66,060,325 km (0.093 R)
• M93: 66,162,201 km (0.076 R)
• M94: 67,185,301 km (0.095 R)
• M95: 67,493,174 km (0.068 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: 298 - 19,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit