🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.82 AU - 0.84 AU

Year: 227 Days

Day: 31.5 Hours

Environment

Temp: 222 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,121,267 km

• M1: 373,995 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.73 AU - 1.01 AU

Year: 244 Days

Day: 21 Hours

Environment

Temp: 276 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.69 AU - 1.05 AU

Year: 244 Days

Day: 35.2 Hours

Environment

Temp: 285 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 96,121,267 km

• M1: 75,098 km (0.054 R)
• M2: 167,250 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.03 AU - 3.23 AU

Year: 1281 Days

Day: 17.4 Hours

Environment

Temp: -14 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 96,121,267 km

• M1: 283,937 km (0.075 R)
• M2: 393,891 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.42 AU - 4.56 AU

Year: 2393 Days

Day: 41.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,121,267 km

• M1: 411,843 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 12.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 10.75 AU - 14.07 AU

Year: 13126 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 96,121,267 km

• M1: 157,227 km (0.096 R)
• M2: 289,322 km (0.106 R)
• M3: 403,465 km (0.039 R)
• M4: 1,243,607 km (0.067 R)
• M5: 1,542,055 km (0.064 R)
• M6: 1,723,068 km (0.099 R)
• M7: 1,816,268 km (0.102 R)
• M8: 2,257,581 km (0.114 R)
• M9: 2,650,725 km (0.101 R)
• M10: 2,925,087 km (0.076 R)
• M11: 4,367,211 km (0.058 R)
• M12: 6,033,731 km (0.058 R)
• M13: 6,395,907 km (0.085 R)
• M14: 7,065,807 km (0.092 R)
• M15: 8,391,543 km (0.112 R)
• M16: 8,633,443 km (0.098 R)
• M17: 8,796,056 km (0.104 R)
• M18: 9,456,530 km (0.05 R)
• M19: 9,792,677 km (0.083 R)
• M20: 9,877,349 km (0.074 R)
• M21: 10,304,451 km (0.065 R)
• M22: 10,563,704 km (0.098 R)
• M23: 10,781,369 km (0.072 R)
• M24: 11,309,749 km (0.053 R)
• M25: 11,982,191 km (0.081 R)
• M26: 12,118,176 km (0.119 R)
• M27: 12,209,281 km (0.109 R)
• M28: 12,852,551 km (0.083 R)
• M29: 13,178,376 km (0.085 R)
• M30: 13,459,769 km (0.106 R)
• M31: 14,028,690 km (0.113 R)
• M32: 14,364,238 km (0.118 R)
• M33: 14,945,575 km (0.1 R)
• M34: 15,288,304 km (0.114 R)
• M35: 16,482,843 km (0.078 R)
• M36: 17,091,258 km (0.097 R)
• M37: 18,802,508 km (0.116 R)
• M38: 19,385,042 km (0.1 R)
• M39: 19,598,368 km (0.063 R)
• M40: 20,027,265 km (0.03 R)
• M41: 21,113,196 km (0.111 R)
• M42: 21,442,611 km (0.099 R)
• M43: 22,106,825 km (0.085 R)
• M44: 22,777,622 km (0.091 R)
• M45: 23,398,453 km (0.113 R)
• M46: 23,625,693 km (0.085 R)
• M47: 25,644,366 km (0.109 R)
• M48: 26,172,447 km (0.034 R)
• M49: 26,703,968 km (0.053 R)
• M50: 26,941,380 km (0.085 R)
• M51: 27,717,793 km (0.062 R)
• M52: 28,259,636 km (0.117 R)
• M53: 30,276,365 km (0.101 R)
• M54: 31,021,063 km (0.096 R)
• M55: 32,592,140 km (0.053 R)
• M56: 32,782,279 km (0.092 R)
• M57: 33,291,510 km (0.054 R)
• M58: 33,483,145 km (0.074 R)
• M59: 33,675,079 km (0.1 R)
• M60: 34,317,752 km (0.076 R)
• M61: 34,446,705 km (0.118 R)
• M62: 34,705,210 km (0.11 R)
• M63: 36,796,289 km (0.102 R)
• M64: 37,060,479 km (0.118 R)
• M65: 38,860,740 km (0.094 R)
• M66: 42,130,800 km (0.113 R)
• M67: 43,588,930 km (0.087 R)
• M68: 43,728,654 km (0.1 R)
• M69: 45,063,666 km (0.118 R)
• M70: 45,346,406 km (0.116 R)
• M71: 46,055,948 km (0.115 R)
• M72: 47,701,525 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 11.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 11.85 AU - 13.75 AU

Year: 13749 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 96,121,267 km

• M1: 148,401 km (0.095 R)
• M2: 337,792 km (0.113 R)
• M3: 426,653 km (0.12 R)
• M4: 515,365 km (0.069 R)
• M5: 679,773 km (0.11 R)
• M6: 927,806 km (0.116 R)
• M7: 1,076,805 km (0.103 R)
• M8: 1,369,120 km (0.101 R)
• M9: 1,446,163 km (0.07 R)
• M10: 1,605,036 km (0.099 R)
• M11: 1,974,991 km (0.105 R)
• M12: 2,098,409 km (0.106 R)
• M13: 2,242,622 km (0.076 R)
• M14: 2,932,717 km (0.073 R)
• M15: 3,364,307 km (0.117 R)
• M16: 3,555,493 km (0.101 R)
• M17: 4,968,145 km (0.08 R)
• M18: 5,358,297 km (0.101 R)
• M19: 5,733,189 km (0.076 R)
• M20: 5,860,048 km (0.103 R)
• M21: 6,614,320 km (0.115 R)
• M22: 7,344,059 km (0.042 R)
• M23: 7,565,164 km (0.108 R)
• M24: 8,184,649 km (0.079 R)
• M25: 8,385,260 km (0.079 R)
• M26: 8,558,494 km (0.101 R)
• M27: 9,925,520 km (0.102 R)
• M28: 10,447,915 km (0.112 R)
• M29: 10,634,464 km (0.116 R)
• M30: 10,790,644 km (0.025 R)
• M31: 11,042,417 km (0.117 R)
• M32: 11,137,262 km (0.038 R)
• M33: 12,133,434 km (0.109 R)
• M34: 12,395,081 km (0.114 R)
• M35: 12,758,006 km (0.069 R)
• M36: 13,024,140 km (0.115 R)
• M37: 13,629,712 km (0.066 R)
• M38: 14,141,337 km (0.113 R)
• M39: 14,382,339 km (0.115 R)
• M40: 14,555,274 km (0.119 R)
• M41: 15,218,741 km (0.09 R)
• M42: 15,785,119 km (0.089 R)
• M43: 16,322,324 km (0.12 R)
• M44: 17,378,037 km (0.115 R)
• M45: 17,636,093 km (0.085 R)
• M46: 18,907,974 km (0.093 R)
• M47: 19,097,515 km (0.069 R)
• M48: 19,900,406 km (0.114 R)
• M49: 20,016,046 km (0.104 R)
• M50: 20,558,487 km (0.114 R)
• M51: 20,792,458 km (0.111 R)
• M52: 21,105,866 km (0.066 R)
• M53: 21,263,093 km (0.088 R)
• M54: 21,499,757 km (0.092 R)
• M55: 21,578,745 km (0.076 R)
• M56: 21,697,526 km (0.04 R)
• M57: 22,897,300 km (0.084 R)
• M58: 23,831,689 km (0.097 R)
• M59: 24,036,488 km (0.077 R)
• M60: 24,654,477 km (0.095 R)
• M61: 24,861,521 km (0.116 R)
• M62: 25,695,828 km (0.03 R)
• M63: 26,158,534 km (0.072 R)
• M64: 27,263,314 km (0.108 R)
• M65: 27,606,342 km (0.027 R)
• M66: 27,864,548 km (0.1 R)
• M67: 29,036,199 km (0.103 R)
• M68: 29,342,725 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 21.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.8

Radius: 5.4

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 20.52 AU - 22.06 AU

Year: 29493 Days

Day: 24.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 96,121,267 km

• M1: 130,749 km (0.099 R)
• M2: 281,992 km (0.07 R)
• M3: 357,539 km (0.085 R)
• M4: 625,020 km (0.081 R)
• M5: 860,487 km (0.095 R)
• M6: 1,032,225 km (0.095 R)
• M7: 1,374,804 km (0.099 R)
• M8: 1,541,606 km (0.029 R)
• M9: 2,194,750 km (0.055 R)
• M10: 2,429,469 km (0.108 R)
• M11: 2,590,586 km (0.057 R)
• M12: 3,094,432 km (0.087 R)
• M13: 4,046,622 km (0.11 R)
• M14: 4,189,488 km (0.11 R)
• M15: 5,081,840 km (0.063 R)
• M16: 5,496,675 km (0.054 R)
• M17: 7,032,446 km (0.098 R)
• M18: 8,999,060 km (0.097 R)
• M19: 9,310,971 km (0.049 R)
• M20: 9,436,783 km (0.072 R)
• M21: 9,753,632 km (0.119 R)
• M22: 10,138,547 km (0.092 R)
• M23: 12,067,611 km (0.105 R)
• M24: 12,273,458 km (0.055 R)
• M25: 13,962,268 km (0.056 R)
• M26: 14,687,070 km (0.108 R)
• M27: 15,201,836 km (0.112 R)
• M28: 15,349,938 km (0.102 R)
• M29: 17,318,796 km (0.045 R)
• M30: 18,886,582 km (0.104 R)
• M31: 19,045,903 km (0.046 R)
• M32: 21,737,319 km (0.081 R)
• M33: 23,254,690 km (0.114 R)
• M34: 23,853,979 km (0.069 R)
• M35: 24,371,737 km (0.04 R)
• M36: 25,242,696 km (0.091 R)
• M37: 25,594,101 km (0.066 R)
• M38: 28,827,510 km (0.081 R)
• M39: 28,919,213 km (0.09 R)
• M40: 29,378,927 km (0.072 R)
• M41: 29,933,636 km (0.071 R)
• M42: 31,241,571 km (0.096 R)
• M43: 33,526,678 km (0.063 R)
• M44: 35,373,613 km (0.088 R)
• M45: 36,557,082 km (0.037 R)
• M46: 37,853,647 km (0.04 R)
• M47: 38,255,616 km (0.106 R)
• M48: 39,775,680 km (0.112 R)
• M49: 40,184,232 km (0.028 R)
• M50: 41,211,969 km (0.097 R)
• M51: 43,608,527 km (0.057 R)
• M52: 44,029,795 km (0.096 R)
• M53: 44,241,027 km (0.097 R)
• M54: 48,534,935 km (0.07 R)
• M55: 48,643,992 km (0.102 R)
• M56: 49,190,323 km (0.081 R)
• M57: 49,519,139 km (0.103 R)
• M58: 51,174,290 km (0.109 R)
• M59: 51,841,347 km (0.093 R)
• M60: 53,747,074 km (0.102 R)
• M61: 58,320,580 km (0.071 R)
• M62: 58,436,369 km (0.12 R)
• M63: 62,779,345 km (0.112 R)
• M64: 63,493,226 km (0.11 R)
• M65: 65,651,325 km (0.099 R)
• M66: 68,810,682 km (0.09 R)
• M67: 70,532,404 km (0.087 R)
• M68: 70,903,108 km (0.115 R)
• M69: 74,017,885 km (0.089 R)
• M70: 74,394,572 km (0.041 R)
• M71: 74,772,008 km (0.089 R)
• M72: 74,897,969 km (0.114 R)
• M73: 76,668,610 km (0.065 R)
• M74: 82,062,510 km (0.094 R)
• M75: 82,712,663 km (0.039 R)
• M76: 83,103,712 km (0.028 R)
• M77: 84,804,939 km (0.062 R)
• M78: 86,385,440 km (0.072 R)
• M79: 86,649,929 km (0.095 R)
• M80: 87,710,129 km (0.08 R)
• M81: 88,641,226 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 6.8

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 21.42 AU - 26.44 AU

Year: 35146 Days

Day: 22.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 96,121,267 km

• M1: 108,907 km (0.076 R)
• M2: 210,783 km (0.117 R)
• M3: 261,048 km (0.06 R)
• M4: 660,325 km (0.084 R)
• M5: 1,094,458 km (0.089 R)
• M6: 1,190,649 km (0.072 R)
• M7: 1,603,240 km (0.073 R)
• M8: 1,787,545 km (0.115 R)
• M9: 1,978,731 km (0.062 R)
• M10: 3,076,031 km (0.102 R)
• M11: 3,732,616 km (0.094 R)
• M12: 3,878,774 km (0.1 R)
• M13: 6,756,737 km (0.113 R)
• M14: 7,357,672 km (0.052 R)
• M15: 11,730,867 km (0.087 R)
• M16: 11,873,733 km (0.091 R)
• M17: 14,009,691 km (0.066 R)
• M18: 14,850,431 km (0.091 R)
• M19: 15,082,607 km (0.089 R)
• M20: 15,628,938 km (0.119 R)
• M21: 15,707,477 km (0.088 R)
• M22: 16,181,702 km (0.117 R)
• M23: 17,878,142 km (0.069 R)
• M24: 20,140,960 km (0.054 R)
• M25: 20,569,707 km (0.072 R)
• M26: 20,655,876 km (0.107 R)
• M27: 20,742,194 km (0.108 R)
• M28: 21,874,350 km (0.065 R)
• M29: 23,564,806 km (0.109 R)
• M30: 23,745,221 km (0.073 R)
• M31: 24,016,592 km (0.119 R)
• M32: 24,289,159 km (0.078 R)
• M33: 24,380,115 km (0.056 R)
• M34: 24,745,433 km (0.08 R)
• M35: 28,881,963 km (0.073 R)
• M36: 29,949,195 km (0.118 R)
• M37: 30,144,569 km (0.079 R)
• M38: 31,524,161 km (0.066 R)
• M39: 31,722,976 km (0.047 R)
• M40: 33,025,226 km (0.026 R)
• M41: 33,328,162 km (0.113 R)
• M42: 33,733,572 km (0.104 R)
• M43: 37,035,047 km (0.094 R)
• M44: 37,244,783 km (0.078 R)
• M45: 37,665,602 km (0.111 R)
• M46: 38,617,793 km (0.116 R)
• M47: 39,685,174 km (0.083 R)
• M48: 40,330,240 km (0.086 R)
• M49: 40,978,746 km (0.109 R)
• M50: 42,395,737 km (0.109 R)
• M51: 42,945,061 km (0.049 R)
• M52: 43,828,735 km (0.075 R)
• M53: 44,384,043 km (0.111 R)
• M54: 45,165,542 km (0.091 R)
• M55: 45,501,688 km (0.116 R)
• M56: 46,515,663 km (0.093 R)
• M57: 47,536,818 km (0.054 R)
• M58: 48,565,453 km (0.11 R)
• M59: 49,601,568 km (0.071 R)
• M60: 51,461,219 km (0.026 R)
• M61: 53,343,609 km (0.04 R)
• M62: 57,417,757 km (0.092 R)
• M63: 59,369,561 km (0.107 R)
• M64: 61,218,889 km (0.083 R)
• M65: 64,468,903 km (0.096 R)
• M66: 65,226,916 km (0.082 R)
• M67: 66,242,087 km (0.11 R)
• M68: 67,518,456 km (0.112 R)
• M69: 68,931,707 km (0.074 R)
• M70: 69,836,176 km (0.104 R)
• M71: 71,135,134 km (0.095 R)
• M72: 72,441,871 km (0.06 R)
• M73: 72,704,266 km (0.103 R)
• M74: 75,477,661 km (0.062 R)
• M75: 76,009,781 km (0.068 R)
• M76: 76,276,364 km (0.091 R)
• M77: 76,810,428 km (0.102 R)
• M78: 78,285,463 km (0.111 R)
• M79: 80,176,380 km (0.119 R)
• M80: 80,447,601 km (0.113 R)
• M81: 83,177,912 km (0.09 R)
• M82: 84,278,504 km (0.029 R)
• M83: 85,660,938 km (0.11 R)
• M84: 86,215,946 km (0.11 R)
• M85: 86,772,300 km (0.1 R)
• M86: 88,728,591 km (0.085 R)
• M87: 89,009,387 km (0.1 R)
• M88: 92,542,440 km (0.113 R)
• M89: 93,112,108 km (0.106 R)
• M90: 94,111,572 km (0.114 R)
• M91: 95,258,239 km (0.08 R)
• M92: 95,545,617 km (0.048 R)
• M93: 95,977,207 km (0.09 R)

Kuiper Belt

Range: 36.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 13,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit