🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.14 AU - 1.36 AU

Year: 510 Days

Day: 13.3 Hours

Environment

Temp: -0 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.68 AU - 2.96 AU

Year: 1730 Days

Day: 45.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,597,980 km

• M1: 1,103,883 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.65 AU - 3.25 AU

Year: 1851 Days

Day: 25.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,597,980 km

• M1: 48,919 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.98 AU - 3.18 AU

Year: 1974 Days

Day: 15.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,597,980 km

• M1: 1,667,119 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.57 AU - 3.63 AU

Year: 1994 Days

Day: 37.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,597,980 km

• M1: 827,426 km (0.074 R)
• M2: 2,773,395 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.58 AU - 3.72 AU

Year: 2042 Days

Day: 41.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 83.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.19 AU - 3.85 AU

Year: 2412 Days

Day: 37.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,597,980 km

• M1: 1,970,802 km (0.045 R)

Asteroid Belt

Center: 8.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.7

Radius: 5.9

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.64 AU - 16.82 AU

Year: 18582 Days

Day: 23.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 80,597,980 km

• M1: 106,364 km (0.089 R)
• M2: 304,731 km (0.097 R)
• M3: 353,649 km (0.086 R)
• M4: 517,758 km (0.026 R)
• M5: 619,335 km (0.104 R)
• M6: 1,167,761 km (0.119 R)
• M7: 1,330,374 km (0.101 R)
• M8: 1,617,602 km (0.098 R)
• M9: 1,892,413 km (0.101 R)
• M10: 2,874,074 km (0.09 R)
• M11: 3,906,748 km (0.072 R)
• M12: 4,867,915 km (0.079 R)
• M13: 4,954,831 km (0.042 R)
• M14: 5,851,820 km (0.107 R)
• M15: 5,944,271 km (0.082 R)
• M16: 6,037,321 km (0.11 R)
• M17: 6,366,437 km (0.039 R)
• M18: 7,239,191 km (0.097 R)
• M19: 7,588,801 km (0.107 R)
• M20: 8,460,358 km (0.059 R)
• M21: 8,934,434 km (0.119 R)
• M22: 8,987,690 km (0.114 R)
• M23: 9,363,181 km (0.12 R)
• M24: 10,129,571 km (0.025 R)
• M25: 11,316,331 km (0.087 R)
• M26: 11,489,416 km (0.058 R)
• M27: 12,665,853 km (0.038 R)
• M28: 12,725,692 km (0.087 R)
• M29: 13,146,960 km (0.114 R)
• M30: 15,577,177 km (0.102 R)
• M31: 15,641,355 km (0.106 R)
• M32: 16,678,966 km (0.089 R)
• M33: 18,074,265 km (0.11 R)
• M34: 18,412,057 km (0.097 R)
• M35: 19,162,440 km (0.049 R)
• M36: 20,411,582 km (0.083 R)
• M37: 20,622,366 km (0.093 R)
• M38: 20,692,826 km (0.104 R)
• M39: 22,334,214 km (0.068 R)
• M40: 22,623,985 km (0.114 R)
• M41: 24,239,642 km (0.056 R)
• M42: 24,986,285 km (0.082 R)
• M43: 25,588,865 km (0.079 R)
• M44: 25,968,096 km (0.079 R)
• M45: 27,580,611 km (0.087 R)
• M46: 27,813,535 km (0.078 R)
• M47: 31,954,704 km (0.056 R)
• M48: 34,096,197 km (0.098 R)
• M49: 34,596,901 km (0.064 R)
• M50: 34,680,526 km (0.055 R)
• M51: 35,774,685 km (0.116 R)
• M52: 36,368,589 km (0.111 R)
• M53: 36,453,710 km (0.118 R)
• M54: 37,308,363 km (0.038 R)
• M55: 39,037,265 km (0.104 R)
• M56: 39,298,912 km (0.107 R)
• M57: 39,736,186 km (0.094 R)
• M58: 39,823,851 km (0.095 R)
• M59: 40,263,070 km (0.088 R)
• M60: 40,527,410 km (0.055 R)
• M61: 40,969,172 km (0.072 R)
• M62: 41,857,634 km (0.081 R)
• M63: 42,304,183 km (0.111 R)
• M64: 42,662,470 km (0.092 R)
• M65: 43,472,543 km (0.03 R)
• M66: 43,834,270 km (0.117 R)
• M67: 44,106,239 km (0.116 R)
• M68: 44,196,896 km (0.1 R)
• M69: 44,651,673 km (0.077 R)
• M70: 44,834,033 km (0.115 R)
• M71: 45,841,126 km (0.046 R)
• M72: 46,301,439 km (0.041 R)
• M73: 48,625,741 km (0.081 R)
• M74: 49,471,717 km (0.076 R)
• M75: 51,178,329 km (0.1 R)
• M76: 51,369,216 km (0.056 R)
• M77: 53,193,562 km (0.101 R)
• M78: 53,386,843 km (0.111 R)
• M79: 57,697,804 km (0.105 R)
• M80: 58,095,136 km (0.06 R)
• M81: 59,393,047 km (0.073 R)
• M82: 60,095,858 km (0.088 R)
• M83: 61,003,469 km (0.09 R)
• M84: 62,220,746 km (0.092 R)
• M85: 66,751,916 km (0.114 R)
• M86: 68,320,749 km (0.073 R)
• M87: 69,057,070 km (0.052 R)
• M88: 69,162,536 km (0.07 R)
• M89: 69,901,699 km (0.108 R)
• M90: 70,113,530 km (0.077 R)
• M91: 70,643,705 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.2

Radius: 3.1

Gravity: 80.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 11.99 AU - 17.35 AU

Year: 20523 Days

Day: 17.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 80,597,980 km

• M1: 96,191 km (0.117 R)
• M2: 144,512 km (0.089 R)
• M3: 807,529 km (0.094 R)
• M4: 1,222,514 km (0.059 R)
• M5: 1,999,824 km (0.114 R)
• M6: 2,213,600 km (0.119 R)
• M7: 2,286,603 km (0.07 R)
• M8: 2,397,455 km (0.107 R)
• M9: 2,701,588 km (0.069 R)
• M10: 2,937,653 km (0.066 R)
• M11: 3,139,311 km (0.081 R)
• M12: 4,213,424 km (0.089 R)
• M13: 6,139,497 km (0.111 R)
• M14: 6,763,170 km (0.112 R)
• M15: 7,136,267 km (0.081 R)
• M16: 7,189,973 km (0.03 R)
• M17: 7,352,287 km (0.092 R)
• M18: 7,680,654 km (0.118 R)
• M19: 7,957,859 km (0.098 R)
• M20: 8,636,435 km (0.084 R)
• M21: 8,693,731 km (0.116 R)
• M22: 9,333,262 km (0.078 R)
• M23: 11,278,034 km (0.067 R)
• M24: 11,719,497 km (0.092 R)
• M25: 11,846,805 km (0.069 R)
• M26: 12,749,927 km (0.117 R)
• M27: 13,541,450 km (0.107 R)
• M28: 16,009,665 km (0.1 R)
• M29: 16,150,736 km (0.103 R)
• M30: 17,078,093 km (0.106 R)
• M31: 17,876,198 km (0.086 R)
• M32: 18,095,957 km (0.106 R)
• M33: 18,612,219 km (0.059 R)
• M34: 18,686,420 km (0.102 R)
• M35: 18,760,620 km (0.1 R)
• M36: 18,909,470 km (0.036 R)
• M37: 19,433,212 km (0.091 R)
• M38: 19,583,708 km (0.096 R)
• M39: 19,734,652 km (0.089 R)
• M40: 21,033,161 km (0.105 R)
• M41: 21,110,354 km (0.057 R)
• M42: 21,342,530 km (0.105 R)
• M43: 23,470,709 km (0.1 R)
• M44: 25,830,616 km (0.116 R)
• M45: 26,161,975 km (0.059 R)
• M46: 26,411,354 km (0.068 R)
• M47: 26,996,432 km (0.071 R)
• M48: 28,264,722 km (0.117 R)
• M49: 28,520,684 km (0.043 R)
• M50: 29,811,864 km (0.106 R)
• M51: 30,246,445 km (0.08 R)
• M52: 31,210,155 km (0.066 R)
• M53: 31,739,881 km (0.062 R)
• M54: 32,718,999 km (0.102 R)
• M55: 33,798,198 km (0.052 R)
• M56: 33,888,705 km (0.068 R)
• M57: 34,160,524 km (0.074 R)
• M58: 34,797,811 km (0.094 R)
• M59: 35,347,134 km (0.104 R)
• M60: 36,732,860 km (0.025 R)
• M61: 37,760,298 km (0.05 R)
• M62: 38,042,140 km (0.071 R)
• M63: 39,271,685 km (0.052 R)
• M64: 42,352,952 km (0.117 R)
• M65: 43,233,485 km (0.108 R)
• M66: 44,615,022 km (0.11 R)
• M67: 44,913,021 km (0.119 R)
• M68: 46,613,799 km (0.061 R)
• M69: 48,641,598 km (0.117 R)
• M70: 49,050,599 km (0.092 R)
• M71: 50,181,259 km (0.114 R)
• M72: 51,528,538 km (0.082 R)
• M73: 53,202,837 km (0.033 R)
• M74: 54,576,445 km (0.112 R)
• M75: 55,427,357 km (0.075 R)
• M76: 58,549,016 km (0.084 R)
• M77: 59,310,918 km (0.057 R)
• M78: 63,169,795 km (0.112 R)
• M79: 64,175,243 km (0.07 R)
• M80: 65,636,664 km (0.088 R)
• M81: 66,201,695 km (0.068 R)
• M82: 67,336,545 km (0.11 R)
• M83: 68,134,649 km (0.089 R)
• M84: 68,936,045 km (0.117 R)
• M85: 70,086,303 km (0.116 R)
• M86: 71,823,434 km (0.116 R)
• M87: 71,939,671 km (0.089 R)
• M88: 72,638,892 km (0.048 R)
• M89: 75,458,213 km (0.031 R)
• M90: 78,432,668 km (0.116 R)
• M91: 78,672,323 km (0.116 R)
• M92: 79,152,233 km (0.057 R)
• M93: 79,753,617 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit