🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.52 AU - 0.6 AU

Year: 160 Days

Day: 32.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 262 Days

Day: 38.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 47.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,476,851 km

• M1: 239,357 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.66 AU - 1.02 AU

Year: 293 Days

Day: 12.4 Hours

Environment

Temp: 48 °C

Axial Tilt: 58.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,476,851 km

• M1: 91,105 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.94 AU - 1.4 AU

Year: 482 Days

Day: 16.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.59 AU - 1.87 AU

Year: 866 Days

Day: 14.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.05 AU - 4.13 AU

Year: 2590 Days

Day: 33.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,476,851 km

• M1: 924,365 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 9.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.02 AU - 9.02 AU

Year: 10316 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 78,476,851 km

• M1: 194,627 km (0.086 R)
• M2: 368,460 km (0.093 R)
• M3: 471,383 km (0.098 R)
• M4: 625,917 km (0.087 R)
• M5: 768,185 km (0.091 R)
• M6: 1,002,306 km (0.095 R)
• M7: 1,136,645 km (0.088 R)
• M8: 1,386,473 km (0.073 R)
• M9: 1,653,954 km (0.088 R)
• M10: 1,834,668 km (0.057 R)
• M11: 2,644,442 km (0.102 R)
• M12: 2,761,726 km (0.077 R)
• M13: 2,880,657 km (0.068 R)
• M14: 3,025,617 km (0.1 R)
• M15: 3,247,770 km (0.106 R)
• M16: 3,323,018 km (0.113 R)
• M17: 3,449,727 km (0.043 R)
• M18: 3,526,471 km (0.103 R)
• M19: 3,813,100 km (0.115 R)
• M20: 4,053,205 km (0.098 R)
• M21: 4,917,880 km (0.026 R)
• M22: 5,777,021 km (0.094 R)
• M23: 5,868,575 km (0.056 R)
• M24: 5,960,578 km (0.079 R)
• M25: 6,428,071 km (0.046 R)
• M26: 7,004,472 km (0.105 R)
• M27: 8,103,866 km (0.055 R)
• M28: 8,172,232 km (0.101 R)
• M29: 8,343,971 km (0.106 R)
• M30: 8,796,205 km (0.075 R)
• M31: 9,256,368 km (0.093 R)
• M32: 9,471,340 km (0.11 R)
• M33: 9,760,663 km (0.059 R)
• M34: 9,833,517 km (0.071 R)
• M35: 10,200,181 km (0.045 R)
• M36: 11,326,803 km (0.079 R)
• M37: 11,518,438 km (0.1 R)
• M38: 11,749,866 km (0.062 R)
• M39: 11,943,744 km (0.041 R)
• M40: 12,809,916 km (0.06 R)
• M41: 13,009,629 km (0.104 R)
• M42: 13,290,873 km (0.112 R)
• M43: 14,436,045 km (0.104 R)
• M44: 14,727,312 km (0.062 R)
• M45: 14,936,450 km (0.117 R)
• M46: 15,146,784 km (0.115 R)
• M47: 15,315,531 km (0.077 R)
• M48: 15,570,146 km (0.039 R)
• M49: 15,783,174 km (0.119 R)
• M50: 15,954,463 km (0.074 R)
• M51: 16,298,688 km (0.119 R)
• M52: 16,428,539 km (0.099 R)
• M53: 17,346,322 km (0.093 R)
• M54: 17,434,585 km (0.065 R)
• M55: 17,611,559 km (0.113 R)
• M56: 18,821,955 km (0.109 R)
• M57: 20,012,754 km (0.114 R)
• M58: 20,384,056 km (0.083 R)
• M59: 20,710,778 km (0.103 R)
• M60: 21,606,420 km (0.083 R)
• M61: 21,844,281 km (0.073 R)
• M62: 23,192,008 km (0.066 R)
• M63: 24,072,541 km (0.114 R)
• M64: 24,616,030 km (0.04 R)
• M65: 24,914,179 km (0.112 R)
• M66: 25,413,836 km (0.113 R)
• M67: 25,967,198 km (0.107 R)
• M68: 26,321,446 km (0.068 R)
• M69: 27,085,891 km (0.117 R)
• M70: 28,376,023 km (0.116 R)
• M71: 28,532,203 km (0.081 R)
• M72: 29,159,767 km (0.047 R)
• M73: 29,527,927 km (0.053 R)
• M74: 30,695,090 km (0.036 R)
• M75: 30,909,014 km (0.047 R)
• M76: 31,499,627 km (0.105 R)
• M77: 32,202,438 km (0.111 R)
• M78: 32,582,865 km (0.082 R)
• M79: 33,129,196 km (0.038 R)
• M80: 33,458,461 km (0.088 R)
• M81: 33,623,468 km (0.057 R)
• M82: 34,286,186 km (0.068 R)
• M83: 35,176,593 km (0.102 R)
• M84: 36,866,450 km (0.081 R)
• M85: 36,979,995 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 13.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.53 AU - 11.97 AU

Year: 12496 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,476,851 km

• M1: 358,137 km (0.108 R)
• M2: 930,648 km (0.043 R)
• M3: 1,252,134 km (0.107 R)
• M4: 1,926,671 km (0.084 R)
• M5: 2,085,843 km (0.072 R)
• M6: 2,734,200 km (0.071 R)
• M7: 3,234,456 km (0.027 R)
• M8: 3,425,193 km (0.12 R)
• M9: 3,709,429 km (0.094 R)
• M10: 4,244,241 km (0.085 R)
• M11: 7,018,833 km (0.114 R)
• M12: 8,100,126 km (0.103 R)
• M13: 8,241,795 km (0.118 R)
• M14: 8,938,772 km (0.081 R)
• M15: 9,855,508 km (0.106 R)
• M16: 10,543,508 km (0.092 R)
• M17: 12,127,301 km (0.091 R)
• M18: 13,559,252 km (0.043 R)
• M19: 14,152,707 km (0.079 R)
• M20: 14,754,688 km (0.119 R)
• M21: 15,277,383 km (0.084 R)
• M22: 16,132,186 km (0.117 R)
• M23: 16,221,496 km (0.103 R)
• M24: 16,942,108 km (0.109 R)
• M25: 17,275,861 km (0.108 R)
• M26: 17,550,523 km (0.106 R)
• M27: 19,927,484 km (0.09 R)
• M28: 20,602,020 km (0.119 R)
• M29: 20,763,736 km (0.111 R)
• M30: 21,055,751 km (0.118 R)
• M31: 21,218,663 km (0.066 R)
• M32: 21,414,786 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.6

Radius: 4.1

Gravity: 31.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.14 AU - 19.4 AU

Year: 23848 Days

Day: 19 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 78,476,851 km

• M1: 53,406 km (0.101 R)
• M2: 87,365 km (0.077 R)
• M3: 154,086 km (0.079 R)
• M4: 240,404 km (0.099 R)
• M5: 342,579 km (0.112 R)
• M6: 398,978 km (0.12 R)
• M7: 927,806 km (0.092 R)
• M8: 1,534,725 km (0.082 R)
• M9: 2,133,266 km (0.113 R)
• M10: 2,757,538 km (0.105 R)
• M11: 2,990,611 km (0.087 R)
• M12: 3,189,576 km (0.086 R)
• M13: 4,426,152 km (0.1 R)
• M14: 4,790,573 km (0.115 R)
• M15: 5,596,606 km (0.107 R)
• M16: 5,792,430 km (0.12 R)
• M17: 5,940,681 km (0.058 R)
• M18: 6,649,027 km (0.115 R)
• M19: 6,908,430 km (0.092 R)
• M20: 7,171,124 km (0.091 R)
• M21: 8,421,163 km (0.106 R)
• M22: 9,795,519 km (0.077 R)
• M23: 11,299,277 km (0.091 R)
• M24: 12,109,200 km (0.067 R)
• M25: 12,425,599 km (0.112 R)
• M26: 12,937,673 km (0.073 R)
• M27: 15,257,337 km (0.075 R)
• M28: 15,943,393 km (0.057 R)
• M29: 16,779,645 km (0.105 R)
• M30: 16,920,417 km (0.025 R)
• M31: 18,205,014 km (0.108 R)
• M32: 18,932,059 km (0.072 R)
• M33: 19,225,570 km (0.087 R)
• M34: 19,446,676 km (0.086 R)
• M35: 20,790,813 km (0.088 R)
• M36: 22,087,677 km (0.084 R)
• M37: 22,784,653 km (0.114 R)
• M38: 24,200,448 km (0.108 R)
• M39: 27,281,116 km (0.106 R)
• M40: 27,363,844 km (0.105 R)
• M41: 28,363,008 km (0.09 R)
• M42: 28,614,632 km (0.116 R)
• M43: 32,040,124 km (0.116 R)
• M44: 32,652,877 km (0.112 R)
• M45: 33,712,030 km (0.065 R)
• M46: 34,335,105 km (0.069 R)
• M47: 34,424,415 km (0.106 R)
• M48: 34,692,793 km (0.078 R)
• M49: 37,231,469 km (0.062 R)
• M50: 38,060,092 km (0.117 R)
• M51: 39,454,494 km (0.102 R)
• M52: 40,016,982 km (0.104 R)
• M53: 40,676,559 km (0.109 R)
• M54: 40,865,650 km (0.111 R)
• M55: 41,055,041 km (0.107 R)
• M56: 42,006,334 km (0.075 R)
• M57: 42,772,574 km (0.102 R)
• M58: 42,868,766 km (0.076 R)
• M59: 44,708,520 km (0.083 R)
• M60: 45,001,283 km (0.082 R)
• M61: 45,490,768 km (0.063 R)
• M62: 45,785,326 km (0.084 R)
• M63: 47,864,736 km (0.111 R)
• M64: 49,570,451 km (0.087 R)
• M65: 50,380,075 km (0.106 R)
• M66: 53,558,132 km (0.114 R)
• M67: 55,642,629 km (0.106 R)
• M68: 55,747,647 km (0.092 R)
• M69: 56,800,516 km (0.097 R)
• M70: 56,906,132 km (0.077 R)
• M71: 57,753,604 km (0.12 R)
• M72: 58,072,547 km (0.103 R)
• M73: 58,285,425 km (0.04 R)
• M74: 58,925,853 km (0.108 R)
• M75: 59,032,666 km (0.115 R)
• M76: 59,675,787 km (0.05 R)
• M77: 61,401,848 km (0.111 R)
• M78: 61,618,765 km (0.061 R)
• M79: 61,727,373 km (0.073 R)
• M80: 61,944,589 km (0.104 R)
• M81: 62,380,068 km (0.079 R)
• M82: 63,253,720 km (0.092 R)
• M83: 63,801,846 km (0.104 R)
• M84: 64,792,633 km (0.109 R)
• M85: 70,614,982 km (0.114 R)
• M86: 71,982,157 km (0.04 R)
• M87: 72,554,369 km (0.057 R)
• M88: 73,473,199 km (0.093 R)
• M89: 74,858,475 km (0.063 R)
• M90: 75,786,730 km (0.108 R)
• M91: 76,485,502 km (0.078 R)
• M92: 76,718,874 km (0.12 R)
• M93: 78,476,799 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 18,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit