🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.56 AU - 0.62 AU

Year: 288 Days

Day: 13 Hours

Environment

Temp: -119 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 9.5

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.58 AU - 0.9 AU

Year: 405 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,196,179 km

• M1: 118,332 km (0.067 R)
• M2: 497,114 km (0.071 R)
• M3: 1,043,445 km (0.098 R)
• M4: 1,372,112 km (0.057 R)
• M5: 1,711,250 km (0.102 R)
• M6: 2,326,546 km (0.104 R)
• M7: 2,641,150 km (0.087 R)
• M8: 3,310,451 km (0.119 R)
• M9: 3,647,944 km (0.1 R)
• M10: 4,142,814 km (0.086 R)
• M11: 4,681,815 km (0.117 R)
• M12: 5,030,378 km (0.097 R)
• M13: 5,678,137 km (0.038 R)

Asteroid Belt

Center: 1.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 11.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.55 AU - 2.23 AU

Year: 1652 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,196,179 km

• M1: 141,819 km (0.116 R)
• M2: 539,151 km (0.096 R)
• M3: 907,461 km (0.06 R)
• M4: 1,272,330 km (0.118 R)
• M5: 2,175,003 km (0.109 R)
• M6: 3,183,293 km (0.041 R)
• M7: 4,126,508 km (0.066 R)
• M8: 4,556,452 km (0.101 R)
• M9: 5,036,960 km (0.113 R)
• M10: 6,218,933 km (0.113 R)
• M11: 7,147,786 km (0.072 R)
• M12: 7,714,912 km (0.088 R)
• M13: 8,878,035 km (0.112 R)
• M14: 9,727,003 km (0.086 R)
• M15: 10,977,342 km (0.084 R)
• M16: 11,513,651 km (0.108 R)
• M17: 12,408,096 km (0.116 R)
• M18: 13,108,813 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.6

Radius: 14.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.59 AU - 2.49 AU

Year: 1853 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,196,179 km

• M1: 177,872 km (0.12 R)
• M2: 625,170 km (0.043 R)
• M3: 1,170,454 km (0.048 R)
• M4: 1,692,550 km (0.098 R)
• M5: 2,585,500 km (0.108 R)
• M6: 3,392,431 km (0.104 R)
• M7: 4,564,530 km (0.11 R)
• M8: 5,439,528 km (0.084 R)
• M9: 5,892,959 km (0.109 R)
• M10: 7,465,831 km (0.061 R)
• M11: 8,241,795 km (0.115 R)
• M12: 8,907,207 km (0.118 R)
• M13: 11,045,858 km (0.04 R)
• M14: 12,376,830 km (0.05 R)
• M15: 15,497,741 km (0.054 R)
• M16: 16,170,034 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 9.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.93 AU - 3.33 AU

Year: 3521 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,196,179 km

• M1: 118,182 km (0.063 R)
• M2: 780,901 km (0.06 R)
• M3: 1,141,432 km (0.109 R)
• M4: 2,200,285 km (0.116 R)
• M5: 3,181,348 km (0.063 R)
• M6: 4,489,432 km (0.112 R)
• M7: 5,264,050 km (0.093 R)
• M8: 6,348,335 km (0.059 R)
• M9: 7,978,204 km (0.104 R)
• M10: 8,395,433 km (0.062 R)
• M11: 9,080,441 km (0.025 R)
• M12: 11,286,262 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 8.8

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.05 AU - 6.07 AU

Year: 7237 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,196,179 km

• M1: 113,395 km (0.088 R)
• M2: 391,647 km (0.09 R)
• M3: 895,792 km (0.054 R)
• M4: 1,260,811 km (0.117 R)
• M5: 1,588,580 km (0.097 R)
• M6: 1,973,346 km (0.076 R)
• M7: 3,654,526 km (0.089 R)
• M8: 3,970,028 km (0.049 R)
• M9: 8,924,560 km (0.112 R)
• M10: 9,544,494 km (0.063 R)
• M11: 10,527,801 km (0.038 R)
• M12: 11,837,081 km (0.119 R)
• M13: 13,251,679 km (0.084 R)
• M14: 13,766,594 km (0.095 R)
• M15: 15,020,075 km (0.105 R)
• M16: 15,454,358 km (0.111 R)
• M17: 18,238,075 km (0.117 R)
• M18: 22,608,427 km (0.093 R)
• M19: 23,178,993 km (0.039 R)
• M20: 26,445,463 km (0.09 R)
• M21: 28,282,225 km (0.103 R)
• M22: 29,327,915 km (0.115 R)
• M23: 30,795,170 km (0.076 R)
• M24: 35,818,667 km (0.057 R)
• M25: 37,042,228 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 8.3

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.21 AU - 5.35 AU

Year: 7714 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,196,179 km

• M1: 104,569 km (0.073 R)
• M2: 481,256 km (0.119 R)
• M3: 913,145 km (0.053 R)
• M4: 1,200,673 km (0.075 R)
• M5: 1,903,783 km (0.105 R)
• M6: 3,042,521 km (0.104 R)
• M7: 3,819,682 km (0.109 R)
• M8: 4,554,058 km (0.054 R)
• M9: 5,410,506 km (0.101 R)
• M10: 5,696,986 km (0.112 R)
• M11: 5,960,129 km (0.107 R)
• M12: 6,511,098 km (0.076 R)
• M13: 7,996,305 km (0.097 R)
• M14: 8,709,588 km (0.12 R)
• M15: 11,309,300 km (0.09 R)
• M16: 11,673,571 km (0.109 R)
• M17: 12,370,846 km (0.063 R)
• M18: 14,265,354 km (0.099 R)
• M19: 14,937,647 km (0.114 R)
• M20: 18,262,609 km (0.108 R)
• M21: 21,097,638 km (0.067 R)
• M22: 22,212,142 km (0.077 R)
• M23: 26,513,530 km (0.116 R)
• M24: 27,810,693 km (0.052 R)
• M25: 28,379,314 km (0.11 R)
• M26: 29,344,370 km (0.075 R)
• M27: 30,731,891 km (0.093 R)
• M28: 31,852,229 km (0.091 R)
• M29: 33,317,391 km (0.105 R)
• M30: 34,936,488 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.3

Radius: 6.4

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.39 AU - 7.25 AU

Year: 10102 Days

Day: 16.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 77.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,196,179 km

• M1: 83,625 km (0.088 R)
• M2: 392,096 km (0.083 R)
• M3: 622,477 km (0.081 R)
• M4: 1,203,066 km (0.109 R)
• M5: 1,535,622 km (0.07 R)
• M6: 2,805,558 km (0.049 R)
• M7: 6,466,368 km (0.101 R)
• M8: 7,485,429 km (0.092 R)
• M9: 7,734,958 km (0.082 R)
• M10: 8,294,903 km (0.034 R)
• M11: 9,788,039 km (0.111 R)
• M12: 10,137,201 km (0.119 R)
• M13: 10,598,112 km (0.109 R)
• M14: 12,876,786 km (0.082 R)
• M15: 13,478,469 km (0.099 R)
• M16: 14,737,784 km (0.119 R)
• M17: 16,983,996 km (0.083 R)
• M18: 18,375,705 km (0.075 R)
• M19: 19,060,713 km (0.073 R)
• M20: 19,370,680 km (0.086 R)
• M21: 21,551,069 km (0.083 R)
• M22: 23,004,861 km (0.106 R)
• M23: 23,800,423 km (0.032 R)
• M24: 26,392,655 km (0.096 R)
• M25: 27,166,525 km (0.076 R)
• M26: 28,557,037 km (0.08 R)
• M27: 29,372,495 km (0.093 R)
• M28: 30,203,511 km (0.079 R)
• M29: 30,624,779 km (0.051 R)
• M30: 31,050,085 km (0.099 R)
• M31: 35,404,580 km (0.102 R)
• M32: 35,638,252 km (0.116 R)
• M33: 38,523,247 km (0.103 R)
• M34: 39,143,330 km (0.104 R)
• M35: 39,393,158 km (0.104 R)
• M36: 41,950,684 km (0.092 R)
• M37: 42,475,174 km (0.075 R)
• M38: 45,991,472 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948

Radius: 5.5

Gravity: 31.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.95 AU - 10.61 AU

Year: 16542 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,196,179 km

• M1: 68,965 km (0.068 R)
• M2: 1,139,487 km (0.025 R)
• M3: 1,654,852 km (0.092 R)
• M4: 1,888,823 km (0.075 R)
• M5: 2,630,828 km (0.07 R)
• M6: 2,899,805 km (0.104 R)
• M7: 3,187,183 km (0.07 R)
• M8: 4,068,015 km (0.106 R)
• M9: 4,530,272 km (0.057 R)
• M10: 4,703,656 km (0.09 R)
• M11: 5,598,551 km (0.117 R)
• M12: 6,128,127 km (0.09 R)
• M13: 6,646,035 km (0.074 R)
• M14: 7,239,490 km (0.059 R)
• M15: 8,118,676 km (0.07 R)
• M16: 8,584,075 km (0.077 R)
• M17: 9,231,834 km (0.117 R)
• M18: 11,370,934 km (0.066 R)
• M19: 18,644,083 km (0.095 R)
• M20: 21,821,991 km (0.093 R)
• M21: 27,238,182 km (0.105 R)
• M22: 31,811,239 km (0.091 R)
• M23: 35,763,765 km (0.053 R)
• M24: 37,150,686 km (0.083 R)
• M25: 47,050,625 km (0.118 R)
• M26: 51,109,365 km (0.108 R)
• M27: 51,283,496 km (0.117 R)
• M28: 53,761,136 km (0.091 R)
• M29: 61,868,443 km (0.084 R)
• M30: 68,615,756 km (0.099 R)
• M31: 73,819,668 km (0.118 R)
• M32: 74,042,120 km (0.08 R)
• M33: 74,488,071 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.8

Radius: 5.5

Gravity: 18.64 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.14 AU - 10.92 AU

Year: 18706 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,196,179 km

• M1: 68,366 km (0.114 R)
• M2: 363,373 km (0.074 R)
• M3: 986,897 km (0.078 R)
• M4: 1,224,907 km (0.043 R)
• M5: 1,409,362 km (0.111 R)
• M6: 2,964,431 km (0.104 R)
• M7: 3,547,265 km (0.07 R)
• M8: 4,798,202 km (0.085 R)
• M9: 5,044,141 km (0.108 R)
• M10: 6,359,705 km (0.06 R)
• M11: 6,742,974 km (0.076 R)
• M12: 7,096,624 km (0.05 R)
• M13: 7,792,703 km (0.111 R)
• M14: 8,331,405 km (0.035 R)
• M15: 9,428,406 km (0.058 R)
• M16: 9,703,067 km (0.115 R)
• M17: 11,218,644 km (0.1 R)
• M18: 11,968,727 km (0.083 R)
• M19: 21,774,718 km (0.046 R)
• M20: 23,737,891 km (0.112 R)
• M21: 24,452,071 km (0.042 R)
• M22: 25,923,067 km (0.118 R)
• M23: 27,230,104 km (0.068 R)
• M24: 29,156,027 km (0.117 R)
• M25: 30,211,589 km (0.116 R)
• M26: 33,276,850 km (0.112 R)
• M27: 39,446,864 km (0.058 R)
• M28: 41,319,530 km (0.084 R)
• M29: 42,500,755 km (0.104 R)
• M30: 46,179,815 km (0.094 R)
• M31: 47,291,477 km (0.058 R)
• M32: 51,916,894 km (0.065 R)
• M33: 60,910,419 km (0.057 R)
• M34: 61,290,248 km (0.08 R)
• M35: 67,179,317 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 19,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit