🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 8.4

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 9.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,038,401 km

• M1: 104,569 km (0.08 R)
• M2: 385,663 km (0.072 R)
• M3: 658,829 km (0.082 R)
• M4: 1,011,880 km (0.109 R)
• M5: 1,502,262 km (0.113 R)
• M6: 1,887,476 km (0.083 R)
• M7: 2,553,336 km (0.11 R)
• M8: 3,065,111 km (0.115 R)
• M9: 3,863,664 km (0.109 R)
• M10: 4,229,581 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 11.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.96 AU - 1.1 AU

Year: 722 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,038,401 km

• M1: 146,756 km (0.047 R)
• M2: 589,416 km (0.047 R)
• M3: 1,225,805 km (0.097 R)
• M4: 1,738,477 km (0.047 R)
• M5: 2,249,204 km (0.086 R)
• M6: 2,629,332 km (0.111 R)
• M7: 3,090,094 km (0.043 R)
• M8: 3,817,438 km (0.114 R)
• M9: 4,705,451 km (0.086 R)
• M10: 5,225,753 km (0.095 R)
• M11: 5,745,605 km (0.087 R)
• M12: 6,198,289 km (0.117 R)
• M13: 7,469,721 km (0.102 R)
• M14: 7,866,454 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 8.3

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.36 AU - 1.38 AU

Year: 1107 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,038,401 km

• M1: 103,223 km (0.108 R)
• M2: 369,357 km (0.103 R)
• M3: 696,378 km (0.098 R)
• M4: 994,975 km (0.064 R)
• M5: 1,486,554 km (0.115 R)
• M6: 1,862,045 km (0.06 R)
• M7: 2,243,070 km (0.084 R)
• M8: 2,550,045 km (0.105 R)
• M9: 2,831,588 km (0.119 R)
• M10: 3,488,473 km (0.071 R)
• M11: 3,935,770 km (0.12 R)
• M12: 4,420,767 km (0.091 R)
• M13: 5,552,175 km (0.087 R)
• M14: 5,983,765 km (0.118 R)
• M15: 6,460,982 km (0.082 R)
• M16: 7,111,584 km (0.067 R)
• M17: 9,148,209 km (0.075 R)
• M18: 9,446,507 km (0.1 R)
• M19: 9,905,922 km (0.107 R)
• M20: 10,639,101 km (0.11 R)
• M21: 11,476,700 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 14.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.78 AU - 2.82 AU

Year: 2408 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,038,401 km

• M1: 177,872 km (0.087 R)
• M2: 663,317 km (0.106 R)
• M3: 1,164,619 km (0.049 R)
• M4: 1,974,243 km (0.111 R)
• M5: 2,765,017 km (0.044 R)
• M6: 3,796,345 km (0.113 R)
• M7: 4,463,552 km (0.092 R)
• M8: 5,048,180 km (0.114 R)
• M9: 5,857,056 km (0.07 R)
• M10: 6,586,794 km (0.078 R)
• M11: 7,288,857 km (0.098 R)
• M12: 9,010,130 km (0.11 R)
• M13: 9,593,412 km (0.107 R)
• M14: 11,182,291 km (0.113 R)
• M15: 11,655,469 km (0.084 R)
• M16: 12,390,593 km (0.084 R)
• M17: 13,156,235 km (0.09 R)
• M18: 13,863,235 km (0.11 R)
• M19: 17,626,070 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 14.1

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.86 AU - 2.9 AU

Year: 2534 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,038,401 km

• M1: 175,329 km (0.094 R)
• M2: 626,516 km (0.063 R)
• M3: 1,290,730 km (0.098 R)
• M4: 2,288,997 km (0.117 R)
• M5: 3,048,505 km (0.093 R)
• M6: 3,560,878 km (0.095 R)
• M7: 4,637,534 km (0.105 R)
• M8: 5,242,657 km (0.105 R)
• M9: 5,735,882 km (0.088 R)
• M10: 7,261,032 km (0.108 R)
• M11: 9,209,993 km (0.071 R)
• M12: 9,725,507 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.3

Radius: 5.4

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.72 AU - 7.56 AU

Year: 10502 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,038,401 km

• M1: 67,169 km (0.095 R)
• M2: 573,857 km (0.063 R)
• M3: 759,359 km (0.103 R)
• M4: 1,051,224 km (0.097 R)
• M5: 1,745,059 km (0.029 R)
• M6: 2,069,537 km (0.063 R)
• M7: 2,727,917 km (0.057 R)
• M8: 2,975,801 km (0.118 R)
• M9: 3,756,103 km (0.086 R)
• M10: 4,728,190 km (0.113 R)
• M11: 6,703,630 km (0.104 R)
• M12: 7,368,144 km (0.112 R)
• M13: 7,760,689 km (0.047 R)
• M14: 9,883,632 km (0.115 R)
• M15: 10,523,612 km (0.104 R)
• M16: 11,592,937 km (0.11 R)
• M17: 11,768,116 km (0.097 R)
• M18: 12,794,657 km (0.101 R)
• M19: 13,170,896 km (0.114 R)
• M20: 13,879,690 km (0.099 R)
• M21: 14,077,309 km (0.075 R)
• M22: 15,797,984 km (0.12 R)
• M23: 16,013,405 km (0.032 R)
• M24: 16,523,982 km (0.111 R)
• M25: 18,435,694 km (0.109 R)
• M26: 19,900,107 km (0.104 R)
• M27: 22,692,202 km (0.062 R)
• M28: 29,578,790 km (0.071 R)
• M29: 34,146,612 km (0.098 R)
• M30: 36,222,581 km (0.093 R)
• M31: 37,994,269 km (0.119 R)
• M32: 40,758,688 km (0.099 R)
• M33: 42,674,438 km (0.068 R)
• M34: 42,952,840 km (0.067 R)
• M35: 48,024,507 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.4

Radius: 3

Gravity: 102.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.09 AU - 7.95 AU

Year: 11492 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 91,038,401 km

• M1: 38,447 km (0.116 R)
• M2: 189,690 km (0.104 R)
• M3: 293,062 km (0.069 R)
• M4: 522,246 km (0.08 R)
• M5: 910,901 km (0.098 R)
• M6: 1,067,979 km (0.039 R)
• M7: 1,309,879 km (0.085 R)
• M8: 3,476,056 km (0.066 R)
• M9: 3,831,650 km (0.114 R)
• M10: 3,945,644 km (0.035 R)
• M11: 5,284,844 km (0.113 R)
• M12: 5,979,576 km (0.086 R)
• M13: 6,094,617 km (0.11 R)
• M14: 6,211,004 km (0.083 R)
• M15: 6,815,978 km (0.063 R)
• M16: 7,863,762 km (0.118 R)
• M17: 9,318,751 km (0.081 R)
• M18: 9,894,254 km (0.109 R)
• M19: 11,231,659 km (0.104 R)
• M20: 17,162,466 km (0.09 R)
• M21: 17,551,121 km (0.099 R)
• M22: 17,945,611 km (0.054 R)
• M23: 18,105,082 km (0.085 R)
• M24: 19,836,378 km (0.056 R)
• M25: 23,055,725 km (0.091 R)
• M26: 24,008,065 km (0.086 R)
• M27: 28,187,530 km (0.072 R)
• M28: 30,053,763 km (0.052 R)
• M29: 32,470,966 km (0.032 R)
• M30: 33,787,277 km (0.083 R)
• M31: 38,873,605 km (0.031 R)
• M32: 40,220,435 km (0.107 R)
• M33: 40,493,451 km (0.115 R)
• M34: 42,864,427 km (0.056 R)
• M35: 44,156,355 km (0.111 R)
• M36: 47,880,743 km (0.11 R)
• M37: 48,187,419 km (0.109 R)
• M38: 48,341,206 km (0.07 R)
• M39: 48,495,441 km (0.099 R)
• M40: 54,934,283 km (0.107 R)
• M41: 55,777,117 km (0.111 R)
• M42: 56,628,479 km (0.072 R)

Asteroid Belt

Center: 7.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.3

Radius: 4.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.68 AU - 9.86 AU

Year: 19482 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,038,401 km

• M1: 62,382 km (0.094 R)
• M2: 422,016 km (0.077 R)
• M3: 1,493,286 km (0.112 R)
• M4: 1,868,777 km (0.074 R)
• M5: 2,323,554 km (0.11 R)
• M6: 2,536,881 km (0.076 R)
• M7: 2,848,792 km (0.119 R)
• M8: 3,139,461 km (0.074 R)
• M9: 3,327,954 km (0.055 R)
• M10: 3,624,906 km (0.041 R)
• M11: 4,271,767 km (0.068 R)
• M12: 4,897,984 km (0.063 R)
• M13: 5,249,539 km (0.106 R)
• M14: 6,111,073 km (0.104 R)
• M15: 6,983,378 km (0.045 R)
• M16: 8,465,444 km (0.087 R)
• M17: 8,692,983 km (0.086 R)
• M18: 14,991,203 km (0.068 R)
• M19: 15,730,964 km (0.102 R)
• M20: 16,778,448 km (0.119 R)
• M21: 26,014,172 km (0.076 R)
• M22: 29,926,306 km (0.087 R)
• M23: 32,407,985 km (0.066 R)
• M24: 32,965,088 km (0.091 R)
• M25: 33,755,712 km (0.116 R)
• M26: 33,983,849 km (0.109 R)
• M27: 36,803,021 km (0.055 R)
• M28: 41,057,884 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.2

Radius: 7.6

Gravity: 16.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.19 AU - 11.87 AU

Year: 21926 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,038,401 km

• M1: 95,743 km (0.073 R)
• M2: 661,073 km (0.095 R)
• M3: 1,230,143 km (0.087 R)
• M4: 1,481,617 km (0.071 R)
• M5: 1,806,245 km (0.091 R)
• M6: 2,405,534 km (0.118 R)
• M7: 3,422,500 km (0.101 R)
• M8: 3,700,603 km (0.114 R)
• M9: 4,060,984 km (0.113 R)
• M10: 5,084,832 km (0.117 R)
• M11: 6,091,326 km (0.072 R)
• M12: 8,271,715 km (0.119 R)
• M13: 10,342,000 km (0.107 R)
• M14: 15,225,323 km (0.087 R)
• M15: 17,025,434 km (0.073 R)
• M16: 20,940,710 km (0.114 R)
• M17: 24,725,686 km (0.104 R)
• M18: 28,063,962 km (0.112 R)
• M19: 29,070,307 km (0.096 R)
• M20: 33,336,838 km (0.115 R)
• M21: 34,322,838 km (0.107 R)
• M22: 36,947,233 km (0.103 R)
• M23: 41,290,658 km (0.026 R)
• M24: 43,751,992 km (0.098 R)
• M25: 46,657,781 km (0.058 R)
• M26: 48,247,108 km (0.065 R)
• M27: 50,790,422 km (0.05 R)
• M28: 57,939,854 km (0.103 R)
• M29: 64,207,107 km (0.118 R)
• M30: 66,392,582 km (0.109 R)
• M31: 67,951,691 km (0.108 R)
• M32: 79,056,640 km (0.102 R)
• M33: 82,073,880 km (0.181 R)
• M34: 83,869,054 km (0.066 R)
• M35: 85,428,462 km (0.085 R)
• M36: 85,952,504 km (0.03 R)
• M37: 88,604,874 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit