🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 13.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.67 AU - 0.75 AU

Year: 399 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,300,159 km

• M1: 170,392 km (0.059 R)
• M2: 993,629 km (0.09 R)
• M3: 1,478,625 km (0.054 R)
• M4: 1,989,053 km (0.097 R)
• M5: 2,441,886 km (0.07 R)
• M6: 2,964,132 km (0.079 R)
• M7: 3,692,225 km (0.076 R)
• M8: 4,331,158 km (0.115 R)
• M9: 4,763,645 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 10

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.76 AU - 0.96 AU

Year: 532 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,300,159 km

• M1: 124,316 km (0.111 R)
• M2: 460,313 km (0.118 R)
• M3: 882,328 km (0.12 R)
• M4: 1,200,673 km (0.115 R)
• M5: 1,590,225 km (0.116 R)
• M6: 1,901,688 km (0.118 R)
• M7: 2,235,890 km (0.049 R)
• M8: 2,661,645 km (0.075 R)
• M9: 3,395,722 km (0.104 R)
• M10: 4,044,678 km (0.092 R)
• M11: 5,112,806 km (0.086 R)
• M12: 5,766,400 km (0.12 R)
• M13: 6,416,851 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 9.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.97 AU - 2.63 AU

Year: 2326 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,300,159 km

• M1: 120,127 km (0.116 R)
• M2: 491,728 km (0.108 R)
• M3: 1,246,898 km (0.106 R)
• M4: 2,087,937 km (0.066 R)
• M5: 4,174,678 km (0.114 R)
• M6: 4,902,173 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348

Radius: 4.1

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.7 AU - 7.46 AU

Year: 11256 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,300,159 km

• M1: 51,611 km (0.073 R)
• M2: 272,567 km (0.095 R)
• M3: 467,493 km (0.08 R)
• M4: 629,508 km (0.068 R)
• M5: 1,048,681 km (0.117 R)
• M6: 1,294,321 km (0.094 R)
• M7: 1,456,784 km (0.118 R)
• M8: 1,963,472 km (0.076 R)
• M9: 2,248,157 km (0.104 R)
• M10: 2,428,273 km (0.096 R)
• M11: 3,360,267 km (0.055 R)
• M12: 4,369,903 km (0.066 R)
• M13: 4,884,221 km (0.104 R)
• M14: 7,545,717 km (0.096 R)
• M15: 9,023,893 km (0.094 R)
• M16: 9,295,264 km (0.092 R)
• M17: 10,045,647 km (0.114 R)
• M18: 12,206,438 km (0.111 R)
• M19: 15,737,397 km (0.114 R)
• M20: 17,558,601 km (0.097 R)
• M21: 19,817,380 km (0.091 R)
• M22: 20,819,685 km (0.069 R)
• M23: 21,373,048 km (0.074 R)
• M24: 21,774,419 km (0.079 R)
• M25: 26,341,642 km (0.102 R)
• M26: 29,683,957 km (0.059 R)
• M27: 32,342,312 km (0.112 R)
• M28: 33,084,167 km (0.082 R)
• M29: 34,601,838 km (0.056 R)
• M30: 39,673,056 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.8

Radius: 7.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.84 AU - 6.96 AU

Year: 12087 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,300,159 km

• M1: 95,743 km (0.117 R)
• M2: 599,139 km (0.066 R)
• M3: 1,547,740 km (0.077 R)
• M4: 1,996,084 km (0.113 R)
• M5: 2,323,255 km (0.085 R)
• M6: 4,678,374 km (0.063 R)
• M7: 6,218,484 km (0.108 R)
• M8: 11,672,224 km (0.103 R)
• M9: 12,361,721 km (0.116 R)
• M10: 14,919,545 km (0.115 R)
• M11: 15,634,324 km (0.038 R)
• M12: 17,029,623 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.8

Radius: 5.8

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.42 AU - 10.36 AU

Year: 17676 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,300,159 km

• M1: 74,649 km (0.117 R)
• M2: 262,395 km (0.091 R)
• M3: 728,392 km (0.108 R)
• M4: 1,317,808 km (0.107 R)
• M5: 1,562,101 km (0.027 R)
• M6: 2,689,022 km (0.119 R)
• M7: 3,216,055 km (0.111 R)
• M8: 6,275,331 km (0.1 R)
• M9: 8,107,457 km (0.054 R)
• M10: 8,308,367 km (0.083 R)
• M11: 9,979,674 km (0.109 R)
• M12: 12,451,629 km (0.086 R)
• M13: 12,786,728 km (0.109 R)
• M14: 18,304,197 km (0.114 R)
• M15: 25,544,734 km (0.077 R)
• M16: 28,327,404 km (0.083 R)
• M17: 28,558,383 km (0.094 R)
• M18: 34,354,852 km (0.064 R)
• M19: 36,630,684 km (0.113 R)
• M20: 40,595,028 km (0.109 R)
• M21: 41,035,893 km (0.116 R)
• M22: 46,419,471 km (0.076 R)
• M23: 47,712,745 km (0.109 R)
• M24: 49,865,458 km (0.051 R)
• M25: 51,393,002 km (0.113 R)
• M26: 62,382,761 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 7.3

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.3 AU - 10.2 AU

Year: 20302 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,300,159 km

• M1: 90,806 km (0.096 R)
• M2: 389,104 km (0.085 R)
• M3: 706,551 km (0.116 R)
• M4: 1,207,704 km (0.053 R)
• M5: 1,745,508 km (0.086 R)
• M6: 2,659,701 km (0.093 R)
• M7: 3,595,435 km (0.115 R)
• M8: 4,331,008 km (0.115 R)
• M9: 4,563,483 km (0.119 R)
• M10: 5,934,248 km (0.109 R)
• M11: 6,179,888 km (0.086 R)
• M12: 6,868,637 km (0.09 R)
• M13: 7,370,986 km (0.08 R)
• M14: 8,972,581 km (0.108 R)
• M15: 10,434,451 km (0.103 R)
• M16: 10,914,511 km (0.119 R)
• M17: 11,983,537 km (0.041 R)
• M18: 13,189,895 km (0.119 R)
• M19: 13,468,595 km (0.082 R)
• M20: 14,921,490 km (0.068 R)
• M21: 16,395,777 km (0.118 R)
• M22: 19,182,935 km (0.078 R)
• M23: 21,302,438 km (0.105 R)
• M24: 23,369,731 km (0.07 R)
• M25: 26,219,271 km (0.117 R)
• M26: 38,929,704 km (0.089 R)
• M27: 41,111,140 km (0.093 R)
• M28: 42,006,185 km (0.092 R)
• M29: 43,526,548 km (0.113 R)
• M30: 44,612,329 km (0.107 R)
• M31: 51,681,726 km (0.106 R)
• M32: 54,670,991 km (0.098 R)
• M33: 63,531,373 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.7

Radius: 6.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.3 AU - 10.2 AU

Year: 20302 Days

Day: 24.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,300,159 km

• M1: 78,090 km (0.086 R)
• M2: 277,803 km (0.093 R)
• M3: 514,467 km (0.097 R)
• M4: 1,136,046 km (0.115 R)
• M5: 1,443,470 km (0.097 R)
• M6: 1,916,798 km (0.109 R)
• M7: 2,430,517 km (0.093 R)
• M8: 2,647,882 km (0.119 R)
• M9: 3,009,610 km (0.11 R)
• M10: 3,284,421 km (0.09 R)
• M11: 5,464,511 km (0.097 R)
• M12: 5,666,917 km (0.116 R)
• M13: 8,019,792 km (0.088 R)
• M14: 8,776,608 km (0.057 R)
• M15: 12,168,440 km (0.11 R)
• M16: 12,689,939 km (0.087 R)
• M17: 17,776,565 km (0.034 R)
• M18: 18,523,208 km (0.078 R)
• M19: 19,368,586 km (0.086 R)
• M20: 21,053,357 km (0.087 R)
• M21: 23,183,481 km (0.118 R)
• M22: 23,448,419 km (0.098 R)
• M23: 29,283,185 km (0.066 R)
• M24: 29,904,614 km (0.092 R)
• M25: 31,496,485 km (0.05 R)
• M26: 31,821,412 km (0.068 R)
• M27: 34,963,715 km (0.103 R)
• M28: 36,729,419 km (0.072 R)
• M29: 38,553,466 km (0.103 R)
• M30: 38,925,516 km (0.087 R)
• M31: 39,676,497 km (0.085 R)
• M32: 45,344,461 km (0.057 R)
• M33: 46,315,351 km (0.045 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: 548 - 13,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit