🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 8.5

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.64 AU - 0.72 AU

Year: 394 Days

Day: 8.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,938,007 km

• M1: 106,663 km (0.049 R)
• M2: 371,003 km (0.106 R)
• M3: 713,582 km (0.038 R)
• M4: 1,174,194 km (0.036 R)
• M5: 1,679,685 km (0.089 R)
• M6: 2,038,720 km (0.11 R)
• M7: 2,902,498 km (0.056 R)
• M8: 3,199,001 km (0.091 R)
• M9: 3,503,881 km (0.06 R)
• M10: 4,120,374 km (0.075 R)
• M11: 4,551,665 km (0.117 R)
• M12: 4,938,675 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 9.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.69 AU - 0.89 AU

Year: 494 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,938,007 km

• M1: 118,930 km (0.116 R)
• M2: 465,399 km (0.095 R)
• M3: 802,293 km (0.105 R)
• M4: 1,787,545 km (0.076 R)
• M5: 2,086,741 km (0.094 R)
• M6: 2,472,254 km (0.093 R)
• M7: 2,788,205 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 10.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.39 AU - 1.43 AU

Year: 1177 Days

Day: 6.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,938,007 km

• M1: 132,095 km (0.06 R)
• M2: 680,970 km (0.09 R)
• M3: 1,214,436 km (0.071 R)
• M4: 1,779,616 km (0.088 R)
• M5: 2,291,690 km (0.101 R)
• M6: 2,677,951 km (0.082 R)
• M7: 3,410,233 km (0.034 R)
• M8: 3,932,479 km (0.113 R)
• M9: 4,270,870 km (0.12 R)
• M10: 4,860,584 km (0.114 R)
• M11: 5,444,764 km (0.108 R)
• M12: 5,845,986 km (0.118 R)
• M13: 6,573,779 km (0.081 R)
• M14: 7,076,129 km (0.039 R)
• M15: 7,877,674 km (0.106 R)
• M16: 8,235,363 km (0.052 R)
• M17: 9,574,413 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 8.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.32 AU - 3.06 AU

Year: 3101 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 89.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,938,007 km

• M1: 112,498 km (0.105 R)
• M2: 477,816 km (0.086 R)
• M3: 878,738 km (0.061 R)
• M4: 1,165,966 km (0.083 R)
• M5: 1,800,261 km (0.102 R)
• M6: 2,154,060 km (0.12 R)
• M7: 3,570,901 km (0.049 R)
• M8: 4,097,037 km (0.062 R)
• M9: 4,754,819 km (0.082 R)
• M10: 5,369,965 km (0.093 R)
• M11: 6,013,386 km (0.047 R)
• M12: 6,378,554 km (0.117 R)
• M13: 7,234,553 km (0.064 R)
• M14: 8,921,568 km (0.083 R)
• M15: 9,237,070 km (0.076 R)
• M16: 9,856,854 km (0.11 R)
• M17: 10,963,130 km (0.117 R)
• M18: 11,620,613 km (0.115 R)
• M19: 12,537,947 km (0.093 R)
• M20: 13,054,509 km (0.096 R)
• M21: 13,420,575 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 11

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.67 AU - 4.77 AU

Year: 6094 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,938,007 km

• M1: 136,882 km (0.115 R)
• M2: 807,081 km (0.108 R)
• M3: 1,751,941 km (0.101 R)
• M4: 2,198,191 km (0.095 R)
• M5: 2,612,278 km (0.098 R)
• M6: 3,112,384 km (0.066 R)
• M7: 4,053,953 km (0.067 R)
• M8: 4,796,257 km (0.078 R)
• M9: 6,723,527 km (0.094 R)
• M10: 7,322,965 km (0.097 R)
• M11: 8,559,841 km (0.095 R)
• M12: 8,977,967 km (0.103 R)
• M13: 9,556,761 km (0.108 R)
• M14: 12,386,404 km (0.089 R)
• M15: 13,519,908 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.1

Radius: 5

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.02 AU - 10.52 AU

Year: 19839 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,938,007 km

• M1: 62,532 km (0.067 R)
• M2: 594,652 km (0.036 R)
• M3: 972,087 km (0.066 R)
• M4: 1,608,476 km (0.106 R)
• M5: 1,998,628 km (0.101 R)
• M6: 2,567,099 km (0.06 R)
• M7: 3,260,635 km (0.047 R)
• M8: 8,903,317 km (0.101 R)
• M9: 10,312,230 km (0.028 R)
• M10: 19,627,091 km (0.062 R)
• M11: 29,693,532 km (0.057 R)
• M12: 29,901,024 km (0.06 R)
• M13: 32,029,054 km (0.093 R)
• M14: 42,465,300 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.4

Radius: 3

Gravity: 45.38 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.56 AU - 11.38 AU

Year: 20485 Days

Day: 22.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,938,007 km

• M1: 42,187 km (0.114 R)
• M2: 138,827 km (0.068 R)
• M3: 614,099 km (0.097 R)
• M4: 828,623 km (0.083 R)
• M5: 925,113 km (0.117 R)
• M6: 1,480,271 km (0.042 R)
• M7: 1,690,007 km (0.083 R)
• M8: 1,955,992 km (0.081 R)
• M9: 2,109,031 km (0.104 R)
• M10: 2,208,513 km (0.097 R)
• M11: 2,504,268 km (0.102 R)
• M12: 3,691,028 km (0.078 R)
• M13: 3,806,667 km (0.08 R)
• M14: 4,014,908 km (0.093 R)
• M15: 4,230,777 km (0.105 R)
• M16: 5,207,951 km (0.091 R)
• M17: 6,533,986 km (0.063 R)
• M18: 13,874,903 km (0.087 R)
• M19: 14,296,321 km (0.067 R)
• M20: 15,387,188 km (0.102 R)
• M21: 15,914,670 km (0.045 R)
• M22: 16,298,838 km (0.067 R)
• M23: 18,062,597 km (0.1 R)
• M24: 22,825,344 km (0.028 R)
• M25: 24,922,856 km (0.096 R)
• M26: 26,177,383 km (0.116 R)
• M27: 26,604,785 km (0.088 R)
• M28: 27,693,408 km (0.054 R)
• M29: 28,248,865 km (0.063 R)
• M30: 29,152,735 km (0.116 R)
• M31: 30,426,861 km (0.114 R)
• M32: 31,858,512 km (0.091 R)
• M33: 33,962,756 km (0.038 R)
• M34: 36,422,145 km (0.085 R)
• M35: 38,034,959 km (0.06 R)
• M36: 48,401,344 km (0.071 R)
• M37: 49,206,480 km (0.115 R)
• M38: 56,325,393 km (0.1 R)
• M39: 63,139,427 km (0.088 R)
• M40: 65,071,035 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.2

Radius: 3.1

Gravity: 21.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.35 AU - 11.99 AU

Year: 21137 Days

Day: 18.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,938,007 km

• M1: 390,450 km (0.106 R)
• M2: 557,551 km (0.092 R)
• M3: 699,819 km (0.074 R)
• M4: 1,001,857 km (0.051 R)
• M5: 1,709,604 km (0.051 R)
• M6: 2,232,150 km (0.103 R)
• M7: 4,219,558 km (0.067 R)
• M8: 7,877,973 km (0.112 R)
• M9: 10,053,575 km (0.101 R)
• M10: 11,707,380 km (0.071 R)
• M11: 15,263,172 km (0.108 R)
• M12: 15,823,565 km (0.118 R)
• M13: 18,912,163 km (0.086 R)
• M14: 20,135,574 km (0.048 R)
• M15: 23,839,917 km (0.118 R)
• M16: 27,870,083 km (0.056 R)
• M17: 31,763,368 km (0.088 R)
• M18: 35,393,510 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 6.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.82 AU - 10.64 AU

Year: 21334 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,938,007 km

• M1: 87,964 km (0.09 R)
• M2: 404,064 km (0.065 R)
• M3: 668,702 km (0.103 R)
• M4: 1,732,044 km (0.116 R)
• M5: 2,722,831 km (0.034 R)
• M6: 3,987,980 km (0.108 R)
• M7: 4,294,356 km (0.097 R)
• M8: 4,550,618 km (0.093 R)
• M9: 9,300,051 km (0.045 R)
• M10: 10,286,499 km (0.115 R)
• M11: 14,789,993 km (0.079 R)
• M12: 16,909,197 km (0.085 R)
• M13: 25,390,499 km (0.103 R)
• M14: 29,088,259 km (0.088 R)
• M15: 30,240,462 km (0.089 R)
• M16: 36,859,868 km (0.093 R)
• M17: 38,756,919 km (0.11 R)
• M18: 48,262,218 km (0.099 R)
• M19: 55,627,669 km (0.117 R)
• M20: 58,845,070 km (0.097 R)
• M21: 62,562,877 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.8

Radius: 3.6

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.02 AU - 10.16 AU

Year: 22529 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,938,007 km

• M1: 46,076 km (0.107 R)
• M2: 262,395 km (0.077 R)
• M3: 703,260 km (0.036 R)
• M4: 860,786 km (0.104 R)
• M5: 1,411,905 km (0.111 R)
• M6: 1,709,006 km (0.101 R)
• M7: 2,029,295 km (0.054 R)
• M8: 2,185,924 km (0.112 R)
• M9: 2,746,168 km (0.095 R)
• M10: 4,061,732 km (0.114 R)
• M11: 5,444,016 km (0.095 R)
• M12: 5,712,843 km (0.105 R)
• M13: 7,433,069 km (0.115 R)
• M14: 7,805,867 km (0.12 R)
• M15: 8,234,615 km (0.113 R)
• M16: 8,366,261 km (0.09 R)
• M17: 10,007,350 km (0.114 R)
• M18: 12,131,939 km (0.094 R)
• M19: 13,000,504 km (0.094 R)
• M20: 13,602,037 km (0.107 R)
• M21: 15,318,672 km (0.091 R)
• M22: 15,786,166 km (0.1 R)
• M23: 16,332,048 km (0.089 R)
• M24: 16,470,426 km (0.086 R)
• M25: 17,389,406 km (0.072 R)
• M26: 31,106,932 km (0.103 R)
• M27: 31,640,698 km (0.09 R)
• M28: 39,392,411 km (0.078 R)
• M29: 44,845,402 km (0.087 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: 474 - 17,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit