🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 14.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,472,175 km

• M1: 187,596 km (0.1 R)
• M2: 794,514 km (0.077 R)
• M3: 1,322,744 km (0.059 R)
• M4: 1,882,689 km (0.105 R)
• M5: 2,645,638 km (0.063 R)
• M6: 3,413,375 km (0.109 R)
• M7: 4,177,820 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 10.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.03 AU

Year: 523 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,472,175 km

• M1: 135,536 km (0.102 R)
• M2: 594,951 km (0.072 R)
• M3: 1,133,353 km (0.043 R)
• M4: 1,504,207 km (0.037 R)
• M5: 2,032,736 km (0.061 R)
• M6: 2,600,460 km (0.06 R)
• M7: 3,235,952 km (0.077 R)
• M8: 3,732,467 km (0.032 R)
• M9: 4,351,353 km (0.075 R)
• M10: 6,246,459 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 9.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.85 AU - 1.27 AU

Year: 728 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,472,175 km

• M1: 123,119 km (0.082 R)
• M2: 433,535 km (0.084 R)
• M3: 766,091 km (0.093 R)
• M4: 1,134,251 km (0.117 R)
• M5: 1,790,537 km (0.111 R)
• M6: 2,373,969 km (0.1 R)
• M7: 2,853,280 km (0.053 R)
• M8: 3,462,144 km (0.075 R)
• M9: 3,805,022 km (0.05 R)
• M10: 5,214,533 km (0.11 R)
• M11: 5,537,515 km (0.059 R)
• M12: 5,950,555 km (0.099 R)
• M13: 6,283,559 km (0.062 R)
• M14: 7,008,810 km (0.113 R)
• M15: 7,674,072 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.7

Radius: 8.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.9 AU - 1.3 AU

Year: 769 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,472,175 km

• M1: 142,417 km (0.12 R)
• M2: 438,322 km (0.086 R)
• M3: 789,129 km (0.1 R)
• M4: 1,257,968 km (0.081 R)
• M5: 1,641,388 km (0.09 R)
• M6: 2,252,794 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 9.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.47 AU - 1.57 AU

Year: 1250 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,472,175 km

• M1: 125,812 km (0.118 R)
• M2: 859,739 km (0.092 R)
• M3: 1,347,877 km (0.112 R)
• M4: 1,799,363 km (0.12 R)
• M5: 2,329,388 km (0.087 R)
• M6: 2,936,307 km (0.033 R)
• M7: 3,803,077 km (0.098 R)
• M8: 4,256,807 km (0.088 R)
• M9: 5,917,344 km (0.109 R)
• M10: 6,402,789 km (0.111 R)
• M11: 8,068,561 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 14.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.57 AU - 4.51 AU

Year: 5415 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,472,175 km

• M1: 178,769 km (0.107 R)
• M2: 875,896 km (0.118 R)
• M3: 1,375,552 km (0.108 R)
• M4: 3,569,106 km (0.104 R)
• M5: 4,172,883 km (0.113 R)
• M6: 5,387,468 km (0.093 R)
• M7: 6,373,168 km (0.111 R)
• M8: 7,061,019 km (0.039 R)
• M9: 8,355,191 km (0.104 R)
• M10: 9,302,444 km (0.086 R)
• M11: 11,038,976 km (0.074 R)
• M12: 11,647,391 km (0.071 R)
• M13: 13,928,459 km (0.101 R)
• M14: 14,418,093 km (0.117 R)
• M15: 15,089,040 km (0.068 R)
• M16: 15,780,631 km (0.091 R)
• M17: 16,493,464 km (0.085 R)
• M18: 17,919,431 km (0.106 R)
• M19: 20,384,056 km (0.065 R)
• M20: 22,542,006 km (0.101 R)
• M21: 24,062,967 km (0.114 R)
• M22: 25,651,248 km (0.11 R)
• M23: 27,477,987 km (0.116 R)
• M24: 28,597,428 km (0.109 R)
• M25: 29,836,697 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 12.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.29 AU - 5.49 AU

Year: 8345 Days

Day: 9.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,472,175 km

• M1: 169,644 km (0.11 R)
• M2: 728,990 km (0.06 R)
• M3: 1,638,695 km (0.086 R)
• M4: 2,042,909 km (0.068 R)
• M5: 2,569,343 km (0.095 R)
• M6: 3,101,014 km (0.116 R)
• M7: 4,100,328 km (0.042 R)
• M8: 4,888,260 km (0.103 R)
• M9: 5,646,422 km (0.054 R)
• M10: 6,587,093 km (0.088 R)
• M11: 8,273,061 km (0.085 R)
• M12: 10,135,405 km (0.071 R)
• M13: 11,114,374 km (0.071 R)
• M14: 12,209,131 km (0.056 R)
• M15: 15,042,066 km (0.057 R)
• M16: 18,216,682 km (0.095 R)
• M17: 18,642,737 km (0.083 R)
• M18: 21,418,376 km (0.107 R)
• M19: 22,374,905 km (0.06 R)
• M20: 24,287,663 km (0.067 R)
• M21: 24,804,075 km (0.12 R)
• M22: 25,240,003 km (0.115 R)
• M23: 26,217,027 km (0.1 R)
• M24: 27,870,083 km (0.038 R)
• M25: 30,180,922 km (0.057 R)
• M26: 31,079,406 km (0.067 R)
• M27: 34,203,908 km (0.119 R)
• M28: 35,953,305 km (0.106 R)
• M29: 37,991,726 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 7.1

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.31 AU - 7.61 AU

Year: 10949 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,472,175 km

• M1: 89,310 km (0.1 R)
• M2: 395,836 km (0.115 R)
• M3: 631,602 km (0.079 R)
• M4: 944,262 km (0.103 R)
• M5: 1,172,698 km (0.116 R)
• M6: 1,535,772 km (0.107 R)
• M7: 1,989,203 km (0.101 R)
• M8: 2,351,529 km (0.112 R)
• M9: 3,068,402 km (0.062 R)
• M10: 3,977,209 km (0.091 R)
• M11: 4,799,698 km (0.08 R)
• M12: 5,086,776 km (0.11 R)
• M13: 5,521,657 km (0.067 R)
• M14: 5,944,870 km (0.093 R)
• M15: 6,620,005 km (0.108 R)
• M16: 7,813,497 km (0.086 R)
• M17: 9,241,408 km (0.087 R)
• M18: 10,407,524 km (0.117 R)
• M19: 11,108,390 km (0.053 R)
• M20: 11,611,787 km (0.083 R)
• M21: 16,272,209 km (0.076 R)
• M22: 16,994,617 km (0.085 R)
• M23: 17,215,573 km (0.109 R)
• M24: 18,658,894 km (0.119 R)
• M25: 30,111,957 km (0.111 R)
• M26: 32,313,439 km (0.025 R)
• M27: 35,572,279 km (0.119 R)
• M28: 38,788,783 km (0.095 R)
• M29: 44,246,413 km (0.096 R)
• M30: 44,524,964 km (0.097 R)
• M31: 44,945,184 km (0.067 R)
• M32: 45,367,798 km (0.083 R)
• M33: 47,960,180 km (0.09 R)
• M34: 48,697,398 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.5

Radius: 5.5

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.44 AU - 6.78 AU

Year: 11333 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,472,175 km

• M1: 71,657 km (0.116 R)
• M2: 304,880 km (0.079 R)
• M3: 1,062,444 km (0.118 R)
• M4: 3,325,261 km (0.034 R)
• M5: 3,894,781 km (0.109 R)
• M6: 4,090,155 km (0.082 R)
• M7: 5,080,344 km (0.041 R)
• M8: 5,493,683 km (0.101 R)
• M9: 5,865,583 km (0.083 R)
• M10: 6,454,849 km (0.094 R)
• M11: 7,485,728 km (0.052 R)
• M12: 8,704,352 km (0.034 R)
• M13: 9,779,063 km (0.076 R)
• M14: 10,464,820 km (0.106 R)
• M15: 12,714,173 km (0.049 R)
• M16: 16,887,056 km (0.12 R)
• M17: 17,407,807 km (0.107 R)
• M18: 18,481,471 km (0.116 R)
• M19: 21,057,247 km (0.105 R)
• M20: 22,508,645 km (0.096 R)
• M21: 23,218,936 km (0.076 R)
• M22: 23,862,656 km (0.116 R)
• M23: 29,917,480 km (0.079 R)
• M24: 30,487,747 km (0.082 R)
• M25: 32,841,819 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.7

Radius: 3.6

Gravity: 70.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.27 AU - 10.53 AU

Year: 19219 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,472,175 km

• M1: 51,761 km (0.098 R)
• M2: 273,016 km (0.116 R)
• M3: 535,710 km (0.07 R)
• M4: 788,082 km (0.091 R)
• M5: 1,009,935 km (0.076 R)
• M6: 2,243,370 km (0.066 R)
• M7: 2,377,858 km (0.098 R)
• M8: 2,971,014 km (0.1 R)
• M9: 3,330,647 km (0.066 R)
• M10: 3,506,125 km (0.073 R)
• M11: 3,812,203 km (0.102 R)
• M12: 6,384,239 km (0.107 R)
• M13: 8,391,393 km (0.084 R)
• M14: 10,041,009 km (0.052 R)
• M15: 15,686,982 km (0.068 R)
• M16: 22,098,597 km (0.073 R)
• M17: 29,683,957 km (0.119 R)
• M18: 35,367,779 km (0.117 R)
• M19: 41,268,368 km (0.092 R)
• M20: 45,934,026 km (0.086 R)
• M21: 46,435,777 km (0.087 R)
• M22: 47,280,257 km (0.09 R)
• M23: 58,617,382 km (0.108 R)
• M24: 63,451,338 km (0.032 R)
• M25: 64,073,666 km (0.078 R)
• M26: 66,177,311 km (0.085 R)
• M27: 68,326,733 km (0.069 R)
• M28: 69,418,648 km (0.119 R)
• M29: 70,744,235 km (0.065 R)
• M30: 75,053,102 km (0.155 R)
• M31: 75,981,955 km (0.093 R)
• M32: 76,215,328 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit