🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 12.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.89 AU - 1.35 AU

Year: 765 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,269,719 km

• M1: 206,894 km (0.071 R)
• M2: 696,528 km (0.084 R)
• M3: 1,985,762 km (0.114 R)
• M4: 3,159,058 km (0.103 R)
• M5: 4,064,724 km (0.11 R)
• M6: 5,168,158 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 13.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.99 AU - 1.47 AU

Year: 881 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,269,719 km

• M1: 170,392 km (0.113 R)
• M2: 653,144 km (0.072 R)
• M3: 1,269,188 km (0.111 R)
• M4: 2,189,814 km (0.071 R)
• M5: 2,859,414 km (0.074 R)
• M6: 3,662,605 km (0.116 R)
• M7: 4,337,740 km (0.036 R)
• M8: 5,737,078 km (0.112 R)
• M9: 6,452,455 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.9

Radius: 10.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.08 AU - 1.5 AU

Year: 946 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,269,719 km

• M1: 134,339 km (0.071 R)
• M2: 498,011 km (0.102 R)
• M3: 1,541,008 km (0.093 R)
• M4: 2,023,162 km (0.086 R)
• M5: 2,797,630 km (0.1 R)
• M6: 3,190,474 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.57 AU - 2.33 AU

Year: 1758 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,269,719 km

• M1: 182,809 km (0.1 R)
• M2: 679,474 km (0.119 R)
• M3: 1,181,075 km (0.102 R)
• M4: 2,111,873 km (0.063 R)
• M5: 2,761,726 km (0.108 R)
• M6: 3,458,852 km (0.071 R)
• M7: 4,137,279 km (0.116 R)
• M8: 4,776,211 km (0.115 R)
• M9: 5,980,025 km (0.079 R)
• M10: 6,561,811 km (0.104 R)
• M11: 8,727,091 km (0.032 R)
• M12: 9,377,393 km (0.045 R)
• M13: 10,738,734 km (0.119 R)
• M14: 11,448,127 km (0.079 R)
• M15: 12,109,050 km (0.104 R)
• M16: 13,851,716 km (0.072 R)
• M17: 16,042,277 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.83 AU - 3.35 AU

Year: 3507 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,269,719 km

• M1: 150,495 km (0.075 R)
• M2: 629,508 km (0.084 R)
• M3: 1,222,364 km (0.04 R)
• M4: 1,652,757 km (0.032 R)
• M5: 2,426,328 km (0.046 R)
• M6: 3,940,857 km (0.106 R)
• M7: 5,372,658 km (0.043 R)
• M8: 5,793,028 km (0.064 R)
• M9: 6,523,365 km (0.118 R)
• M10: 7,002,527 km (0.103 R)
• M11: 8,304,477 km (0.12 R)
• M12: 8,976,770 km (0.115 R)
• M13: 9,994,335 km (0.069 R)
• M14: 10,470,505 km (0.092 R)
• M15: 11,902,755 km (0.096 R)
• M16: 13,318,848 km (0.104 R)
• M17: 19,745,273 km (0.059 R)
• M18: 20,243,883 km (0.078 R)
• M19: 20,623,413 km (0.1 R)
• M20: 21,593,106 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.8

Radius: 5.5

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.01 AU - 7.97 AU

Year: 11932 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 28,269,719 km

• M1: 68,366 km (0.062 R)
• M2: 405,410 km (0.102 R)
• M3: 607,068 km (0.111 R)
• M4: 972,835 km (0.099 R)
• M5: 1,502,262 km (0.052 R)
• M6: 1,716,336 km (0.116 R)
• M7: 2,333,128 km (0.094 R)
• M8: 2,601,507 km (0.042 R)
• M9: 2,826,652 km (0.092 R)
• M10: 3,177,459 km (0.114 R)
• M11: 3,507,771 km (0.103 R)
• M12: 4,405,657 km (0.045 R)
• M13: 4,786,384 km (0.105 R)
• M14: 6,203,525 km (0.101 R)
• M15: 6,457,990 km (0.087 R)
• M16: 10,638,802 km (0.115 R)
• M17: 11,216,250 km (0.118 R)
• M18: 12,896,982 km (0.106 R)
• M19: 13,735,927 km (0.111 R)
• M20: 14,044,248 km (0.118 R)
• M21: 14,867,336 km (0.094 R)
• M22: 15,192,412 km (0.111 R)
• M23: 15,924,095 km (0.093 R)
• M24: 20,253,906 km (0.057 R)
• M25: 20,733,816 km (0.059 R)
• M26: 21,633,498 km (0.107 R)
• M27: 22,729,751 km (0.081 R)
• M28: 24,487,975 km (0.11 R)
• M29: 26,906,523 km (0.052 R)
• M30: 36,502,928 km (0.09 R)
• M31: 36,738,694 km (0.09 R)
• M32: 39,276,622 km (0.107 R)
• M33: 40,273,392 km (0.102 R)
• M34: 43,496,927 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.6

Radius: 8

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.61 AU - 9.31 AU

Year: 13156 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,269,719 km

• M1: 99,632 km (0.114 R)
• M2: 485,894 km (0.096 R)
• M3: 767,138 km (0.03 R)
• M4: 1,171,950 km (0.059 R)
• M5: 1,527,095 km (0.117 R)
• M6: 2,806,606 km (0.068 R)
• M7: 3,860,223 km (0.1 R)
• M8: 4,750,929 km (0.12 R)
• M9: 6,848,142 km (0.081 R)
• M10: 10,644,636 km (0.108 R)
• M11: 12,760,100 km (0.091 R)
• M12: 14,502,466 km (0.078 R)
• M13: 15,503,725 km (0.049 R)
• M14: 19,034,085 km (0.052 R)
• M15: 22,311,326 km (0.108 R)
• M16: 27,849,738 km (0.094 R)
• M17: 32,289,653 km (0.096 R)
• M18: 36,526,564 km (0.107 R)
• M19: 38,777,862 km (0.11 R)
• M20: 39,184,469 km (0.061 R)
• M21: 40,006,360 km (0.113 R)
• M22: 40,560,620 km (0.117 R)
• M23: 42,111,202 km (0.105 R)
• M24: 43,700,979 km (0.062 R)
• M25: 46,388,056 km (0.09 R)
• M26: 47,771,986 km (0.075 R)
• M27: 49,659,761 km (0.118 R)
• M28: 60,211,049 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.3

Radius: 3.9

Gravity: 54.39 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.37 AU - 9.14 AU

Year: 16712 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,269,719 km

• M1: 49,218 km (0.05 R)
• M2: 245,640 km (0.059 R)
• M3: 383,120 km (0.099 R)
• M4: 1,184,516 km (0.106 R)
• M5: 2,106,787 km (0.056 R)
• M6: 2,583,406 km (0.085 R)
• M7: 2,725,075 km (0.105 R)
• M8: 3,897,773 km (0.082 R)
• M9: 5,447,158 km (0.046 R)
• M10: 5,602,141 km (0.067 R)
• M11: 7,554,543 km (0.085 R)
• M12: 10,682,934 km (0.093 R)
• M13: 10,926,030 km (0.065 R)
• M14: 14,283,455 km (0.067 R)
• M15: 16,114,832 km (0.078 R)
• M16: 18,442,276 km (0.116 R)
• M17: 23,750,457 km (0.106 R)
• M18: 24,794,351 km (0.119 R)
• M19: 32,589,597 km (0.101 R)
• M20: 33,877,485 km (0.086 R)
• M21: 53,472,263 km (0.116 R)
• M22: 54,720,059 km (0.03 R)
• M23: 67,247,983 km (0.104 R)
• M24: 69,330,535 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.5

Radius: 4.4

Gravity: 27.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.3 AU - 9.32 AU

Year: 18342 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,269,719 km

• M1: 104,419 km (0.078 R)
• M2: 243,396 km (0.066 R)
• M3: 1,121,984 km (0.098 R)
• M4: 1,798,765 km (0.072 R)
• M5: 3,557,886 km (0.114 R)
• M6: 4,054,850 km (0.091 R)
• M7: 12,259,246 km (0.115 R)
• M8: 14,006,699 km (0.1 R)
• M9: 14,866,588 km (0.103 R)
• M10: 18,744,015 km (0.107 R)
• M11: 22,082,740 km (0.092 R)
• M12: 23,245,265 km (0.08 R)
• M13: 23,741,481 km (0.084 R)
• M14: 29,790,770 km (0.1 R)
• M15: 32,546,962 km (0.069 R)
• M16: 36,390,879 km (0.07 R)
• M17: 54,269,320 km (0.088 R)
• M18: 57,634,674 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.1

Radius: 7.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.37 AU - 11.41 AU

Year: 23204 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,269,719 km

• M1: 144,661 km (0.098 R)
• M2: 583,581 km (0.067 R)
• M3: 826,528 km (0.039 R)
• M4: 2,424,084 km (0.115 R)
• M5: 2,742,877 km (0.08 R)
• M6: 3,089,495 km (0.114 R)
• M7: 4,984,601 km (0.075 R)
• M8: 5,501,910 km (0.044 R)
• M9: 6,484,918 km (0.065 R)
• M10: 8,832,707 km (0.101 R)
• M11: 9,106,770 km (0.095 R)
• M12: 11,600,866 km (0.092 R)
• M13: 12,120,569 km (0.09 R)
• M14: 14,088,679 km (0.038 R)
• M15: 14,517,127 km (0.106 R)
• M16: 16,143,854 km (0.111 R)
• M17: 17,334,204 km (0.052 R)
• M18: 18,327,684 km (0.112 R)
• M19: 20,976,913 km (0.103 R)
• M20: 22,610,222 km (0.081 R)
• M21: 25,808,774 km (0.082 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: 209 - 12,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit