🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 14.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.6 AU - 0.66 AU

Year: 351 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,878,291 km

• M1: 184,005 km (0.096 R)
• M2: 744,249 km (0.103 R)
• M3: 1,262,307 km (0.117 R)
• M4: 1,848,431 km (0.063 R)
• M5: 2,366,638 km (0.086 R)
• M6: 2,830,093 km (0.091 R)
• M7: 3,315,089 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 12.5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.51 AU - 0.77 AU

Year: 360 Days

Day: 10.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,878,291 km

• M1: 155,432 km (0.059 R)
• M2: 549,772 km (0.076 R)
• M3: 954,584 km (0.104 R)
• M4: 1,429,557 km (0.066 R)
• M5: 1,837,810 km (0.084 R)
• M6: 2,534,487 km (0.067 R)
• M7: 3,208,575 km (0.062 R)
• M8: 4,090,604 km (0.115 R)
• M9: 5,361,438 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 9.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.83 AU - 1.19 AU

Year: 713 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,878,291 km

• M1: 119,828 km (0.095 R)
• M2: 497,263 km (0.117 R)
• M3: 813,812 km (0.108 R)
• M4: 1,149,959 km (0.062 R)
• M5: 1,462,918 km (0.111 R)
• M6: 1,932,356 km (0.032 R)
• M7: 2,275,982 km (0.09 R)
• M8: 2,641,300 km (0.067 R)
• M9: 3,003,476 km (0.111 R)
• M10: 3,410,233 km (0.113 R)
• M11: 3,803,825 km (0.074 R)
• M12: 4,121,870 km (0.091 R)
• M13: 4,841,436 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 10.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 1006 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,878,291 km

• M1: 126,859 km (0.052 R)
• M2: 642,822 km (0.111 R)
• M3: 1,072,467 km (0.097 R)
• M4: 1,412,653 km (0.071 R)
• M5: 2,134,163 km (0.118 R)
• M6: 3,502,535 km (0.025 R)
• M7: 3,879,222 km (0.091 R)
• M8: 4,255,012 km (0.097 R)
• M9: 4,971,736 km (0.085 R)
• M10: 5,904,478 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 9.6

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.08 AU - 5.08 AU

Year: 5793 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,878,291 km

• M1: 120,277 km (0.059 R)
• M2: 454,927 km (0.115 R)
• M3: 1,025,643 km (0.099 R)
• M4: 1,374,804 km (0.114 R)
• M5: 2,336,868 km (0.03 R)
• M6: 2,784,914 km (0.119 R)
• M7: 3,586,011 km (0.069 R)
• M8: 3,970,028 km (0.093 R)
• M9: 4,356,440 km (0.109 R)
• M10: 5,205,108 km (0.092 R)
• M11: 5,910,911 km (0.062 R)
• M12: 8,220,852 km (0.075 R)
• M13: 8,690,290 km (0.09 R)
• M14: 9,640,236 km (0.064 R)
• M15: 15,218,891 km (0.082 R)
• M16: 15,867,547 km (0.064 R)
• M17: 16,968,737 km (0.108 R)
• M18: 18,515,130 km (0.067 R)
• M19: 20,013,353 km (0.091 R)
• M20: 20,506,577 km (0.094 R)
• M21: 23,326,796 km (0.064 R)
• M22: 24,109,941 km (0.039 R)
• M23: 26,311,872 km (0.118 R)
• M24: 27,418,447 km (0.059 R)
• M25: 27,939,497 km (0.102 R)
• M26: 28,644,551 km (0.082 R)
• M27: 29,542,438 km (0.046 R)
• M28: 30,737,575 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 3

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.71 AU - 6.63 AU

Year: 9490 Days

Day: 24.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,878,291 km

• M1: 111,450 km (0.069 R)
• M2: 216,767 km (0.068 R)
• M3: 916,137 km (0.065 R)
• M4: 1,722,320 km (0.063 R)
• M5: 2,895,467 km (0.095 R)
• M6: 3,342,914 km (0.072 R)
• M7: 5,571,174 km (0.109 R)
• M8: 9,192,640 km (0.105 R)
• M9: 9,583,838 km (0.072 R)
• M10: 13,768,539 km (0.095 R)
• M11: 19,982,685 km (0.073 R)
• M12: 20,505,679 km (0.103 R)
• M13: 22,760,418 km (0.09 R)

Asteroid Belt

Center: 5.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 5.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.88 AU - 6.68 AU

Year: 11062 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,878,291 km

• M1: 70,909 km (0.045 R)
• M2: 278,252 km (0.07 R)
• M3: 1,652,009 km (0.107 R)
• M4: 2,172,311 km (0.097 R)
• M5: 3,119,415 km (0.027 R)
• M6: 4,617,787 km (0.039 R)
• M7: 5,208,998 km (0.098 R)
• M8: 5,610,668 km (0.077 R)
• M9: 5,971,199 km (0.11 R)
• M10: 10,833,429 km (0.1 R)
• M11: 11,630,935 km (0.099 R)
• M12: 13,554,016 km (0.119 R)
• M13: 14,590,729 km (0.099 R)
• M14: 15,099,811 km (0.027 R)
• M15: 15,679,203 km (0.061 R)
• M16: 16,393,982 km (0.098 R)
• M17: 21,943,614 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.6

Radius: 3

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.37 AU - 7.55 AU

Year: 11541 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,878,291 km

• M1: 38,895 km (0.051 R)
• M2: 282,142 km (0.104 R)
• M3: 425,307 km (0.06 R)
• M4: 609,013 km (0.091 R)
• M5: 712,086 km (0.114 R)
• M6: 1,113,906 km (0.11 R)
• M7: 1,215,931 km (0.089 R)
• M8: 1,313,320 km (0.089 R)
• M9: 1,585,887 km (0.099 R)
• M10: 1,769,444 km (0.093 R)
• M11: 2,702,336 km (0.048 R)
• M12: 3,430,878 km (0.066 R)
• M13: 3,760,591 km (0.04 R)
• M14: 3,968,233 km (0.079 R)
• M15: 4,795,509 km (0.093 R)
• M16: 5,641,635 km (0.098 R)
• M17: 5,944,571 km (0.1 R)
• M18: 6,419,095 km (0.069 R)
• M19: 7,993,463 km (0.104 R)
• M20: 9,850,721 km (0.105 R)
• M21: 12,989,583 km (0.093 R)
• M22: 13,785,593 km (0.071 R)
• M23: 14,839,810 km (0.112 R)
• M24: 15,241,480 km (0.053 R)
• M25: 22,165,019 km (0.097 R)
• M26: 24,233,359 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.1

Radius: 3.6

Gravity: 73.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.99 AU - 10.35 AU

Year: 21137 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,878,291 km

• M1: 49,666 km (0.109 R)
• M2: 484,697 km (0.114 R)
• M3: 748,438 km (0.063 R)
• M4: 1,435,840 km (0.114 R)
• M5: 2,190,262 km (0.112 R)
• M6: 2,820,518 km (0.109 R)
• M7: 3,148,886 km (0.116 R)
• M8: 3,563,571 km (0.1 R)
• M9: 5,931,855 km (0.063 R)
• M10: 7,038,729 km (0.086 R)
• M11: 9,412,848 km (0.12 R)
• M12: 11,508,863 km (0.08 R)
• M13: 14,363,191 km (0.057 R)
• M14: 16,335,639 km (0.117 R)
• M15: 23,430,467 km (0.076 R)
• M16: 24,877,827 km (0.096 R)
• M17: 25,105,664 km (0.096 R)
• M18: 26,383,679 km (0.078 R)
• M19: 28,817,187 km (0.107 R)
• M20: 29,068,512 km (0.105 R)
• M21: 29,575,349 km (0.11 R)
• M22: 29,831,012 km (0.113 R)
• M23: 31,131,616 km (0.118 R)
• M24: 33,845,172 km (0.036 R)
• M25: 35,691,060 km (0.093 R)
• M26: 35,835,721 km (0.095 R)
• M27: 37,752,668 km (0.064 R)
• M28: 38,507,838 km (0.089 R)
• M29: 43,580,702 km (0.056 R)
• M30: 46,620,980 km (0.116 R)
• M31: 53,497,395 km (0.065 R)
• M32: 59,380,631 km (0.049 R)
• M33: 66,333,940 km (0.081 R)
• M34: 71,258,851 km (0.089 R)
• M35: 71,488,334 km (0.112 R)
• M36: 76,903,329 km (0.138 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.9

Radius: 7.6

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.08 AU - 12.22 AU

Year: 22730 Days

Day: 19.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,878,291 km

• M1: 94,546 km (0.051 R)
• M2: 413,189 km (0.11 R)
• M3: 1,090,269 km (0.084 R)
• M4: 1,848,880 km (0.088 R)
• M5: 3,895,080 km (0.084 R)
• M6: 5,826,837 km (0.116 R)
• M7: 6,517,381 km (0.049 R)
• M8: 8,269,471 km (0.108 R)
• M9: 8,643,316 km (0.113 R)
• M10: 9,482,710 km (0.046 R)
• M11: 11,387,988 km (0.083 R)
• M12: 19,254,592 km (0.059 R)
• M13: 31,134,907 km (0.076 R)
• M14: 40,075,474 km (0.099 R)
• M15: 46,118,929 km (0.118 R)
• M16: 57,429,426 km (0.107 R)
• M17: 61,373,125 km (0.099 R)
• M18: 62,590,552 km (0.062 R)
• M19: 69,138,002 km (0.095 R)
• M20: 69,575,426 km (0.114 R)
• M21: 80,394,494 km (0.068 R)
• M22: 80,878,294 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 15,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit