🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 11.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.17 AU - 1.43 AU

Year: 1005 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,126,117 km

• M1: 145,559 km (0.105 R)
• M2: 601,982 km (0.099 R)
• M3: 966,253 km (0.08 R)
• M4: 1,347,877 km (0.073 R)
• M5: 2,461,783 km (0.115 R)
• M6: 3,125,100 km (0.117 R)
• M7: 3,613,985 km (0.059 R)
• M8: 4,210,582 km (0.096 R)
• M9: 4,731,033 km (0.097 R)
• M10: 5,670,956 km (0.107 R)
• M11: 6,102,247 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 11

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.12 AU - 1.86 AU

Year: 1234 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,126,117 km

• M1: 136,882 km (0.043 R)
• M2: 596,896 km (0.069 R)
• M3: 1,061,247 km (0.094 R)
• M4: 1,563,597 km (0.092 R)
• M5: 2,143,588 km (0.111 R)
• M6: 2,540,022 km (0.088 R)
• M7: 3,316,136 km (0.081 R)
• M8: 3,784,377 km (0.109 R)
• M9: 4,644,715 km (0.088 R)
• M10: 6,487,162 km (0.083 R)
• M11: 7,637,570 km (0.037 R)
• M12: 8,068,112 km (0.036 R)
• M13: 12,228,429 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 9.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.79 AU - 2.23 AU

Year: 1933 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,126,117 km

• M1: 117,584 km (0.111 R)
• M2: 501,751 km (0.077 R)
• M3: 987,496 km (0.094 R)
• M4: 1,300,604 km (0.093 R)
• M5: 1,889,272 km (0.08 R)
• M6: 2,250,850 km (0.116 R)
• M7: 2,598,964 km (0.092 R)
• M8: 3,114,777 km (0.091 R)
• M9: 4,453,529 km (0.105 R)
• M10: 5,175,039 km (0.085 R)
• M11: 5,704,616 km (0.115 R)
• M12: 6,712,456 km (0.077 R)
• M13: 7,536,890 km (0.036 R)
• M14: 8,063,176 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 13.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.13 AU - 4.65 AU

Year: 6239 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,126,117 km

• M1: 172,935 km (0.08 R)
• M2: 890,855 km (0.093 R)
• M3: 2,741,231 km (0.09 R)
• M4: 4,084,171 km (0.093 R)
• M5: 8,783,340 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 8.5

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.85 AU - 5.01 AU

Year: 6324 Days

Day: 13.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,126,117 km

• M1: 105,915 km (0.05 R)
• M2: 419,472 km (0.119 R)
• M3: 696,976 km (0.114 R)
• M4: 1,238,820 km (0.118 R)
• M5: 1,676,394 km (0.081 R)
• M6: 3,472,915 km (0.083 R)
• M7: 4,614,646 km (0.059 R)
• M8: 5,514,028 km (0.104 R)
• M9: 5,859,749 km (0.118 R)
• M10: 6,320,809 km (0.102 R)
• M11: 6,805,656 km (0.111 R)
• M12: 8,659,024 km (0.111 R)
• M13: 9,126,966 km (0.102 R)
• M14: 9,566,933 km (0.076 R)
• M15: 12,350,351 km (0.062 R)
• M16: 13,725,904 km (0.071 R)
• M17: 16,198,607 km (0.07 R)
• M18: 17,844,034 km (0.087 R)
• M19: 18,323,944 km (0.081 R)
• M20: 19,024,660 km (0.101 R)
• M21: 26,596,557 km (0.089 R)
• M22: 28,878,971 km (0.077 R)
• M23: 35,418,642 km (0.06 R)
• M24: 36,505,172 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 9.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.4 AU - 5.38 AU

Year: 7334 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,126,117 km

• M1: 114,442 km (0.109 R)
• M2: 497,862 km (0.028 R)
• M3: 999,912 km (0.089 R)
• M4: 1,750,145 km (0.083 R)
• M5: 2,208,364 km (0.057 R)
• M6: 2,603,153 km (0.118 R)
• M7: 4,295,703 km (0.075 R)
• M8: 4,649,651 km (0.08 R)
• M9: 5,620,392 km (0.12 R)
• M10: 6,013,535 km (0.109 R)
• M11: 6,621,202 km (0.092 R)
• M12: 7,446,384 km (0.092 R)
• M13: 8,071,404 km (0.111 R)
• M14: 10,201,528 km (0.032 R)
• M15: 11,636,171 km (0.06 R)
• M16: 13,043,438 km (0.09 R)
• M17: 15,714,508 km (0.113 R)
• M18: 16,742,096 km (0.025 R)
• M19: 18,072,620 km (0.112 R)
• M20: 24,261,334 km (0.11 R)
• M21: 28,264,423 km (0.068 R)
• M22: 28,882,711 km (0.074 R)
• M23: 30,977,979 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141

Radius: 4.5

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.17 AU - 6.69 AU

Year: 9794 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,126,117 km

• M1: 55,950 km (0.042 R)
• M2: 210,484 km (0.086 R)
• M3: 1,160,580 km (0.12 R)
• M4: 2,255,337 km (0.04 R)
• M5: 2,749,758 km (0.077 R)
• M6: 3,455,112 km (0.12 R)
• M7: 3,643,456 km (0.11 R)
• M8: 4,250,225 km (0.103 R)
• M9: 5,547,388 km (0.105 R)
• M10: 5,777,021 km (0.111 R)
• M11: 6,012,937 km (0.053 R)
• M12: 6,472,501 km (0.105 R)
• M13: 7,054,587 km (0.116 R)
• M14: 7,600,469 km (0.089 R)
• M15: 10,110,422 km (0.063 R)
• M16: 12,872,598 km (0.054 R)
• M17: 16,331,600 km (0.112 R)
• M18: 16,507,527 km (0.028 R)
• M19: 20,840,629 km (0.072 R)
• M20: 24,778,344 km (0.103 R)
• M21: 27,166,674 km (0.099 R)
• M22: 27,912,120 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.9

Radius: 5.4

Gravity: 25.85 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.29 AU - 7.71 AU

Year: 12561 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,126,117 km

• M1: 126,410 km (0.089 R)
• M2: 722,707 km (0.06 R)
• M3: 1,032,674 km (0.054 R)
• M4: 1,652,159 km (0.083 R)
• M5: 1,831,826 km (0.12 R)
• M6: 2,024,508 km (0.04 R)
• M7: 2,430,217 km (0.115 R)
• M8: 3,175,364 km (0.114 R)
• M9: 4,674,634 km (0.068 R)
• M10: 4,902,771 km (0.05 R)
• M11: 5,346,179 km (0.057 R)
• M12: 5,559,655 km (0.111 R)
• M13: 5,778,966 km (0.101 R)
• M14: 7,131,929 km (0.074 R)
• M15: 8,019,493 km (0.119 R)
• M16: 8,252,567 km (0.108 R)
• M17: 10,011,837 km (0.092 R)
• M18: 10,282,161 km (0.115 R)
• M19: 14,594,170 km (0.104 R)
• M20: 15,871,137 km (0.086 R)
• M21: 16,164,648 km (0.103 R)
• M22: 17,844,483 km (0.113 R)
• M23: 21,014,162 km (0.119 R)
• M24: 22,454,192 km (0.082 R)
• M25: 23,198,291 km (0.067 R)
• M26: 24,151,379 km (0.075 R)
• M27: 25,229,531 km (0.12 R)
• M28: 26,442,022 km (0.043 R)
• M29: 28,440,350 km (0.099 R)
• M30: 30,991,293 km (0.067 R)
• M31: 32,853,338 km (0.078 R)
• M32: 37,312,701 km (0.105 R)
• M33: 38,093,153 km (0.109 R)
• M34: 41,185,790 km (0.089 R)
• M35: 41,879,625 km (0.1 R)
• M36: 43,433,348 km (0.101 R)
• M37: 43,719,828 km (0.059 R)
• M38: 45,171,675 km (0.112 R)
• M39: 45,613,288 km (0.108 R)
• M40: 54,064,820 km (0.111 R)
• M41: 55,567,830 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.5

Radius: 3.2

Gravity: 76.03 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.64 AU - 8.94 AU

Year: 17676 Days

Day: 18.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,126,117 km

• M1: 39,943 km (0.049 R)
• M2: 179,218 km (0.06 R)
• M3: 465,997 km (0.11 R)
• M4: 872,305 km (0.053 R)
• M5: 1,075,609 km (0.091 R)
• M6: 1,181,823 km (0.09 R)
• M7: 1,859,502 km (0.111 R)
• M8: 2,154,509 km (0.091 R)
• M9: 2,861,957 km (0.073 R)
• M10: 3,535,746 km (0.095 R)
• M11: 3,893,883 km (0.03 R)
• M12: 5,339,447 km (0.062 R)
• M13: 5,891,314 km (0.118 R)
• M14: 6,744,321 km (0.034 R)
• M15: 8,223,993 km (0.106 R)
• M16: 10,676,202 km (0.094 R)
• M17: 11,805,965 km (0.111 R)
• M18: 17,123,421 km (0.07 R)
• M19: 18,314,819 km (0.097 R)
• M20: 24,049,354 km (0.076 R)
• M21: 27,891,326 km (0.064 R)
• M22: 28,238,543 km (0.098 R)
• M23: 28,471,616 km (0.055 R)
• M24: 31,996,441 km (0.119 R)
• M25: 33,276,251 km (0.078 R)
• M26: 33,536,252 km (0.079 R)
• M27: 37,319,882 km (0.102 R)
• M28: 46,364,868 km (0.079 R)
• M29: 54,033,255 km (0.058 R)
• M30: 56,028,292 km (0.111 R)
• M31: 56,951,311 km (0.098 R)
• M32: 67,364,520 km (0.054 R)
• M33: 70,099,318 km (0.055 R)
• M34: 73,126,132 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 15,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit