🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 8.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 13 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,892,684 km

• M1: 103,223 km (0.088 R)
• M2: 383,868 km (0.056 R)
• M3: 644,168 km (0.079 R)
• M4: 914,043 km (0.103 R)
• M5: 1,351,318 km (0.117 R)
• M6: 1,824,196 km (0.111 R)
• M7: 2,093,622 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 10.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.76 AU - 0.96 AU

Year: 541 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,892,684 km

• M1: 128,056 km (0.099 R)
• M2: 524,789 km (0.109 R)
• M3: 896,690 km (0.06 R)
• M4: 1,719,179 km (0.041 R)
• M5: 2,105,291 km (0.108 R)
• M6: 2,507,560 km (0.115 R)
• M7: 3,091,590 km (0.106 R)
• M8: 3,560,729 km (0.072 R)
• M9: 4,004,286 km (0.069 R)
• M10: 4,820,343 km (0.067 R)
• M11: 5,224,855 km (0.118 R)
• M12: 5,725,260 km (0.115 R)
• M13: 6,179,290 km (0.079 R)
• M14: 7,202,988 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 8.4

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,892,684 km

• M1: 104,868 km (0.066 R)
• M2: 469,887 km (0.063 R)
• M3: 775,815 km (0.109 R)
• M4: 1,135,448 km (0.107 R)
• M5: 1,430,305 km (0.119 R)
• M6: 1,845,439 km (0.093 R)
• M7: 2,120,400 km (0.118 R)
• M8: 2,551,840 km (0.093 R)
• M9: 3,115,376 km (0.096 R)
• M10: 3,716,909 km (0.062 R)
• M11: 4,686,303 km (0.098 R)
• M12: 5,079,297 km (0.091 R)
• M13: 5,587,331 km (0.081 R)
• M14: 6,371,224 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 12.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.32 AU - 1.42 AU

Year: 1088 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,892,684 km

• M1: 156,779 km (0.08 R)
• M2: 600,635 km (0.111 R)
• M3: 1,537,567 km (0.046 R)
• M4: 1,991,896 km (0.095 R)
• M5: 2,417,651 km (0.099 R)
• M6: 2,844,753 km (0.098 R)
• M7: 3,853,940 km (0.11 R)
• M8: 7,528,214 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.9

Radius: 7.3

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.61 AU - 6.33 AU

Year: 9894 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,892,684 km

• M1: 97,538 km (0.109 R)
• M2: 337,044 km (0.118 R)
• M3: 566,976 km (0.089 R)
• M4: 935,435 km (0.116 R)
• M5: 1,482,814 km (0.09 R)
• M6: 2,548,101 km (0.091 R)
• M7: 3,110,140 km (0.098 R)
• M8: 5,871,268 km (0.033 R)
• M9: 6,106,136 km (0.099 R)
• M10: 6,848,291 km (0.114 R)
• M11: 7,414,370 km (0.096 R)
• M12: 8,384,213 km (0.058 R)
• M13: 8,725,595 km (0.101 R)
• M14: 8,987,690 km (0.028 R)
• M15: 9,436,185 km (0.066 R)
• M16: 10,475,441 km (0.083 R)
• M17: 11,641,407 km (0.069 R)
• M18: 13,989,794 km (0.051 R)
• M19: 14,228,702 km (0.06 R)
• M20: 14,899,948 km (0.065 R)
• M21: 16,239,597 km (0.113 R)
• M22: 19,824,261 km (0.119 R)
• M23: 22,324,041 km (0.111 R)
• M24: 24,245,327 km (0.061 R)
• M25: 26,729,998 km (0.058 R)
• M26: 27,283,660 km (0.064 R)
• M27: 36,307,104 km (0.043 R)
• M28: 38,369,610 km (0.025 R)
• M29: 39,074,066 km (0.11 R)
• M30: 39,548,441 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 3

Gravity: 70.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.2 AU - 7.62 AU

Year: 11007 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 40,892,684 km

• M1: 37,399 km (0.092 R)
• M2: 141,968 km (0.108 R)
• M3: 269,725 km (0.095 R)
• M4: 424,559 km (0.093 R)
• M5: 753,225 km (0.108 R)
• M6: 914,193 km (0.082 R)
• M7: 1,030,281 km (0.034 R)
• M8: 1,132,456 km (0.059 R)
• M9: 1,702,873 km (0.051 R)
• M10: 2,364,993 km (0.075 R)
• M11: 2,796,583 km (0.082 R)
• M12: 2,906,537 km (0.093 R)
• M13: 3,182,545 km (0.116 R)
• M14: 3,351,441 km (0.047 R)
• M15: 4,200,708 km (0.113 R)
• M16: 4,463,252 km (0.118 R)
• M17: 4,644,415 km (0.117 R)
• M18: 5,554,719 km (0.089 R)
• M19: 5,906,722 km (0.114 R)
• M20: 6,348,634 km (0.071 R)
• M21: 6,655,160 km (0.118 R)
• M22: 6,891,525 km (0.06 R)
• M23: 7,011,802 km (0.037 R)
• M24: 9,923,126 km (0.105 R)
• M25: 10,867,388 km (0.051 R)
• M26: 11,927,289 km (0.107 R)
• M27: 12,275,852 km (0.092 R)
• M28: 13,238,514 km (0.093 R)
• M29: 15,724,083 km (0.051 R)
• M30: 16,426,445 km (0.059 R)
• M31: 18,503,761 km (0.052 R)
• M32: 24,915,974 km (0.084 R)
• M33: 26,257,119 km (0.078 R)
• M34: 28,255,298 km (0.025 R)
• M35: 29,186,545 km (0.102 R)
• M36: 30,892,409 km (0.071 R)
• M37: 34,618,294 km (0.047 R)
• M38: 37,138,868 km (0.108 R)
• M39: 42,005,885 km (0.098 R)
• M40: 45,710,976 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.5

Radius: 7.6

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.81 AU - 7.77 AU

Year: 13350 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,892,684 km

• M1: 94,546 km (0.106 R)
• M2: 425,905 km (0.064 R)
• M3: 739,612 km (0.115 R)
• M4: 1,364,781 km (0.111 R)
• M5: 2,127,132 km (0.116 R)
• M6: 2,402,243 km (0.119 R)
• M7: 3,024,570 km (0.069 R)
• M8: 3,296,838 km (0.103 R)
• M9: 3,639,567 km (0.095 R)
• M10: 4,064,574 km (0.117 R)
• M11: 5,468,101 km (0.108 R)
• M12: 8,162,957 km (0.038 R)
• M13: 9,297,508 km (0.117 R)
• M14: 10,037,718 km (0.044 R)
• M15: 11,755,101 km (0.076 R)
• M16: 11,998,048 km (0.082 R)
• M17: 15,396,762 km (0.057 R)
• M18: 16,582,924 km (0.095 R)
• M19: 17,043,087 km (0.06 R)
• M20: 18,149,812 km (0.031 R)
• M21: 19,219,586 km (0.089 R)
• M22: 24,806,319 km (0.096 R)
• M23: 25,206,493 km (0.12 R)
• M24: 28,455,460 km (0.103 R)
• M25: 28,893,931 km (0.109 R)
• M26: 29,897,134 km (0.073 R)
• M27: 34,390,157 km (0.099 R)
• M28: 34,638,340 km (0.08 R)
• M29: 37,317,338 km (0.079 R)
• M30: 48,476,442 km (0.07 R)
• M31: 55,316,655 km (0.099 R)
• M32: 57,557,332 km (0.12 R)
• M33: 59,500,160 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.9

Radius: 6.1

Gravity: 21.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.1 AU - 10.48 AU

Year: 19205 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,892,684 km

• M1: 77,342 km (0.119 R)
• M2: 539,600 km (0.077 R)
• M3: 739,761 km (0.096 R)
• M4: 990,637 km (0.109 R)
• M5: 2,124,589 km (0.105 R)
• M6: 2,566,950 km (0.098 R)
• M7: 3,574,641 km (0.118 R)
• M8: 3,847,508 km (0.12 R)
• M9: 4,199,811 km (0.098 R)
• M10: 8,457,067 km (0.117 R)
• M11: 9,909,961 km (0.058 R)
• M12: 10,695,649 km (0.104 R)
• M13: 13,372,853 km (0.077 R)
• M14: 14,943,032 km (0.065 R)
• M15: 17,913,896 km (0.056 R)
• M16: 19,352,280 km (0.104 R)
• M17: 21,256,361 km (0.073 R)
• M18: 22,764,009 km (0.112 R)
• M19: 27,361,899 km (0.058 R)
• M20: 30,000,806 km (0.112 R)
• M21: 30,498,219 km (0.08 R)
• M22: 33,865,966 km (0.072 R)
• M23: 38,340,887 km (0.099 R)
• M24: 41,636,229 km (0.064 R)
• M25: 42,879,836 km (0.072 R)
• M26: 43,669,563 km (0.063 R)
• M27: 43,988,057 km (0.11 R)
• M28: 44,791,398 km (0.091 R)
• M29: 46,925,561 km (0.118 R)
• M30: 52,825,851 km (0.111 R)
• M31: 61,369,684 km (0.107 R)
• M32: 70,789,413 km (0.112 R)
• M33: 73,006,005 km (0.137 R)
• M34: 74,131,430 km (0.178 R)
• M35: 77,810,640 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95

Radius: 3

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.33 AU - 11.49 AU

Year: 21159 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,892,684 km

• M1: 37,250 km (0.079 R)
• M2: 214,224 km (0.104 R)
• M3: 496,515 km (0.092 R)
• M4: 2,174,555 km (0.031 R)
• M5: 3,493,858 km (0.102 R)
• M6: 4,388,304 km (0.095 R)
• M7: 7,484,531 km (0.088 R)
• M8: 12,602,274 km (0.104 R)
• M9: 20,028,013 km (0.077 R)
• M10: 21,910,703 km (0.07 R)
• M11: 23,061,709 km (0.081 R)
• M12: 23,994,002 km (0.119 R)
• M13: 36,751,260 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 13,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit