🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.9

Radius: 10.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 14.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,274,134 km

• M1: 125,662 km (0.1 R)
• M2: 442,211 km (0.099 R)
• M3: 808,427 km (0.085 R)
• M4: 1,580,053 km (0.116 R)
• M5: 2,642,048 km (0.096 R)
• M6: 3,086,204 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 8.6

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.6 AU - 0.8 AU

Year: 397 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,274,134 km

• M1: 106,962 km (0.098 R)
• M2: 480,508 km (0.115 R)
• M3: 761,453 km (0.08 R)
• M4: 1,106,575 km (0.11 R)
• M5: 1,439,431 km (0.109 R)
• M6: 2,265,211 km (0.104 R)
• M7: 2,622,151 km (0.084 R)
• M8: 2,994,052 km (0.115 R)
• M9: 3,316,734 km (0.099 R)
• M10: 4,128,602 km (0.079 R)
• M11: 4,972,035 km (0.109 R)
• M12: 5,244,602 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 12.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.87 AU - 1.19 AU

Year: 709 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,274,134 km

• M1: 156,779 km (0.105 R)
• M2: 676,930 km (0.096 R)
• M3: 1,110,615 km (0.034 R)
• M4: 1,614,161 km (0.103 R)
• M5: 2,320,562 km (0.08 R)
• M6: 2,804,661 km (0.064 R)
• M7: 3,518,692 km (0.09 R)
• M8: 4,496,164 km (0.04 R)
• M9: 5,255,373 km (0.082 R)
• M10: 5,704,466 km (0.076 R)
• M11: 6,098,208 km (0.114 R)
• M12: 6,531,293 km (0.1 R)
• M13: 7,208,224 km (0.109 R)
• M14: 7,907,444 km (0.032 R)
• M15: 8,448,540 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 11.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.25 AU - 1.43 AU

Year: 1052 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,274,134 km

• M1: 140,472 km (0.111 R)
• M2: 508,034 km (0.052 R)
• M3: 954,285 km (0.114 R)
• M4: 1,473,689 km (0.114 R)
• M5: 1,917,695 km (0.092 R)
• M6: 2,275,832 km (0.09 R)
• M7: 2,679,148 km (0.108 R)
• M8: 3,414,571 km (0.088 R)
• M9: 4,421,515 km (0.109 R)
• M10: 5,142,876 km (0.045 R)
• M11: 5,960,727 km (0.063 R)
• M12: 6,319,313 km (0.049 R)
• M13: 6,949,419 km (0.074 R)
• M14: 7,736,903 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 11.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.56 AU - 1.62 AU

Year: 1360 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,274,134 km

• M1: 145,559 km (0.119 R)
• M2: 644,318 km (0.095 R)
• M3: 1,241,962 km (0.105 R)
• M4: 1,662,930 km (0.068 R)
• M5: 2,127,731 km (0.119 R)
• M6: 2,654,614 km (0.072 R)
• M7: 3,239,542 km (0.099 R)
• M8: 3,956,864 km (0.028 R)
• M9: 5,266,892 km (0.109 R)
• M10: 5,852,568 km (0.099 R)
• M11: 6,731,455 km (0.104 R)
• M12: 7,772,058 km (0.082 R)
• M13: 8,291,312 km (0.051 R)
• M14: 8,668,449 km (0.045 R)
• M15: 9,457,278 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 8.5

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.75 AU - 4.31 AU

Year: 4498 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,274,134 km

• M1: 112,348 km (0.064 R)
• M2: 466,446 km (0.055 R)
• M3: 768,933 km (0.087 R)
• M4: 1,037,910 km (0.117 R)
• M5: 1,382,135 km (0.051 R)
• M6: 1,762,712 km (0.118 R)
• M7: 2,514,591 km (0.115 R)
• M8: 2,917,308 km (0.091 R)
• M9: 3,362,511 km (0.118 R)
• M10: 4,220,605 km (0.045 R)
• M11: 4,921,770 km (0.059 R)
• M12: 6,116,159 km (0.083 R)
• M13: 7,080,318 km (0.078 R)
• M14: 7,670,032 km (0.08 R)
• M15: 9,845,485 km (0.094 R)
• M16: 10,186,717 km (0.105 R)
• M17: 11,074,431 km (0.055 R)
• M18: 16,241,542 km (0.086 R)
• M19: 18,980,828 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.1

Radius: 6.8

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.05 AU - 6.91 AU

Year: 11188 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 28,274,134 km

• M1: 115,938 km (0.087 R)
• M2: 348,413 km (0.092 R)
• M3: 563,386 km (0.079 R)
• M4: 1,121,535 km (0.048 R)
• M5: 1,419,833 km (0.06 R)
• M6: 1,770,341 km (0.095 R)
• M7: 1,983,518 km (0.056 R)
• M8: 2,750,806 km (0.077 R)
• M9: 3,178,057 km (0.05 R)
• M10: 4,396,532 km (0.087 R)
• M11: 4,853,703 km (0.056 R)
• M12: 6,080,555 km (0.111 R)
• M13: 6,417,150 km (0.062 R)
• M14: 6,726,519 km (0.072 R)
• M15: 7,209,421 km (0.117 R)
• M16: 9,276,714 km (0.098 R)
• M17: 9,522,952 km (0.029 R)
• M18: 15,481,734 km (0.095 R)
• M19: 21,499,608 km (0.116 R)
• M20: 22,545,596 km (0.113 R)
• M21: 23,624,945 km (0.054 R)
• M22: 25,308,070 km (0.111 R)
• M23: 29,436,971 km (0.092 R)
• M24: 32,955,813 km (0.098 R)
• M25: 33,414,480 km (0.095 R)
• M26: 34,344,530 km (0.069 R)
• M27: 36,378,163 km (0.068 R)
• M28: 37,362,218 km (0.109 R)
• M29: 38,237,814 km (0.09 R)
• M30: 40,421,195 km (0.091 R)
• M31: 41,877,381 km (0.12 R)
• M32: 42,550,721 km (0.09 R)
• M33: 46,169,044 km (0.08 R)
• M34: 46,743,201 km (0.108 R)
• M35: 48,199,686 km (0.095 R)
• M36: 48,939,148 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 7.1

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.68 AU - 7.98 AU

Year: 12107 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 28,274,134 km

• M1: 91,404 km (0.07 R)
• M2: 368,908 km (0.105 R)
• M3: 802,293 km (0.063 R)
• M4: 1,247,945 km (0.06 R)
• M5: 1,666,520 km (0.104 R)
• M6: 1,971,251 km (0.094 R)
• M7: 2,194,750 km (0.104 R)
• M8: 3,446,436 km (0.098 R)
• M9: 4,647,856 km (0.117 R)
• M10: 6,503,917 km (0.092 R)
• M11: 7,663,899 km (0.038 R)
• M12: 8,032,658 km (0.113 R)
• M13: 9,365,126 km (0.094 R)
• M14: 9,948,109 km (0.057 R)
• M15: 10,276,027 km (0.109 R)
• M16: 10,498,779 km (0.104 R)
• M17: 12,714,323 km (0.119 R)
• M18: 16,480,300 km (0.113 R)
• M19: 17,884,575 km (0.077 R)
• M20: 18,451,551 km (0.097 R)
• M21: 18,863,843 km (0.116 R)
• M22: 19,792,696 km (0.119 R)
• M23: 20,751,618 km (0.037 R)
• M24: 22,573,870 km (0.112 R)
• M25: 24,698,608 km (0.075 R)
• M26: 33,915,632 km (0.031 R)
• M27: 38,139,379 km (0.087 R)
• M28: 42,988,594 km (0.103 R)
• M29: 45,785,476 km (0.117 R)
• M30: 48,077,614 km (0.105 R)
• M31: 50,766,486 km (0.088 R)
• M32: 54,392,888 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.2

Radius: 4.6

Gravity: 37.67 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.59 AU - 7.15 AU

Year: 12213 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 28,274,134 km

• M1: 57,296 km (0.04 R)
• M2: 255,364 km (0.1 R)
• M3: 421,567 km (0.094 R)
• M4: 1,057,059 km (0.116 R)
• M5: 1,626,578 km (0.089 R)
• M6: 1,890,468 km (0.119 R)
• M7: 2,163,185 km (0.037 R)
• M8: 2,610,184 km (0.118 R)
• M9: 4,052,756 km (0.119 R)
• M10: 4,632,896 km (0.096 R)
• M11: 5,478,274 km (0.105 R)
• M12: 5,732,291 km (0.046 R)
• M13: 5,994,087 km (0.089 R)
• M14: 6,186,022 km (0.051 R)
• M15: 7,468,973 km (0.047 R)
• M16: 8,290,116 km (0.113 R)
• M17: 8,480,404 km (0.114 R)
• M18: 9,789,685 km (0.095 R)
• M19: 10,492,196 km (0.079 R)
• M20: 11,112,579 km (0.072 R)
• M21: 12,864,669 km (0.111 R)
• M22: 13,248,836 km (0.106 R)
• M23: 13,574,810 km (0.111 R)
• M24: 14,516,080 km (0.114 R)
• M25: 15,789,008 km (0.09 R)
• M26: 15,934,866 km (0.096 R)
• M27: 19,544,064 km (0.112 R)
• M28: 20,308,809 km (0.095 R)
• M29: 20,568,062 km (0.065 R)
• M30: 26,126,520 km (0.118 R)
• M31: 26,949,608 km (0.076 R)
• M32: 30,641,683 km (0.059 R)
• M33: 31,441,433 km (0.098 R)
• M34: 35,151,161 km (0.12 R)
• M35: 36,918,211 km (0.084 R)
• M36: 38,347,469 km (0.034 R)
• M37: 38,876,148 km (0.05 R)
• M38: 43,711,750 km (0.09 R)
• M39: 44,433,709 km (0.079 R)
• M40: 54,555,052 km (0.105 R)
• M41: 56,407,074 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.4

Radius: 7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.51 AU - 11.75 AU

Year: 21868 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,274,134 km

• M1: 119,678 km (0.095 R)
• M2: 344,374 km (0.051 R)
• M3: 1,633,758 km (0.117 R)
• M4: 3,223,834 km (0.119 R)
• M5: 4,119,327 km (0.105 R)
• M6: 10,175,498 km (0.115 R)
• M7: 14,573,077 km (0.096 R)
• M8: 15,066,750 km (0.089 R)
• M9: 19,757,840 km (0.101 R)
• M10: 27,853,478 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 13,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit