🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 14 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,963,982 km

• M1: 143,016 km (0.107 R)
• M2: 543,339 km (0.068 R)
• M3: 1,067,680 km (0.073 R)
• M4: 1,450,651 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 11.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.03 AU - 1.25 AU

Year: 826 Days

Day: 10.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,963,982 km

• M1: 144,212 km (0.115 R)
• M2: 674,836 km (0.1 R)
• M3: 1,155,494 km (0.117 R)
• M4: 1,666,520 km (0.094 R)
• M5: 2,163,484 km (0.032 R)
• M6: 2,530,149 km (0.046 R)
• M7: 3,063,316 km (0.1 R)
• M8: 4,165,852 km (0.067 R)
• M9: 4,688,397 km (0.029 R)
• M10: 5,459,125 km (0.102 R)
• M11: 5,905,077 km (0.12 R)
• M12: 6,354,319 km (0.099 R)
• M13: 6,826,300 km (0.059 R)
• M14: 7,768,617 km (0.07 R)
• M15: 8,308,965 km (0.072 R)
• M16: 8,874,295 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 10.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.07 AU - 1.69 AU

Year: 1100 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,963,982 km

• M1: 130,599 km (0.084 R)
• M2: 500,106 km (0.076 R)
• M3: 955,182 km (0.026 R)
• M4: 1,584,092 km (0.118 R)
• M5: 2,021,366 km (0.079 R)
• M6: 2,509,803 km (0.056 R)
• M7: 2,839,667 km (0.093 R)
• M8: 3,588,255 km (0.075 R)
• M9: 4,116,335 km (0.107 R)
• M10: 4,449,041 km (0.051 R)
• M11: 4,860,136 km (0.081 R)
• M12: 5,200,770 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 11.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.44 AU - 1.78 AU

Year: 1386 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,963,982 km

• M1: 141,819 km (0.109 R)
• M2: 679,174 km (0.062 R)
• M3: 1,106,725 km (0.058 R)
• M4: 1,735,485 km (0.086 R)
• M5: 2,490,655 km (0.094 R)
• M6: 2,882,003 km (0.108 R)
• M7: 3,360,417 km (0.109 R)
• M8: 4,011,018 km (0.096 R)
• M9: 4,571,561 km (0.086 R)
• M10: 4,960,516 km (0.101 R)
• M11: 6,169,117 km (0.109 R)
• M12: 6,993,252 km (0.083 R)
• M13: 7,752,910 km (0.1 R)
• M14: 9,009,532 km (0.111 R)
• M15: 9,498,717 km (0.097 R)
• M16: 10,005,554 km (0.112 R)
• M17: 11,004,569 km (0.05 R)
• M18: 12,105,460 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 11

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.37 AU - 2.07 AU

Year: 1530 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,963,982 km

• M1: 137,181 km (0.113 R)
• M2: 516,861 km (0.114 R)
• M3: 889,509 km (0.098 R)
• M4: 1,816,567 km (0.084 R)
• M5: 2,407,778 km (0.067 R)
• M6: 2,993,005 km (0.078 R)
• M7: 3,898,072 km (0.047 R)
• M8: 4,885,717 km (0.091 R)
• M9: 7,350,940 km (0.066 R)
• M10: 9,264,596 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 10.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.3 AU - 3.08 AU

Year: 2992 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,963,982 km

• M1: 134,339 km (0.117 R)
• M2: 484,248 km (0.111 R)
• M3: 845,527 km (0.078 R)
• M4: 1,502,860 km (0.085 R)
• M5: 2,423,635 km (0.1 R)
• M6: 3,068,851 km (0.098 R)
• M7: 3,549,060 km (0.09 R)
• M8: 4,681,516 km (0.089 R)
• M9: 5,409,459 km (0.075 R)
• M10: 5,800,807 km (0.097 R)
• M11: 6,487,012 km (0.092 R)
• M12: 7,117,418 km (0.089 R)
• M13: 8,379,126 km (0.115 R)
• M14: 10,685,178 km (0.114 R)
• M15: 11,229,415 km (0.111 R)
• M16: 12,061,328 km (0.088 R)
• M17: 12,611,699 km (0.044 R)
• M18: 13,552,221 km (0.03 R)
• M19: 13,975,433 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 8.1

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.33 AU - 3.51 AU

Year: 3384 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,963,982 km

• M1: 100,679 km (0.08 R)
• M2: 406,906 km (0.09 R)
• M3: 810,521 km (0.11 R)
• M4: 1,121,086 km (0.055 R)
• M5: 1,726,958 km (0.047 R)
• M6: 2,534,936 km (0.11 R)
• M7: 2,792,543 km (0.112 R)
• M8: 3,899,418 km (0.105 R)
• M9: 4,244,540 km (0.096 R)
• M10: 4,873,151 km (0.082 R)
• M11: 5,482,912 km (0.095 R)
• M12: 6,915,162 km (0.103 R)
• M13: 9,584,885 km (0.086 R)
• M14: 9,896,647 km (0.073 R)
• M15: 10,175,049 km (0.088 R)
• M16: 12,272,411 km (0.065 R)
• M17: 13,253,923 km (0.091 R)
• M18: 13,690,150 km (0.111 R)
• M19: 15,799,779 km (0.106 R)
• M20: 18,117,200 km (0.084 R)
• M21: 20,013,203 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 11.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.07 AU - 5.79 AU

Year: 7424 Days

Day: 7.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,963,982 km

• M1: 151,094 km (0.07 R)
• M2: 540,647 km (0.095 R)
• M3: 1,125,126 km (0.075 R)
• M4: 1,894,059 km (0.092 R)
• M5: 3,743,836 km (0.062 R)
• M6: 4,116,784 km (0.113 R)
• M7: 4,937,927 km (0.117 R)
• M8: 6,405,182 km (0.114 R)
• M9: 7,052,193 km (0.115 R)
• M10: 9,392,353 km (0.102 R)
• M11: 10,276,177 km (0.107 R)
• M12: 11,163,741 km (0.112 R)
• M13: 12,535,105 km (0.1 R)
• M14: 13,722,463 km (0.077 R)
• M15: 14,433,801 km (0.107 R)
• M16: 15,994,556 km (0.111 R)
• M17: 16,451,128 km (0.054 R)
• M18: 17,596,150 km (0.11 R)
• M19: 21,904,120 km (0.081 R)
• M20: 22,467,506 km (0.104 R)
• M21: 24,301,277 km (0.062 R)
• M22: 25,874,298 km (0.085 R)
• M23: 26,413,299 km (0.044 R)
• M24: 27,887,736 km (0.116 R)
• M25: 29,125,509 km (0.081 R)
• M26: 30,399,484 km (0.081 R)
• M27: 31,404,483 km (0.116 R)
• M28: 36,202,984 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.8

Radius: 4.6

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.04 AU - 6.12 AU

Year: 10168 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,963,982 km

• M1: 59,540 km (0.054 R)
• M2: 207,343 km (0.076 R)
• M3: 563,834 km (0.098 R)
• M4: 1,381,686 km (0.09 R)
• M5: 2,630,379 km (0.116 R)
• M6: 4,971,137 km (0.112 R)
• M7: 5,196,581 km (0.078 R)
• M8: 5,914,202 km (0.087 R)
• M9: 6,866,692 km (0.043 R)
• M10: 9,364,976 km (0.116 R)
• M11: 9,972,643 km (0.103 R)
• M12: 16,735,663 km (0.073 R)
• M13: 27,667,079 km (0.083 R)
• M14: 28,553,746 km (0.066 R)
• M15: 30,383,776 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.1

Radius: 7.9

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.52 AU - 8.22 AU

Year: 12213 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,963,982 km

• M1: 100,829 km (0.08 R)
• M2: 471,233 km (0.115 R)
• M3: 1,064,838 km (0.101 R)
• M4: 2,594,775 km (0.111 R)
• M5: 3,283,075 km (0.114 R)
• M6: 4,177,670 km (0.12 R)
• M7: 5,225,753 km (0.112 R)
• M8: 5,887,424 km (0.112 R)
• M9: 6,238,530 km (0.088 R)
• M10: 9,894,104 km (0.08 R)
• M11: 10,168,167 km (0.083 R)
• M12: 10,503,865 km (0.069 R)
• M13: 12,044,573 km (0.116 R)
• M14: 12,675,428 km (0.033 R)
• M15: 13,064,382 km (0.093 R)
• M16: 13,934,443 km (0.029 R)
• M17: 14,559,014 km (0.07 R)
• M18: 17,403,767 km (0.041 R)
• M19: 18,788,595 km (0.107 R)
• M20: 19,294,535 km (0.059 R)
• M21: 22,522,558 km (0.113 R)
• M22: 24,965,042 km (0.091 R)
• M23: 27,255,834 km (0.084 R)
• M24: 28,562,721 km (0.081 R)
• M25: 31,654,909 km (0.087 R)
• M26: 35,344,591 km (0.112 R)
• M27: 37,557,742 km (0.098 R)
• M28: 38,360,335 km (0.096 R)
• M29: 39,448,360 km (0.099 R)
• M30: 39,999,927 km (0.111 R)
• M31: 41,118,620 km (0.104 R)
• M32: 44,748,912 km (0.087 R)
• M33: 45,954,222 km (0.088 R)
• M34: 46,411,692 km (0.097 R)
• M35: 47,491,190 km (0.057 R)
• M36: 49,062,118 km (0.038 R)
• M37: 61,040,569 km (0.102 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: 440 - 15,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit