🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 13.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.21 AU

Year: 682 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,471,730 km

• M1: 171,888 km (0.112 R)
• M2: 623,374 km (0.12 R)
• M3: 1,134,999 km (0.102 R)
• M4: 1,724,265 km (0.084 R)
• M5: 2,349,285 km (0.12 R)
• M6: 2,835,927 km (0.078 R)
• M7: 4,001,893 km (0.068 R)
• M8: 4,637,384 km (0.091 R)
• M9: 5,429,804 km (0.112 R)
• M10: 6,013,535 km (0.095 R)
• M11: 6,659,798 km (0.063 R)
• M12: 7,374,577 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69

Radius: 12.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.96 AU - 1 AU

Year: 682 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,471,730 km

• M1: 156,629 km (0.082 R)
• M2: 799,900 km (0.108 R)
• M3: 1,219,671 km (0.096 R)
• M4: 1,715,888 km (0.103 R)
• M5: 2,115,613 km (0.09 R)
• M6: 3,658,865 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 9.3

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.91 AU - 1.15 AU

Year: 735 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,471,730 km

• M1: 116,387 km (0.086 R)
• M2: 405,709 km (0.088 R)
• M3: 1,010,234 km (0.112 R)
• M4: 2,090,929 km (0.093 R)
• M5: 2,639,654 km (0.083 R)
• M6: 2,954,857 km (0.083 R)
• M7: 3,405,147 km (0.098 R)
• M8: 3,885,505 km (0.116 R)
• M9: 4,733,725 km (0.098 R)
• M10: 5,700,427 km (0.073 R)
• M11: 6,336,367 km (0.095 R)
• M12: 6,660,696 km (0.087 R)
• M13: 7,319,225 km (0.044 R)
• M14: 8,045,523 km (0.104 R)
• M15: 8,765,986 km (0.103 R)
• M16: 9,060,694 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 14.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.22 AU - 1.22 AU

Year: 947 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,471,730 km

• M1: 184,005 km (0.082 R)
• M2: 656,286 km (0.043 R)
• M3: 1,188,705 km (0.107 R)
• M4: 1,708,108 km (0.118 R)
• M5: 2,179,491 km (0.071 R)
• M6: 2,862,406 km (0.102 R)
• M7: 3,761,190 km (0.08 R)
• M8: 4,733,426 km (0.072 R)
• M9: 5,385,972 km (0.114 R)
• M10: 6,444,227 km (0.116 R)
• M11: 7,152,723 km (0.043 R)
• M12: 8,457,815 km (0.082 R)
• M13: 9,594,759 km (0.099 R)
• M14: 10,215,291 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.9

Radius: 11.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.21 AU - 3.27 AU

Year: 3188 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,471,730 km

• M1: 146,157 km (0.1 R)
• M2: 586,573 km (0.102 R)
• M3: 1,026,989 km (0.113 R)
• M4: 2,455,499 km (0.111 R)
• M5: 2,879,759 km (0.082 R)
• M6: 6,014,433 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.17 AU - 3.33 AU

Year: 4118 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,471,730 km

• M1: 180,116 km (0.101 R)
• M2: 817,104 km (0.03 R)
• M3: 1,518,568 km (0.111 R)
• M4: 2,076,718 km (0.062 R)
• M5: 2,684,683 km (0.041 R)
• M6: 3,918,267 km (0.071 R)
• M7: 4,477,614 km (0.066 R)
• M8: 5,090,068 km (0.116 R)
• M9: 5,528,988 km (0.099 R)
• M10: 6,578,417 km (0.096 R)
• M11: 7,000,582 km (0.098 R)
• M12: 9,031,523 km (0.113 R)
• M13: 9,886,026 km (0.094 R)
• M14: 11,291,198 km (0.038 R)
• M15: 12,576,992 km (0.027 R)
• M16: 14,494,986 km (0.114 R)
• M17: 14,989,557 km (0.11 R)
• M18: 17,203,606 km (0.066 R)
• M19: 18,134,852 km (0.113 R)
• M20: 19,694,560 km (0.118 R)
• M21: 20,438,510 km (0.116 R)
• M22: 20,991,424 km (0.116 R)
• M23: 21,696,329 km (0.032 R)
• M24: 22,126,871 km (0.113 R)
• M25: 23,005,161 km (0.066 R)
• M26: 25,381,672 km (0.064 R)
• M27: 25,859,937 km (0.073 R)
• M28: 26,588,628 km (0.058 R)
• M29: 28,512,905 km (0.059 R)
• M30: 29,116,533 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.7

Radius: 7.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.92 AU - 5.94 AU

Year: 10151 Days

Day: 21 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,471,730 km

• M1: 112,198 km (0.084 R)
• M2: 445,502 km (0.082 R)
• M3: 795,561 km (0.107 R)
• M4: 1,390,363 km (0.093 R)
• M5: 1,804,898 km (0.07 R)
• M6: 2,267,156 km (0.116 R)
• M7: 2,938,551 km (0.095 R)
• M8: 3,196,607 km (0.116 R)
• M9: 3,850,649 km (0.101 R)
• M10: 6,546,852 km (0.113 R)
• M11: 7,524,025 km (0.091 R)
• M12: 9,083,882 km (0.079 R)
• M13: 9,721,019 km (0.049 R)
• M14: 16,174,223 km (0.096 R)
• M15: 17,492,778 km (0.106 R)
• M16: 17,947,855 km (0.096 R)
• M17: 19,987,921 km (0.076 R)
• M18: 20,845,566 km (0.1 R)
• M19: 22,634,158 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.8

Radius: 3.7

Gravity: 44.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.93 AU - 6.97 AU

Year: 10202 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,471,730 km

• M1: 82,279 km (0.115 R)
• M2: 380,278 km (0.113 R)
• M3: 992,133 km (0.079 R)
• M4: 1,378,395 km (0.06 R)
• M5: 2,382,496 km (0.098 R)
• M6: 4,199,511 km (0.073 R)
• M7: 4,782,345 km (0.077 R)
• M8: 6,852,480 km (0.084 R)
• M9: 7,008,660 km (0.111 R)
• M10: 8,932,938 km (0.102 R)
• M11: 12,066,115 km (0.104 R)
• M12: 12,351,249 km (0.082 R)
• M13: 12,758,305 km (0.078 R)
• M14: 20,947,292 km (0.114 R)
• M15: 21,442,312 km (0.116 R)
• M16: 22,199,426 km (0.062 R)
• M17: 22,887,128 km (0.07 R)
• M18: 23,500,479 km (0.03 R)
• M19: 23,945,234 km (0.107 R)
• M20: 25,035,652 km (0.101 R)
• M21: 25,874,747 km (0.03 R)
• M22: 30,668,760 km (0.053 R)
• M23: 45,168,534 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.3

Radius: 7.6

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.82 AU - 8.1 AU

Year: 15786 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,471,730 km

• M1: 97,987 km (0.084 R)
• M2: 383,569 km (0.088 R)
• M3: 1,174,343 km (0.106 R)
• M4: 1,462,469 km (0.084 R)
• M5: 2,535,834 km (0.094 R)
• M6: 3,122,407 km (0.113 R)
• M7: 5,465,558 km (0.089 R)
• M8: 7,035,588 km (0.11 R)
• M9: 7,346,452 km (0.079 R)
• M10: 10,228,754 km (0.1 R)
• M11: 10,860,805 km (0.05 R)
• M12: 11,518,438 km (0.112 R)
• M13: 12,202,549 km (0.047 R)
• M14: 13,515,120 km (0.101 R)
• M15: 15,507,315 km (0.064 R)
• M16: 17,769,085 km (0.086 R)
• M17: 18,346,234 km (0.102 R)
• M18: 21,053,656 km (0.072 R)
• M19: 24,721,946 km (0.105 R)
• M20: 40,745,374 km (0.055 R)
• M21: 47,325,586 km (0.093 R)
• M22: 49,559,082 km (0.105 R)
• M23: 61,413,367 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.4

Radius: 5.5

Gravity: 17.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.15 AU - 9.93 AU

Year: 19106 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,471,730 km

• M1: 68,366 km (0.093 R)
• M2: 269,725 km (0.09 R)
• M3: 461,509 km (0.075 R)
• M4: 701,614 km (0.096 R)
• M5: 877,840 km (0.028 R)
• M6: 2,037,822 km (0.103 R)
• M7: 2,717,595 km (0.085 R)
• M8: 3,400,210 km (0.107 R)
• M9: 5,968,057 km (0.063 R)
• M10: 7,663,301 km (0.103 R)
• M11: 7,949,930 km (0.042 R)
• M12: 13,083,979 km (0.113 R)
• M13: 13,631,956 km (0.08 R)
• M14: 14,195,043 km (0.036 R)
• M15: 14,994,494 km (0.064 R)
• M16: 15,442,988 km (0.1 R)
• M17: 17,490,534 km (0.045 R)
• M18: 18,836,466 km (0.114 R)
• M19: 19,183,533 km (0.109 R)
• M20: 20,250,166 km (0.116 R)
• M21: 21,923,418 km (0.11 R)
• M22: 27,827,149 km (0.116 R)
• M23: 29,891,001 km (0.09 R)
• M24: 31,322,353 km (0.092 R)
• M25: 32,923,649 km (0.037 R)
• M26: 33,808,221 km (0.099 R)
• M27: 36,288,853 km (0.058 R)
• M28: 43,844,294 km (0.11 R)
• M29: 47,106,724 km (0.059 R)
• M30: 48,878,561 km (0.114 R)
• M31: 49,698,507 km (0.055 R)
• M32: 50,360,926 km (0.119 R)
• M33: 52,042,855 km (0.089 R)
• M34: 54,109,999 km (0.103 R)
• M35: 62,926,998 km (0.071 R)
• M36: 67,269,675 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit