🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 12.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.93 AU - 1.27 AU

Year: 745 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,796,019 km

• M1: 153,039 km (0.075 R)
• M2: 537,505 km (0.11 R)
• M3: 1,116,000 km (0.055 R)
• M4: 1,523,206 km (0.112 R)
• M5: 1,959,882 km (0.106 R)
• M6: 2,480,632 km (0.103 R)
• M7: 3,678,612 km (0.073 R)
• M8: 4,169,143 km (0.111 R)
• M9: 4,573,656 km (0.102 R)
• M10: 4,987,294 km (0.094 R)
• M11: 5,852,269 km (0.054 R)
• M12: 7,093,033 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 14.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.22 AU - 4.14 AU

Year: 4558 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,796,019 km

• M1: 179,069 km (0.091 R)
• M2: 646,712 km (0.119 R)
• M3: 1,098,946 km (0.073 R)
• M4: 1,676,244 km (0.087 R)
• M5: 2,724,028 km (0.07 R)
• M6: 3,897,324 km (0.119 R)
• M7: 4,791,021 km (0.052 R)
• M8: 5,301,001 km (0.107 R)
• M9: 8,044,476 km (0.114 R)
• M10: 9,829,029 km (0.115 R)
• M11: 12,058,486 km (0.084 R)
• M12: 12,905,509 km (0.109 R)
• M13: 13,422,071 km (0.089 R)
• M14: 13,898,689 km (0.047 R)
• M15: 15,628,041 km (0.067 R)
• M16: 16,096,731 km (0.117 R)
• M17: 18,323,495 km (0.088 R)
• M18: 19,781,476 km (0.096 R)
• M19: 20,261,236 km (0.035 R)
• M20: 20,748,776 km (0.119 R)
• M21: 22,703,122 km (0.109 R)
• M22: 24,777,447 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 14.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.19 AU - 5.51 AU

Year: 7990 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,796,019 km

• M1: 191,485 km (0.085 R)
• M2: 796,309 km (0.1 R)
• M3: 1,307,037 km (0.111 R)
• M4: 1,839,605 km (0.062 R)
• M5: 3,047,907 km (0.069 R)
• M6: 3,791,408 km (0.07 R)
• M7: 4,361,077 km (0.107 R)
• M8: 6,089,830 km (0.114 R)
• M9: 7,018,833 km (0.077 R)
• M10: 7,805,119 km (0.095 R)
• M11: 13,307,628 km (0.108 R)
• M12: 18,922,186 km (0.107 R)
• M13: 20,521,238 km (0.067 R)
• M14: 21,895,144 km (0.104 R)
• M15: 26,829,929 km (0.045 R)
• M16: 30,568,829 km (0.098 R)
• M17: 31,059,360 km (0.089 R)
• M18: 31,655,059 km (0.05 R)
• M19: 34,114,149 km (0.062 R)
• M20: 35,498,079 km (0.108 R)
• M21: 36,587,899 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.1

Radius: 5.3

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.22 AU - 7.8 AU

Year: 11984 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,796,019 km

• M1: 65,973 km (0.089 R)
• M2: 275,410 km (0.111 R)
• M3: 707,598 km (0.103 R)
• M4: 974,630 km (0.085 R)
• M5: 1,513,482 km (0.066 R)
• M6: 1,711,998 km (0.106 R)
• M7: 2,075,970 km (0.118 R)
• M8: 2,606,593 km (0.097 R)
• M9: 3,627,599 km (0.064 R)
• M10: 4,800,446 km (0.045 R)
• M11: 6,983,677 km (0.099 R)
• M12: 7,375,923 km (0.036 R)
• M13: 8,333,649 km (0.116 R)
• M14: 8,819,842 km (0.119 R)
• M15: 9,897,395 km (0.094 R)
• M16: 10,093,368 km (0.116 R)
• M17: 13,713,038 km (0.109 R)
• M18: 16,281,783 km (0.058 R)
• M19: 21,599,838 km (0.086 R)
• M20: 22,769,694 km (0.114 R)
• M21: 28,460,247 km (0.109 R)
• M22: 30,687,610 km (0.106 R)
• M23: 35,485,812 km (0.079 R)
• M24: 36,525,218 km (0.113 R)
• M25: 37,822,979 km (0.112 R)
• M26: 38,422,867 km (0.083 R)
• M27: 38,907,414 km (0.096 R)
• M28: 40,012,494 km (0.065 R)
• M29: 40,385,441 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 4.8

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.22 AU - 9.76 AU

Year: 14583 Days

Day: 18.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,796,019 km

• M1: 192,084 km (0.09 R)
• M2: 717,771 km (0.096 R)
• M3: 876,943 km (0.116 R)
• M4: 1,403,677 km (0.053 R)
• M5: 1,578,856 km (0.09 R)
• M6: 4,110,201 km (0.079 R)
• M7: 4,440,065 km (0.104 R)
• M8: 5,051,172 km (0.099 R)
• M9: 6,013,685 km (0.069 R)
• M10: 7,435,613 km (0.085 R)
• M11: 19,110,829 km (0.076 R)
• M12: 31,882,597 km (0.113 R)
• M13: 34,005,990 km (0.08 R)
• M14: 36,473,906 km (0.077 R)
• M15: 41,349,450 km (0.096 R)
• M16: 42,878,490 km (0.097 R)
• M17: 48,910,126 km (0.1 R)
• M18: 51,409,458 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.4

Radius: 4.6

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.15 AU - 8.61 AU

Year: 15663 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,796,019 km

• M1: 57,146 km (0.076 R)
• M2: 233,073 km (0.068 R)
• M3: 587,471 km (0.094 R)
• M4: 836,102 km (0.094 R)
• M5: 1,338,303 km (0.097 R)
• M6: 1,801,158 km (0.118 R)
• M7: 2,020,319 km (0.108 R)
• M8: 2,309,941 km (0.096 R)
• M9: 2,530,897 km (0.079 R)
• M10: 2,972,360 km (0.075 R)
• M11: 4,085,069 km (0.101 R)
• M12: 6,501,075 km (0.104 R)
• M13: 7,169,777 km (0.103 R)
• M14: 9,542,699 km (0.117 R)
• M15: 13,241,805 km (0.117 R)
• M16: 13,829,426 km (0.113 R)
• M17: 14,311,879 km (0.114 R)
• M18: 15,957,605 km (0.068 R)
• M19: 16,287,917 km (0.063 R)
• M20: 17,168,001 km (0.086 R)
• M21: 18,008,292 km (0.05 R)
• M22: 18,729,205 km (0.11 R)
• M23: 18,875,511 km (0.086 R)
• M24: 19,245,018 km (0.04 R)
• M25: 20,305,218 km (0.09 R)
• M26: 26,194,737 km (0.054 R)
• M27: 33,021,336 km (0.087 R)
• M28: 34,979,124 km (0.101 R)
• M29: 35,760,922 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.8

Radius: 3.5

Gravity: 76.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.29 AU - 13.15 AU

Year: 22662 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,796,019 km

• M1: 43,533 km (0.114 R)
• M2: 159,172 km (0.084 R)
• M3: 398,529 km (0.095 R)
• M4: 587,620 km (0.072 R)
• M5: 917,783 km (0.117 R)
• M6: 1,477,129 km (0.056 R)
• M7: 1,829,432 km (0.107 R)
• M8: 1,972,598 km (0.098 R)
• M9: 2,258,180 km (0.071 R)
• M10: 2,471,656 km (0.037 R)
• M11: 3,078,275 km (0.1 R)
• M12: 4,766,787 km (0.078 R)
• M13: 4,881,977 km (0.109 R)
• M14: 5,361,588 km (0.112 R)
• M15: 5,959,830 km (0.104 R)
• M16: 6,229,405 km (0.095 R)
• M17: 7,186,831 km (0.108 R)
• M18: 8,020,391 km (0.102 R)
• M19: 8,800,693 km (0.106 R)
• M20: 10,970,760 km (0.062 R)
• M21: 13,320,344 km (0.111 R)
• M22: 14,814,677 km (0.074 R)
• M23: 15,060,466 km (0.074 R)
• M24: 17,761,007 km (0.1 R)
• M25: 18,983,521 km (0.066 R)
• M26: 20,665,450 km (0.101 R)
• M27: 23,205,173 km (0.068 R)
• M28: 25,241,050 km (0.069 R)
• M29: 28,893,482 km (0.087 R)
• M30: 29,405,556 km (0.118 R)
• M31: 34,576,107 km (0.107 R)
• M32: 54,814,904 km (0.098 R)
• M33: 59,016,061 km (0.102 R)
• M34: 60,671,361 km (0.113 R)
• M35: 63,426,804 km (0.087 R)
• M36: 71,490,130 km (0.075 R)
• M37: 83,783,484 km (0.113 R)
• M38: 88,801,446 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 20,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit