🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 12.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.48 AU - 1.82 AU

Year: 1368 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,755,778 km

• M1: 160,519 km (0.106 R)
• M2: 630,106 km (0.115 R)
• M3: 1,076,207 km (0.094 R)
• M4: 1,571,226 km (0.081 R)
• M5: 2,229,756 km (0.087 R)
• M6: 2,825,455 km (0.045 R)
• M7: 3,352,039 km (0.098 R)
• M8: 3,789,314 km (0.092 R)
• M9: 4,681,815 km (0.09 R)
• M10: 5,125,971 km (0.106 R)
• M11: 5,845,088 km (0.113 R)
• M12: 6,265,159 km (0.115 R)
• M13: 6,958,844 km (0.099 R)
• M14: 7,869,446 km (0.099 R)
• M15: 8,707,643 km (0.077 R)
• M16: 9,226,000 km (0.119 R)
• M17: 10,358,456 km (0.115 R)
• M18: 11,365,100 km (0.088 R)
• M19: 11,763,629 km (0.061 R)
• M20: 12,665,853 km (0.108 R)
• M21: 13,332,312 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 14.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.67 AU - 2.93 AU

Year: 3025 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,755,778 km

• M1: 177,872 km (0.101 R)
• M2: 791,373 km (0.071 R)
• M3: 1,450,950 km (0.086 R)
• M4: 2,453,405 km (0.102 R)
• M5: 3,290,106 km (0.025 R)
• M6: 4,249,328 km (0.08 R)
• M7: 5,246,846 km (0.071 R)
• M8: 5,751,889 km (0.111 R)
• M9: 7,144,046 km (0.106 R)
• M10: 7,614,831 km (0.096 R)
• M11: 8,232,670 km (0.11 R)
• M12: 9,256,219 km (0.107 R)
• M13: 10,662,588 km (0.083 R)
• M14: 12,042,180 km (0.104 R)
• M15: 14,123,984 km (0.085 R)
• M16: 15,589,893 km (0.112 R)
• M17: 16,083,865 km (0.076 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.8

Radius: 6.4

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.02 AU - 7.76 AU

Year: 10430 Days

Day: 17.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,755,778 km

• M1: 80,035 km (0.09 R)
• M2: 381,475 km (0.067 R)
• M3: 626,815 km (0.068 R)
• M4: 1,115,103 km (0.037 R)
• M5: 1,364,033 km (0.071 R)
• M6: 2,059,215 km (0.086 R)
• M7: 3,261,832 km (0.113 R)
• M8: 4,486,590 km (0.114 R)
• M9: 4,692,137 km (0.106 R)
• M10: 5,059,400 km (0.071 R)
• M11: 6,132,765 km (0.058 R)
• M12: 6,609,384 km (0.107 R)
• M13: 7,031,848 km (0.114 R)
• M14: 8,058,688 km (0.086 R)
• M15: 10,203,323 km (0.058 R)
• M16: 12,411,986 km (0.045 R)
• M17: 12,759,801 km (0.094 R)
• M18: 14,597,760 km (0.053 R)
• M19: 17,675,138 km (0.101 R)
• M20: 17,967,901 km (0.116 R)
• M21: 19,248,758 km (0.102 R)
• M22: 22,500,567 km (0.112 R)
• M23: 26,960,678 km (0.12 R)
• M24: 29,963,406 km (0.076 R)
• M25: 32,193,163 km (0.078 R)
• M26: 34,988,997 km (0.072 R)
• M27: 36,741,985 km (0.053 R)
• M28: 37,942,508 km (0.066 R)
• M29: 38,552,568 km (0.078 R)
• M30: 43,404,326 km (0.097 R)
• M31: 46,252,520 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.7

Radius: 6.1

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.43 AU - 7.95 AU

Year: 11173 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,755,778 km

• M1: 75,846 km (0.103 R)
• M2: 499,058 km (0.068 R)
• M3: 783,294 km (0.052 R)
• M4: 1,045,091 km (0.103 R)
• M5: 1,378,096 km (0.047 R)
• M6: 2,353,623 km (0.065 R)
• M7: 5,143,624 km (0.064 R)
• M8: 5,451,795 km (0.034 R)
• M9: 7,307,407 km (0.113 R)
• M10: 9,804,345 km (0.061 R)
• M11: 10,493,991 km (0.113 R)
• M12: 10,878,458 km (0.119 R)
• M13: 12,208,084 km (0.09 R)
• M14: 18,774,832 km (0.1 R)
• M15: 20,679,213 km (0.03 R)
• M16: 21,022,989 km (0.034 R)
• M17: 22,891,167 km (0.098 R)
• M18: 37,480,699 km (0.06 R)
• M19: 45,355,830 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.3

Radius: 5.2

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.58 AU - 8.84 AU

Year: 12500 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,755,778 km

• M1: 64,626 km (0.081 R)
• M2: 295,456 km (0.069 R)
• M3: 711,188 km (0.11 R)
• M4: 911,201 km (0.102 R)
• M5: 1,454,390 km (0.086 R)
• M6: 3,491,465 km (0.069 R)
• M7: 4,571,113 km (0.118 R)
• M8: 5,105,177 km (0.105 R)
• M9: 6,718,440 km (0.118 R)
• M10: 8,098,331 km (0.053 R)
• M11: 8,459,311 km (0.056 R)
• M12: 9,020,901 km (0.03 R)
• M13: 9,757,372 km (0.1 R)
• M14: 11,858,623 km (0.113 R)
• M15: 12,862,275 km (0.118 R)
• M16: 14,243,512 km (0.079 R)
• M17: 15,444,783 km (0.03 R)
• M18: 18,585,291 km (0.062 R)
• M19: 18,819,113 km (0.093 R)
• M20: 20,844,219 km (0.078 R)
• M21: 23,189,465 km (0.119 R)
• M22: 25,226,091 km (0.119 R)
• M23: 25,898,383 km (0.074 R)
• M24: 31,934,358 km (0.108 R)
• M25: 33,061,728 km (0.114 R)
• M26: 36,116,666 km (0.091 R)
• M27: 39,869,179 km (0.068 R)
• M28: 46,830,716 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 5.7

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.17 AU - 9.89 AU

Year: 17521 Days

Day: 25 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 26,755,778 km

• M1: 70,909 km (0.109 R)
• M2: 333,154 km (0.111 R)
• M3: 522,845 km (0.043 R)
• M4: 883,525 km (0.087 R)
• M5: 1,187,059 km (0.102 R)
• M6: 1,384,379 km (0.094 R)
• M7: 1,666,071 km (0.096 R)
• M8: 3,578,231 km (0.068 R)
• M9: 4,598,339 km (0.107 R)
• M10: 5,911,210 km (0.047 R)
• M11: 9,404,769 km (0.104 R)
• M12: 14,684,377 km (0.112 R)
• M13: 15,964,786 km (0.102 R)
• M14: 17,240,706 km (0.094 R)
• M15: 18,181,228 km (0.1 R)
• M16: 19,404,489 km (0.072 R)
• M17: 20,164,297 km (0.096 R)
• M18: 20,681,756 km (0.062 R)
• M19: 22,378,645 km (0.085 R)
• M20: 24,749,921 km (0.066 R)
• M21: 27,283,510 km (0.12 R)
• M22: 27,916,309 km (0.069 R)
• M23: 30,320,496 km (0.103 R)
• M24: 32,977,953 km (0.116 R)
• M25: 34,058,798 km (0.116 R)
• M26: 34,915,545 km (0.116 R)
• M27: 36,038,127 km (0.117 R)
• M28: 37,962,255 km (0.093 R)
• M29: 39,416,197 km (0.063 R)
• M30: 45,015,645 km (0.101 R)
• M31: 45,898,871 km (0.104 R)
• M32: 52,568,991 km (0.12 R)
• M33: 54,539,644 km (0.093 R)
• M34: 56,558,766 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26

Radius: 4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.06 AU - 10.58 AU

Year: 21406 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,755,778 km

• M1: 105,766 km (0.077 R)
• M2: 387,608 km (0.082 R)
• M3: 941,419 km (0.089 R)
• M4: 3,040,278 km (0.085 R)
• M5: 4,278,350 km (0.115 R)
• M6: 7,249,363 km (0.075 R)
• M7: 13,929,357 km (0.091 R)
• M8: 17,155,136 km (0.102 R)
• M9: 20,174,619 km (0.098 R)
• M10: 23,456,647 km (0.099 R)
• M11: 25,262,293 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 15,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit