🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 12.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.62 AU - 0.76 AU

Year: 370 Days

Day: 5.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,209,040 km

• M1: 150,495 km (0.045 R)
• M2: 582,235 km (0.07 R)
• M3: 1,151,156 km (0.055 R)
• M4: 1,780,215 km (0.071 R)
• M5: 2,289,296 km (0.109 R)
• M6: 2,936,457 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 11

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.98 AU - 5.12 AU

Year: 7327 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,209,040 km

• M1: 138,378 km (0.1 R)
• M2: 502,649 km (0.109 R)
• M3: 854,204 km (0.068 R)
• M4: 1,429,707 km (0.119 R)
• M5: 2,205,222 km (0.115 R)
• M6: 3,886,702 km (0.109 R)
• M7: 6,710,960 km (0.092 R)
• M8: 8,439,265 km (0.064 R)
• M9: 8,853,800 km (0.115 R)
• M10: 11,382,304 km (0.051 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.9

Radius: 5.8

Gravity: 26.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.21 AU - 7.29 AU

Year: 10089 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,209,040 km

• M1: 74,051 km (0.047 R)
• M2: 307,124 km (0.102 R)
• M3: 570,417 km (0.064 R)
• M4: 980,764 km (0.063 R)
• M5: 1,208,003 km (0.118 R)
• M6: 1,570,628 km (0.105 R)
• M7: 2,333,876 km (0.117 R)
• M8: 2,657,457 km (0.05 R)
• M9: 3,222,488 km (0.095 R)
• M10: 6,377,208 km (0.106 R)
• M11: 6,767,957 km (0.104 R)
• M12: 7,683,646 km (0.12 R)
• M13: 11,596,528 km (0.101 R)
• M14: 13,718,424 km (0.038 R)
• M15: 15,661,850 km (0.1 R)
• M16: 19,920,602 km (0.07 R)
• M17: 20,168,336 km (0.088 R)
• M18: 20,838,983 km (0.036 R)
• M19: 23,395,461 km (0.04 R)
• M20: 25,275,458 km (0.112 R)
• M21: 29,546,926 km (0.081 R)
• M22: 35,229,999 km (0.099 R)
• M23: 36,324,757 km (0.064 R)
• M24: 44,069,438 km (0.089 R)
• M25: 47,658,291 km (0.114 R)
• M26: 49,297,435 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.9

Radius: 7.7

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.34 AU - 8.38 AU

Year: 11601 Days

Day: 17.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,209,040 km

• M1: 96,191 km (0.103 R)
• M2: 421,716 km (0.077 R)
• M3: 871,408 km (0.116 R)
• M4: 1,556,267 km (0.103 R)
• M5: 3,748,324 km (0.075 R)
• M6: 18,056,463 km (0.069 R)
• M7: 18,832,726 km (0.114 R)
• M8: 19,874,825 km (0.107 R)
• M9: 25,668,601 km (0.093 R)
• M10: 26,550,331 km (0.077 R)
• M11: 27,048,941 km (0.089 R)
• M12: 27,961,936 km (0.113 R)
• M13: 37,372,091 km (0.094 R)
• M14: 39,529,442 km (0.09 R)
• M15: 41,768,473 km (0.077 R)
• M16: 46,353,648 km (0.099 R)
• M17: 47,367,623 km (0.063 R)
• M18: 48,544,509 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 4.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.86 AU - 9.36 AU

Year: 13555 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,209,040 km

• M1: 57,146 km (0.073 R)
• M2: 444,006 km (0.093 R)
• M3: 747,690 km (0.066 R)
• M4: 932,892 km (0.087 R)
• M5: 1,788,143 km (0.099 R)
• M6: 2,138,202 km (0.048 R)
• M7: 2,896,963 km (0.112 R)
• M8: 4,007,727 km (0.06 R)
• M9: 5,731,094 km (0.12 R)
• M10: 9,705,760 km (0.086 R)
• M11: 16,093,141 km (0.096 R)
• M12: 21,724,453 km (0.045 R)
• M13: 25,466,943 km (0.098 R)
• M14: 30,721,120 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.1

Radius: 5.6

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.95 AU - 12.09 AU

Year: 22031 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,209,040 km

• M1: 70,461 km (0.111 R)
• M2: 699,071 km (0.029 R)
• M3: 1,157,289 km (0.06 R)
• M4: 1,466,358 km (0.066 R)
• M5: 2,403,589 km (0.074 R)
• M6: 2,732,555 km (0.115 R)
• M7: 2,930,622 km (0.073 R)
• M8: 3,330,946 km (0.09 R)
• M9: 4,446,198 km (0.059 R)
• M10: 4,783,392 km (0.109 R)
• M11: 5,648,666 km (0.065 R)
• M12: 7,094,230 km (0.075 R)
• M13: 8,260,346 km (0.053 R)
• M14: 9,399,533 km (0.117 R)
• M15: 10,214,842 km (0.057 R)
• M16: 10,532,438 km (0.108 R)
• M17: 12,338,533 km (0.11 R)
• M18: 13,503,302 km (0.09 R)
• M19: 14,873,918 km (0.049 R)
• M20: 17,736,772 km (0.106 R)
• M21: 23,777,684 km (0.069 R)
• M22: 28,695,714 km (0.075 R)
• M23: 32,175,211 km (0.045 R)
• M24: 38,158,378 km (0.069 R)
• M25: 45,408,339 km (0.097 R)
• M26: 48,162,735 km (0.091 R)
• M27: 49,055,087 km (0.104 R)
• M28: 49,958,508 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.3

Radius: 6.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.76 AU - 10.88 AU

Year: 22980 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,209,040 km

• M1: 84,672 km (0.067 R)
• M2: 405,709 km (0.108 R)
• M3: 669,151 km (0.043 R)
• M4: 1,305,391 km (0.097 R)
• M5: 1,668,465 km (0.099 R)
• M6: 2,288,249 km (0.073 R)
• M7: 2,863,602 km (0.109 R)
• M8: 3,478,450 km (0.077 R)
• M9: 3,775,551 km (0.114 R)
• M10: 4,118,729 km (0.08 R)
• M11: 5,741,117 km (0.069 R)
• M12: 6,195,446 km (0.05 R)
• M13: 7,305,462 km (0.09 R)
• M14: 8,736,964 km (0.073 R)
• M15: 9,389,361 km (0.12 R)
• M16: 9,753,931 km (0.104 R)
• M17: 12,764,438 km (0.079 R)
• M18: 13,669,954 km (0.095 R)
• M19: 14,342,397 km (0.108 R)
• M20: 14,686,771 km (0.088 R)
• M21: 15,392,125 km (0.046 R)
• M22: 15,680,550 km (0.102 R)
• M23: 15,972,565 km (0.092 R)
• M24: 17,099,934 km (0.086 R)
• M25: 18,930,115 km (0.099 R)
• M26: 20,624,610 km (0.066 R)
• M27: 26,931,057 km (0.099 R)
• M28: 29,069,260 km (0.102 R)
• M29: 29,955,478 km (0.114 R)
• M30: 39,965,071 km (0.106 R)
• M31: 42,882,080 km (0.083 R)
• M32: 44,903,746 km (0.111 R)
• M33: 46,988,093 km (0.113 R)
• M34: 47,443,020 km (0.04 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 14,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit