🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 12.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.54 AU - 0.86 AU

Year: 378 Days

Day: 14.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,625,079 km

• M1: 160,369 km (0.111 R)
• M2: 565,480 km (0.105 R)
• M3: 1,005,148 km (0.07 R)
• M4: 1,481,917 km (0.093 R)
• M5: 1,995,636 km (0.026 R)
• M6: 2,534,786 km (0.089 R)
• M7: 2,940,945 km (0.074 R)
• M8: 3,350,095 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 9.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.47 AU - 1.99 AU

Year: 1469 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,625,079 km

• M1: 114,592 km (0.089 R)
• M2: 410,497 km (0.103 R)
• M3: 756,217 km (0.115 R)
• M4: 1,511,238 km (0.106 R)
• M5: 1,875,658 km (0.036 R)
• M6: 2,181,436 km (0.097 R)
• M7: 2,965,628 km (0.085 R)
• M8: 3,290,854 km (0.093 R)
• M9: 3,689,532 km (0.037 R)
• M10: 4,192,032 km (0.117 R)
• M11: 5,334,211 km (0.106 R)
• M12: 6,211,304 km (0.077 R)
• M13: 6,721,881 km (0.111 R)
• M14: 7,716,557 km (0.04 R)
• M15: 8,657,528 km (0.068 R)
• M16: 8,987,690 km (0.038 R)
• M17: 9,357,347 km (0.07 R)
• M18: 9,705,012 km (0.091 R)
• M19: 10,193,150 km (0.084 R)
• M20: 10,561,460 km (0.097 R)
• M21: 12,806,176 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 8.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.95 AU - 2.33 AU

Year: 2021 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,625,079 km

• M1: 103,821 km (0.098 R)
• M2: 480,658 km (0.088 R)
• M3: 792,719 km (0.062 R)
• M4: 1,274,125 km (0.051 R)
• M5: 2,368,733 km (0.06 R)
• M6: 2,860,760 km (0.092 R)
• M7: 3,353,835 km (0.052 R)
• M8: 3,724,837 km (0.031 R)
• M9: 4,123,067 km (0.119 R)
• M10: 4,940,918 km (0.074 R)
• M11: 5,221,714 km (0.025 R)
• M12: 5,768,195 km (0.072 R)
• M13: 7,384,600 km (0.12 R)
• M14: 8,221,899 km (0.117 R)
• M15: 11,446,930 km (0.089 R)
• M16: 11,863,410 km (0.104 R)
• M17: 12,133,584 km (0.107 R)
• M18: 13,132,449 km (0.103 R)
• M19: 13,715,133 km (0.084 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 8.8

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.75 AU - 3.27 AU

Year: 3372 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,625,079 km

• M1: 109,506 km (0.105 R)
• M2: 389,254 km (0.051 R)
• M3: 666,309 km (0.107 R)
• M4: 974,929 km (0.087 R)
• M5: 1,308,832 km (0.116 R)
• M6: 1,588,729 km (0.114 R)
• M7: 2,732,704 km (0.079 R)
• M8: 3,330,348 km (0.093 R)
• M9: 3,881,915 km (0.09 R)
• M10: 4,884,819 km (0.094 R)
• M11: 5,406,317 km (0.058 R)
• M12: 5,680,680 km (0.104 R)
• M13: 6,198,139 km (0.11 R)
• M14: 6,591,282 km (0.057 R)
• M15: 7,427,385 km (0.08 R)
• M16: 9,426,611 km (0.12 R)
• M17: 10,318,513 km (0.092 R)
• M18: 10,742,025 km (0.073 R)
• M19: 13,282,346 km (0.118 R)
• M20: 14,142,384 km (0.072 R)
• M21: 15,528,708 km (0.111 R)
• M22: 17,297,403 km (0.058 R)
• M23: 18,199,778 km (0.069 R)
• M24: 20,625,806 km (0.056 R)
• M25: 22,334,663 km (0.086 R)
• M26: 23,622,102 km (0.117 R)
• M27: 24,432,773 km (0.112 R)
• M28: 26,031,825 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 9.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.57 AU - 5.67 AU

Year: 8602 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,625,079 km

• M1: 122,072 km (0.083 R)
• M2: 572,661 km (0.108 R)
• M3: 926,908 km (0.101 R)
• M4: 1,232,238 km (0.102 R)
• M5: 1,798,166 km (0.075 R)
• M6: 2,159,146 km (0.087 R)
• M7: 2,628,135 km (0.115 R)
• M8: 3,029,058 km (0.103 R)
• M9: 3,720,050 km (0.039 R)
• M10: 4,541,791 km (0.09 R)
• M11: 5,785,099 km (0.116 R)
• M12: 6,808,498 km (0.057 R)
• M13: 7,445,187 km (0.076 R)
• M14: 8,252,118 km (0.047 R)
• M15: 9,069,371 km (0.11 R)
• M16: 9,889,915 km (0.116 R)
• M17: 10,864,545 km (0.094 R)
• M18: 16,158,814 km (0.066 R)
• M19: 17,950,099 km (0.079 R)
• M20: 20,593,344 km (0.109 R)
• M21: 21,002,793 km (0.029 R)
• M22: 21,753,625 km (0.032 R)
• M23: 22,608,577 km (0.045 R)
• M24: 23,932,817 km (0.066 R)
• M25: 25,778,107 km (0.073 R)
• M26: 29,438,467 km (0.109 R)
• M27: 30,062,889 km (0.103 R)
• M28: 30,590,072 km (0.086 R)
• M29: 32,760,587 km (0.108 R)
• M30: 33,206,688 km (0.046 R)
• M31: 33,883,469 km (0.086 R)
• M32: 39,632,814 km (0.052 R)
• M33: 41,294,996 km (0.099 R)
• M34: 45,307,211 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.59 AU - 6.83 AU

Year: 8810 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,625,079 km

• M1: 242,648 km (0.106 R)
• M2: 609,761 km (0.112 R)
• M3: 1,177,036 km (0.09 R)
• M4: 1,573,321 km (0.036 R)
• M5: 2,973,557 km (0.083 R)
• M6: 3,523,179 km (0.094 R)
• M7: 4,667,603 km (0.059 R)
• M8: 5,858,402 km (0.105 R)
• M9: 6,394,112 km (0.083 R)
• M10: 7,100,813 km (0.078 R)
• M11: 7,491,413 km (0.072 R)
• M12: 8,629,852 km (0.08 R)
• M13: 9,493,032 km (0.091 R)
• M14: 12,026,173 km (0.115 R)
• M15: 13,528,883 km (0.056 R)
• M16: 13,854,857 km (0.111 R)
• M17: 16,530,864 km (0.097 R)
• M18: 18,987,261 km (0.062 R)
• M19: 22,049,380 km (0.079 R)
• M20: 22,501,315 km (0.11 R)
• M21: 31,541,365 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.7

Radius: 3.2

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.18 AU - 8.12 AU

Year: 12345 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,625,079 km

• M1: 39,793 km (0.066 R)
• M2: 197,619 km (0.119 R)
• M3: 385,663 km (0.087 R)
• M4: 512,822 km (0.074 R)
• M5: 1,161,029 km (0.093 R)
• M6: 1,340,247 km (0.106 R)
• M7: 1,496,577 km (0.063 R)
• M8: 1,877,453 km (0.088 R)
• M9: 2,040,066 km (0.104 R)
• M10: 2,176,799 km (0.074 R)
• M11: 2,683,935 km (0.074 R)
• M12: 3,265,572 km (0.103 R)
• M13: 3,598,278 km (0.111 R)
• M14: 3,979,303 km (0.087 R)
• M15: 5,002,403 km (0.05 R)
• M16: 5,740,818 km (0.112 R)
• M17: 6,048,541 km (0.074 R)
• M18: 6,224,319 km (0.089 R)
• M19: 8,694,778 km (0.073 R)
• M20: 9,331,167 km (0.115 R)
• M21: 11,640,360 km (0.081 R)
• M22: 14,241,717 km (0.108 R)
• M23: 20,397,819 km (0.069 R)
• M24: 22,760,269 km (0.116 R)
• M25: 23,702,137 km (0.117 R)
• M26: 28,116,920 km (0.112 R)
• M27: 30,722,466 km (0.049 R)
• M28: 31,345,691 km (0.108 R)
• M29: 31,977,442 km (0.044 R)
• M30: 36,291,845 km (0.115 R)
• M31: 39,985,865 km (0.113 R)
• M32: 42,241,801 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 7.9

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.43 AU - 10.71 AU

Year: 20633 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,625,079 km

• M1: 147,055 km (0.114 R)
• M2: 394,340 km (0.063 R)
• M3: 834,756 km (0.094 R)
• M4: 1,253,481 km (0.082 R)
• M5: 1,512,135 km (0.092 R)
• M6: 1,806,843 km (0.093 R)
• M7: 2,399,251 km (0.06 R)
• M8: 2,879,011 km (0.117 R)
• M9: 4,258,603 km (0.087 R)
• M10: 5,459,873 km (0.098 R)
• M11: 6,965,426 km (0.09 R)
• M12: 7,889,642 km (0.075 R)
• M13: 13,257,513 km (0.08 R)
• M14: 13,989,794 km (0.106 R)
• M15: 17,534,965 km (0.079 R)
• M16: 18,868,929 km (0.098 R)
• M17: 26,110,064 km (0.037 R)
• M18: 27,375,962 km (0.107 R)
• M19: 29,905,362 km (0.056 R)
• M20: 32,586,455 km (0.032 R)
• M21: 34,188,349 km (0.052 R)
• M22: 41,894,136 km (0.05 R)
• M23: 42,991,286 km (0.116 R)
• M24: 45,242,734 km (0.095 R)
• M25: 51,927,066 km (0.111 R)
• M26: 62,429,585 km (0.057 R)
• M27: 62,836,042 km (0.115 R)
• M28: 67,424,957 km (0.119 R)
• M29: 67,852,807 km (0.07 R)
• M30: 70,678,561 km (0.026 R)
• M31: 72,008,935 km (0.063 R)
• M32: 78,438,203 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit