🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 8.1

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,738,057 km

• M1: 100,679 km (0.115 R)
• M2: 482,154 km (0.101 R)
• M3: 762,949 km (0.04 R)
• M4: 1,085,781 km (0.088 R)
• M5: 1,474,736 km (0.046 R)
• M6: 1,809,835 km (0.119 R)
• M7: 2,219,584 km (0.108 R)
• M8: 2,517,433 km (0.117 R)
• M9: 3,009,610 km (0.095 R)
• M10: 3,621,016 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.8

Radius: 9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.96 AU - 1.12 AU

Year: 719 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,738,057 km

• M1: 111,899 km (0.098 R)
• M2: 408,253 km (0.07 R)
• M3: 739,761 km (0.099 R)
• M4: 1,583,344 km (0.037 R)
• M5: 1,896,303 km (0.113 R)
• M6: 2,290,942 km (0.116 R)
• M7: 2,631,277 km (0.095 R)
• M8: 3,267,367 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 12.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.86 AU - 1.32 AU

Year: 772 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,738,057 km

• M1: 155,582 km (0.105 R)
• M2: 558,748 km (0.062 R)
• M3: 1,000,810 km (0.114 R)
• M4: 1,700,479 km (0.04 R)
• M5: 2,190,262 km (0.032 R)
• M6: 3,182,396 km (0.041 R)
• M7: 6,057,816 km (0.042 R)
• M8: 6,548,348 km (0.103 R)
• M9: 7,044,115 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 11.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.34 AU - 2.46 AU

Year: 2522 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,738,057 km

• M1: 149,897 km (0.082 R)
• M2: 711,787 km (0.058 R)
• M3: 1,928,466 km (0.055 R)
• M4: 2,425,131 km (0.115 R)
• M5: 3,467,379 km (0.113 R)
• M6: 3,881,167 km (0.114 R)
• M7: 5,302,347 km (0.093 R)
• M8: 7,505,325 km (0.11 R)
• M9: 7,924,498 km (0.075 R)
• M10: 10,665,431 km (0.079 R)
• M11: 11,586,205 km (0.117 R)
• M12: 16,000,988 km (0.099 R)
• M13: 16,798,494 km (0.1 R)
• M14: 17,413,940 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 9.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.55 AU - 3.03 AU

Year: 3161 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,738,057 km

• M1: 114,442 km (0.085 R)
• M2: 557,701 km (0.107 R)
• M3: 956,828 km (0.085 R)
• M4: 1,267,992 km (0.116 R)
• M5: 1,626,428 km (0.103 R)
• M6: 2,684,833 km (0.11 R)
• M7: 3,513,904 km (0.108 R)
• M8: 3,948,486 km (0.06 R)
• M9: 4,334,449 km (0.05 R)
• M10: 4,948,847 km (0.055 R)
• M11: 5,301,300 km (0.108 R)
• M12: 6,599,211 km (0.114 R)
• M13: 8,001,541 km (0.098 R)
• M14: 8,823,582 km (0.106 R)
• M15: 9,592,664 km (0.063 R)
• M16: 10,292,184 km (0.103 R)
• M17: 11,384,548 km (0.108 R)
• M18: 13,210,090 km (0.118 R)
• M19: 15,568,650 km (0.115 R)
• M20: 16,794,904 km (0.097 R)
• M21: 17,647,462 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 9.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.9 AU - 4.26 AU

Year: 4594 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,738,057 km

• M1: 118,631 km (0.074 R)
• M2: 591,211 km (0.08 R)
• M3: 1,121,086 km (0.087 R)
• M4: 1,705,565 km (0.029 R)
• M5: 4,174,229 km (0.057 R)
• M6: 5,414,994 km (0.089 R)
• M7: 6,653,664 km (0.119 R)
• M8: 11,420,601 km (0.077 R)
• M9: 12,598,385 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 11.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.26 AU - 4.46 AU

Year: 5144 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,738,057 km

• M1: 141,968 km (0.079 R)
• M2: 499,208 km (0.051 R)
• M3: 1,118,992 km (0.114 R)
• M4: 1,485,357 km (0.114 R)
• M5: 1,961,527 km (0.054 R)
• M6: 2,504,717 km (0.058 R)
• M7: 4,011,018 km (0.106 R)
• M8: 4,837,846 km (0.113 R)
• M9: 5,193,290 km (0.113 R)
• M10: 6,112,719 km (0.074 R)
• M11: 6,761,225 km (0.073 R)
• M12: 10,853,176 km (0.09 R)
• M13: 13,549,229 km (0.094 R)
• M14: 17,415,436 km (0.102 R)
• M15: 17,864,379 km (0.112 R)
• M16: 18,320,952 km (0.103 R)
• M17: 19,257,734 km (0.039 R)
• M18: 19,946,183 km (0.1 R)
• M19: 20,367,002 km (0.055 R)
• M20: 21,081,781 km (0.073 R)
• M21: 21,518,457 km (0.078 R)
• M22: 23,171,813 km (0.096 R)
• M23: 23,559,121 km (0.098 R)
• M24: 26,814,970 km (0.098 R)
• M25: 29,899,977 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 9.1

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.84 AU - 4.14 AU

Year: 5406 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,738,057 km

• M1: 119,379 km (0.076 R)
• M2: 559,496 km (0.105 R)
• M3: 871,258 km (0.047 R)
• M4: 2,003,863 km (0.114 R)
• M5: 2,580,862 km (0.107 R)
• M6: 3,350,095 km (0.073 R)
• M7: 4,711,735 km (0.117 R)
• M8: 5,219,171 km (0.089 R)
• M9: 6,178,093 km (0.038 R)
• M10: 7,888,445 km (0.105 R)
• M11: 9,020,602 km (0.105 R)
• M12: 9,319,798 km (0.115 R)
• M13: 9,938,385 km (0.07 R)
• M14: 11,604,456 km (0.045 R)
• M15: 14,939,891 km (0.101 R)
• M16: 15,359,513 km (0.081 R)
• M17: 15,786,914 km (0.102 R)
• M18: 16,793,857 km (0.098 R)
• M19: 17,313,111 km (0.11 R)
• M20: 18,111,814 km (0.067 R)
• M21: 21,101,976 km (0.085 R)
• M22: 22,322,845 km (0.091 R)
• M23: 24,406,294 km (0.087 R)
• M24: 25,072,603 km (0.029 R)
• M25: 25,410,246 km (0.087 R)
• M26: 26,616,004 km (0.057 R)
• M27: 31,723,724 km (0.062 R)
• M28: 32,818,182 km (0.038 R)
• M29: 34,454,933 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 13.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.83 AU - 5.83 AU

Year: 8346 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,738,057 km

• M1: 162,912 km (0.091 R)
• M2: 666,758 km (0.045 R)
• M3: 1,418,936 km (0.107 R)
• M4: 2,037,822 km (0.062 R)
• M5: 2,690,219 km (0.09 R)
• M6: 3,314,042 km (0.119 R)
• M7: 3,850,350 km (0.07 R)
• M8: 4,587,718 km (0.099 R)
• M9: 5,749,046 km (0.103 R)
• M10: 6,490,603 km (0.073 R)
• M11: 7,951,725 km (0.062 R)
• M12: 11,955,712 km (0.102 R)
• M13: 12,579,386 km (0.087 R)
• M14: 13,524,994 km (0.072 R)
• M15: 14,390,717 km (0.034 R)
• M16: 14,966,669 km (0.101 R)
• M17: 15,691,321 km (0.049 R)
• M18: 16,164,499 km (0.116 R)
• M19: 17,210,786 km (0.049 R)
• M20: 18,079,950 km (0.097 R)
• M21: 22,527,794 km (0.059 R)
• M22: 25,004,087 km (0.108 R)
• M23: 29,254,013 km (0.081 R)
• M24: 29,868,561 km (0.094 R)
• M25: 31,764,116 km (0.089 R)
• M26: 32,851,244 km (0.114 R)
• M27: 33,404,008 km (0.117 R)
• M28: 35,099,700 km (0.107 R)
• M29: 35,910,370 km (0.114 R)
• M30: 40,911,427 km (0.066 R)
• M31: 45,806,868 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.9

Radius: 7.5

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.63 AU - 7.95 AU

Year: 13350 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,738,057 km

• M1: 96,790 km (0.043 R)
• M2: 394,340 km (0.081 R)
• M3: 1,020,856 km (0.096 R)
• M4: 3,109,392 km (0.084 R)
• M5: 3,811,155 km (0.118 R)
• M6: 5,341,242 km (0.112 R)
• M7: 6,102,696 km (0.08 R)
• M8: 7,698,606 km (0.104 R)
• M9: 8,820,739 km (0.117 R)
• M10: 10,216,039 km (0.074 R)
• M11: 10,673,509 km (0.066 R)
• M12: 12,255,058 km (0.086 R)
• M13: 14,766,357 km (0.106 R)
• M14: 17,359,187 km (0.086 R)
• M15: 18,763,014 km (0.091 R)
• M16: 23,722,632 km (0.093 R)
• M17: 25,866,369 km (0.067 R)
• M18: 33,315,745 km (0.082 R)
• M19: 34,067,923 km (0.048 R)
• M20: 40,497,939 km (0.079 R)
• M21: 51,589,125 km (0.118 R)
• M22: 61,309,695 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit