🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954

Radius: 12.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 123.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,196,712 km

• M1: 154,235 km (0.107 R)
• M2: 674,238 km (0.097 R)
• M3: 1,209,200 km (0.077 R)
• M4: 1,726,958 km (0.091 R)
• M5: 2,455,350 km (0.097 R)
• M6: 2,907,135 km (0.052 R)
• M7: 3,702,398 km (0.045 R)
• M8: 4,259,650 km (0.071 R)
• M9: 4,947,351 km (0.081 R)
• M10: 5,413,797 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 13.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.87 AU - 2.43 AU

Year: 2176 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 137.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,196,712 km

• M1: 165,306 km (0.093 R)
• M2: 738,864 km (0.091 R)
• M3: 1,284,298 km (0.075 R)
• M4: 1,871,769 km (0.087 R)
• M5: 2,395,959 km (0.112 R)
• M6: 3,181,049 km (0.108 R)
• M7: 3,598,278 km (0.059 R)
• M8: 4,417,775 km (0.114 R)
• M9: 4,917,282 km (0.118 R)
• M10: 6,956,750 km (0.119 R)
• M11: 8,325,720 km (0.101 R)
• M12: 9,615,852 km (0.111 R)
• M13: 10,346,338 km (0.11 R)
• M14: 12,589,708 km (0.094 R)
• M15: 14,426,171 km (0.093 R)
• M16: 15,878,767 km (0.102 R)
• M17: 16,692,280 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 8.9

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.26 AU - 2.6 AU

Year: 2615 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,196,712 km

• M1: 110,702 km (0.037 R)
• M2: 397,332 km (0.068 R)
• M3: 708,196 km (0.043 R)
• M4: 1,006,943 km (0.064 R)
• M5: 1,372,261 km (0.093 R)
• M6: 2,167,224 km (0.051 R)
• M7: 2,865,846 km (0.026 R)
• M8: 3,668,289 km (0.116 R)
• M9: 4,346,417 km (0.062 R)
• M10: 4,961,563 km (0.078 R)
• M11: 5,711,796 km (0.093 R)
• M12: 7,373,829 km (0.091 R)
• M13: 8,693,581 km (0.101 R)
• M14: 9,933,448 km (0.081 R)
• M15: 11,204,581 km (0.116 R)
• M16: 12,447,291 km (0.108 R)
• M17: 12,941,861 km (0.074 R)
• M18: 13,590,219 km (0.034 R)
• M19: 14,018,368 km (0.075 R)
• M20: 15,926,189 km (0.088 R)
• M21: 16,402,210 km (0.081 R)
• M22: 19,043,809 km (0.103 R)
• M23: 19,580,117 km (0.039 R)
• M24: 20,745,634 km (0.097 R)
• M25: 21,313,508 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 14.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.1 AU - 3.46 AU

Year: 4100 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,196,712 km

• M1: 176,525 km (0.072 R)
• M2: 628,909 km (0.098 R)
• M3: 1,180,327 km (0.04 R)
• M4: 1,924,128 km (0.1 R)
• M5: 2,397,156 km (0.119 R)
• M6: 2,859,713 km (0.1 R)
• M7: 3,362,811 km (0.108 R)
• M8: 3,859,625 km (0.065 R)
• M9: 6,119,151 km (0.11 R)
• M10: 6,704,677 km (0.057 R)
• M11: 7,463,587 km (0.116 R)
• M12: 7,917,467 km (0.106 R)
• M13: 8,727,839 km (0.115 R)
• M14: 9,391,306 km (0.052 R)
• M15: 11,493,904 km (0.052 R)
• M16: 13,227,294 km (0.072 R)
• M17: 13,738,320 km (0.065 R)
• M18: 16,436,168 km (0.062 R)
• M19: 17,510,431 km (0.091 R)
• M20: 20,536,496 km (0.119 R)
• M21: 21,853,407 km (0.054 R)
• M22: 23,078,763 km (0.101 R)
• M23: 27,357,860 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.7

Radius: 10.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.07 AU - 4.21 AU

Year: 4794 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,196,712 km

• M1: 135,835 km (0.091 R)
• M2: 497,114 km (0.099 R)
• M3: 910,453 km (0.08 R)
• M4: 1,406,968 km (0.106 R)
• M5: 2,192,357 km (0.112 R)
• M6: 2,700,690 km (0.092 R)
• M7: 3,064,213 km (0.101 R)
• M8: 7,947,088 km (0.079 R)
• M9: 8,444,052 km (0.073 R)
• M10: 9,817,659 km (0.055 R)
• M11: 12,714,323 km (0.106 R)
• M12: 13,895,847 km (0.067 R)
• M13: 16,137,571 km (0.119 R)
• M14: 17,640,431 km (0.096 R)
• M15: 20,196,909 km (0.081 R)
• M16: 22,147,815 km (0.112 R)
• M17: 22,566,689 km (0.109 R)
• M18: 24,890,393 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 14.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.78 AU - 5.72 AU

Year: 7146 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,196,712 km

• M1: 180,415 km (0.108 R)
• M2: 836,551 km (0.074 R)
• M3: 1,411,606 km (0.116 R)
• M4: 2,529,102 km (0.102 R)
• M5: 3,001,232 km (0.059 R)
• M6: 3,576,137 km (0.1 R)
• M7: 4,055,299 km (0.101 R)
• M8: 4,525,635 km (0.059 R)
• M9: 5,060,447 km (0.037 R)
• M10: 5,548,136 km (0.078 R)
• M11: 7,274,795 km (0.105 R)
• M12: 9,252,778 km (0.104 R)
• M13: 12,419,166 km (0.1 R)
• M14: 14,759,326 km (0.102 R)
• M15: 15,402,447 km (0.038 R)
• M16: 17,965,807 km (0.113 R)
• M17: 18,430,308 km (0.066 R)
• M18: 20,297,738 km (0.1 R)
• M19: 20,801,883 km (0.084 R)
• M20: 21,388,157 km (0.12 R)
• M21: 23,844,704 km (0.066 R)
• M22: 25,141,119 km (0.03 R)
• M23: 31,274,931 km (0.106 R)
• M24: 31,754,841 km (0.073 R)
• M25: 32,926,491 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.2

Radius: 5.2

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.1 AU - 7.3 AU

Year: 11971 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,196,712 km

• M1: 73,004 km (0.082 R)
• M2: 244,593 km (0.099 R)
• M3: 422,315 km (0.084 R)
• M4: 885,470 km (0.087 R)
• M5: 1,595,910 km (0.092 R)
• M6: 1,851,423 km (0.067 R)
• M7: 7,482,736 km (0.032 R)
• M8: 8,117,180 km (0.114 R)
• M9: 8,701,061 km (0.113 R)
• M10: 10,045,946 km (0.096 R)
• M11: 11,065,904 km (0.119 R)
• M12: 11,420,750 km (0.118 R)
• M13: 11,783,226 km (0.066 R)
• M14: 12,695,175 km (0.047 R)
• M15: 12,916,430 km (0.106 R)
• M16: 18,602,196 km (0.07 R)
• M17: 20,510,766 km (0.102 R)
• M18: 21,434,233 km (0.115 R)
• M19: 23,779,629 km (0.115 R)
• M20: 24,200,597 km (0.075 R)
• M21: 25,318,392 km (0.111 R)
• M22: 26,022,998 km (0.09 R)
• M23: 32,860,219 km (0.104 R)
• M24: 33,804,182 km (0.056 R)
• M25: 36,298,427 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.4

Radius: 4.5

Gravity: 19.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.51 AU - 8.27 AU

Year: 12484 Days

Day: 20.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,196,712 km

• M1: 55,950 km (0.111 R)
• M2: 217,366 km (0.052 R)
• M3: 366,066 km (0.114 R)
• M4: 586,274 km (0.09 R)
• M5: 731,534 km (0.109 R)
• M6: 940,223 km (0.077 R)
• M7: 1,119,441 km (0.099 R)
• M8: 1,519,466 km (0.084 R)
• M9: 1,861,596 km (0.108 R)
• M10: 2,181,586 km (0.088 R)
• M11: 2,596,720 km (0.1 R)
• M12: 4,469,536 km (0.111 R)
• M13: 5,104,878 km (0.107 R)
• M14: 9,684,368 km (0.086 R)
• M15: 9,979,076 km (0.033 R)
• M16: 10,534,981 km (0.112 R)
• M17: 10,689,965 km (0.097 R)
• M18: 12,326,117 km (0.097 R)
• M19: 12,789,122 km (0.071 R)
• M20: 16,016,995 km (0.075 R)
• M21: 17,854,207 km (0.086 R)
• M22: 18,899,447 km (0.114 R)
• M23: 19,128,631 km (0.118 R)
• M24: 21,440,516 km (0.034 R)
• M25: 22,194,190 km (0.091 R)
• M26: 23,577,372 km (0.105 R)
• M27: 29,892,497 km (0.091 R)
• M28: 30,832,420 km (0.083 R)
• M29: 32,007,811 km (0.089 R)
• M30: 33,882,571 km (0.105 R)
• M31: 41,725,688 km (0.047 R)
• M32: 43,162,426 km (0.118 R)
• M33: 45,174,368 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.9

Radius: 6.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.14 AU - 10.68 AU

Year: 18358 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,196,712 km

• M1: 77,342 km (0.059 R)
• M2: 398,080 km (0.03 R)
• M3: 637,885 km (0.115 R)
• M4: 892,800 km (0.047 R)
• M5: 1,154,297 km (0.116 R)
• M6: 1,356,703 km (0.04 R)
• M7: 1,987,109 km (0.064 R)
• M8: 2,437,697 km (0.071 R)
• M9: 3,387,644 km (0.108 R)
• M10: 4,410,594 km (0.09 R)
• M11: 5,311,173 km (0.099 R)
• M12: 9,480,915 km (0.064 R)
• M13: 9,995,681 km (0.114 R)
• M14: 10,692,358 km (0.118 R)
• M15: 12,423,056 km (0.082 R)
• M16: 12,667,200 km (0.079 R)
• M17: 13,482,658 km (0.091 R)
• M18: 13,870,565 km (0.095 R)
• M19: 18,642,288 km (0.038 R)
• M20: 20,195,413 km (0.073 R)
• M21: 20,788,719 km (0.109 R)
• M22: 21,046,476 km (0.116 R)
• M23: 25,467,392 km (0.118 R)
• M24: 26,259,662 km (0.102 R)
• M25: 30,913,802 km (0.047 R)
• M26: 34,025,886 km (0.089 R)
• M27: 37,088,155 km (0.098 R)
• M28: 41,269,415 km (0.094 R)
• M29: 43,613,464 km (0.053 R)
• M30: 44,603,952 km (0.067 R)
• M31: 52,436,148 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.9

Radius: 7.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.13 AU - 10.47 AU

Year: 19577 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,196,712 km

• M1: 92,003 km (0.113 R)
• M2: 407,505 km (0.113 R)
• M3: 807,081 km (0.112 R)
• M4: 2,847,147 km (0.042 R)
• M5: 3,355,331 km (0.079 R)
• M6: 3,754,009 km (0.095 R)
• M7: 4,213,873 km (0.086 R)
• M8: 5,245,799 km (0.111 R)
• M9: 5,600,346 km (0.08 R)
• M10: 6,436,897 km (0.056 R)
• M11: 6,968,867 km (0.068 R)
• M12: 9,548,832 km (0.118 R)
• M13: 10,240,573 km (0.108 R)
• M14: 10,851,530 km (0.097 R)
• M15: 13,150,401 km (0.101 R)
• M16: 15,610,239 km (0.068 R)
• M17: 19,681,395 km (0.108 R)
• M18: 19,935,861 km (0.118 R)
• M19: 21,152,241 km (0.079 R)
• M20: 21,419,274 km (0.107 R)
• M21: 26,514,876 km (0.063 R)
• M22: 29,618,434 km (0.104 R)
• M23: 32,128,536 km (0.085 R)
• M24: 37,567,466 km (0.12 R)
• M25: 39,017,219 km (0.093 R)
• M26: 42,875,049 km (0.053 R)
• M27: 46,828,621 km (0.102 R)
• M28: 47,434,343 km (0.08 R)
• M29: 49,752,213 km (0.112 R)
• M30: 54,612,348 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 14,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit