🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 9.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.64 AU - 0.74 AU

Year: 389 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,265,010 km

• M1: 121,922 km (0.105 R)
• M2: 488,138 km (0.109 R)
• M3: 841,488 km (0.034 R)
• M4: 1,231,938 km (0.104 R)
• M5: 1,551,779 km (0.083 R)
• M6: 2,005,210 km (0.095 R)
• M7: 2,490,356 km (0.098 R)
• M8: 3,073,488 km (0.116 R)
• M9: 3,601,120 km (0.114 R)
• M10: 4,084,022 km (0.084 R)
• M11: 4,852,506 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 10.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.9 AU - 1.24 AU

Year: 751 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,265,010 km

• M1: 133,142 km (0.107 R)
• M2: 512,373 km (0.083 R)
• M3: 879,037 km (0.058 R)
• M4: 1,355,207 km (0.117 R)
• M5: 1,696,589 km (0.074 R)
• M6: 2,165,728 km (0.114 R)
• M7: 2,593,129 km (0.113 R)
• M8: 3,422,650 km (0.09 R)
• M9: 4,672,091 km (0.119 R)
• M10: 5,186,409 km (0.1 R)
• M11: 6,563,457 km (0.099 R)
• M12: 7,072,539 km (0.104 R)
• M13: 7,703,842 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 11.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.42 AU - 1.76 AU

Year: 1360 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,265,010 km

• M1: 142,417 km (0.091 R)
• M2: 543,639 km (0.048 R)
• M3: 973,583 km (0.111 R)
• M4: 1,390,363 km (0.085 R)
• M5: 1,871,320 km (0.087 R)
• M6: 2,224,371 km (0.115 R)
• M7: 2,634,119 km (0.117 R)
• M8: 3,227,724 km (0.119 R)
• M9: 3,593,341 km (0.08 R)
• M10: 3,971,075 km (0.06 R)
• M11: 4,392,193 km (0.047 R)
• M12: 5,135,695 km (0.117 R)
• M13: 5,577,308 km (0.059 R)
• M14: 6,804,908 km (0.06 R)
• M15: 7,314,887 km (0.094 R)
• M16: 7,925,396 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 14.5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.56 AU - 1.64 AU

Year: 1373 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,265,010 km

• M1: 180,265 km (0.091 R)
• M2: 649,404 km (0.117 R)
• M3: 1,138,889 km (0.105 R)
• M4: 1,819,708 km (0.048 R)
• M5: 2,894,719 km (0.115 R)
• M6: 3,415,469 km (0.025 R)
• M7: 3,867,404 km (0.069 R)
• M8: 4,893,646 km (0.099 R)
• M9: 6,072,327 km (0.081 R)
• M10: 9,982,217 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 12.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.91 AU - 5.01 AU

Year: 7492 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,265,010 km

• M1: 157,676 km (0.108 R)
• M2: 795,412 km (0.056 R)
• M3: 1,384,379 km (0.108 R)
• M4: 2,454,751 km (0.105 R)
• M5: 3,420,705 km (0.095 R)
• M6: 4,015,506 km (0.056 R)
• M7: 4,572,010 km (0.074 R)
• M8: 5,325,086 km (0.086 R)
• M9: 6,355,965 km (0.058 R)
• M10: 7,007,463 km (0.108 R)
• M11: 7,441,447 km (0.105 R)
• M12: 11,148,333 km (0.107 R)
• M13: 11,691,223 km (0.079 R)
• M14: 12,407,647 km (0.08 R)
• M15: 14,675,252 km (0.115 R)
• M16: 15,876,224 km (0.081 R)
• M17: 17,141,522 km (0.082 R)
• M18: 17,666,162 km (0.084 R)
• M19: 21,416,730 km (0.055 R)
• M20: 28,857,130 km (0.103 R)
• M21: 29,413,185 km (0.077 R)
• M22: 31,513,539 km (0.085 R)
• M23: 31,905,935 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 8.5

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.57 AU - 5.61 AU

Year: 7789 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,265,010 km

• M1: 105,915 km (0.062 R)
• M2: 406,757 km (0.105 R)
• M3: 910,453 km (0.071 R)
• M4: 1,251,536 km (0.115 R)
• M5: 1,747,902 km (0.118 R)
• M6: 2,181,137 km (0.107 R)
• M7: 3,175,664 km (0.043 R)
• M8: 3,582,570 km (0.082 R)
• M9: 4,205,047 km (0.101 R)
• M10: 4,611,953 km (0.103 R)
• M11: 5,536,468 km (0.115 R)
• M12: 8,194,523 km (0.068 R)
• M13: 8,487,286 km (0.091 R)
• M14: 9,272,674 km (0.074 R)
• M15: 9,775,922 km (0.09 R)
• M16: 11,190,070 km (0.115 R)
• M17: 11,498,990 km (0.109 R)
• M18: 13,940,726 km (0.106 R)
• M19: 16,775,606 km (0.117 R)
• M20: 17,730,489 km (0.096 R)
• M21: 19,156,905 km (0.045 R)
• M22: 23,221,329 km (0.119 R)
• M23: 25,631,501 km (0.059 R)
• M24: 28,298,532 km (0.104 R)
• M25: 29,552,162 km (0.03 R)
• M26: 36,831,295 km (0.05 R)
• M27: 40,097,316 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737

Radius: 6.3

Gravity: 18.57 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.78 AU - 7.84 AU

Year: 10751 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,265,010 km

• M1: 78,389 km (0.089 R)
• M2: 344,823 km (0.09 R)
• M3: 721,062 km (0.059 R)
• M4: 1,196,035 km (0.09 R)
• M5: 1,413,101 km (0.112 R)
• M6: 1,733,391 km (0.098 R)
• M7: 2,083,450 km (0.087 R)
• M8: 2,400,447 km (0.035 R)
• M9: 2,622,301 km (0.105 R)
• M10: 3,323,018 km (0.061 R)
• M11: 4,344,023 km (0.07 R)
• M12: 5,022,749 km (0.103 R)
• M13: 5,286,490 km (0.12 R)
• M14: 5,559,356 km (0.083 R)
• M15: 6,133,363 km (0.097 R)
• M16: 7,783,876 km (0.118 R)
• M17: 8,227,584 km (0.076 R)
• M18: 9,811,526 km (0.116 R)
• M19: 12,643,264 km (0.088 R)
• M20: 13,193,934 km (0.103 R)
• M21: 14,673,756 km (0.03 R)
• M22: 20,597,383 km (0.108 R)
• M23: 25,549,671 km (0.091 R)
• M24: 26,231,837 km (0.091 R)
• M25: 29,293,806 km (0.117 R)
• M26: 33,852,203 km (0.102 R)
• M27: 37,099,225 km (0.11 R)
• M28: 38,225,996 km (0.081 R)
• M29: 38,861,787 km (0.085 R)
• M30: 40,811,496 km (0.092 R)
• M31: 41,342,120 km (0.093 R)
• M32: 42,281,893 km (0.106 R)
• M33: 43,511,139 km (0.091 R)
• M34: 45,328,304 km (0.091 R)
• M35: 46,615,744 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653

Radius: 3.6

Gravity: 50.39 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.65 AU - 9.49 AU

Year: 15549 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,265,010 km

• M1: 44,730 km (0.105 R)
• M2: 203,902 km (0.086 R)
• M3: 361,129 km (0.118 R)
• M4: 499,657 km (0.099 R)
• M5: 727,644 km (0.104 R)
• M6: 1,169,706 km (0.052 R)
• M7: 1,770,192 km (0.028 R)
• M8: 2,487,962 km (0.08 R)
• M9: 3,249,565 km (0.085 R)
• M10: 4,003,688 km (0.106 R)
• M11: 5,361,288 km (0.084 R)
• M12: 6,163,133 km (0.08 R)
• M13: 9,952,298 km (0.077 R)
• M14: 11,517,091 km (0.1 R)
• M15: 13,574,960 km (0.098 R)
• M16: 14,476,736 km (0.096 R)
• M17: 14,690,361 km (0.078 R)
• M18: 16,553,154 km (0.043 R)
• M19: 17,662,123 km (0.09 R)
• M20: 18,819,711 km (0.104 R)
• M21: 19,417,056 km (0.09 R)
• M22: 20,381,064 km (0.089 R)
• M23: 20,559,834 km (0.113 R)
• M24: 26,524,002 km (0.087 R)
• M25: 29,268,823 km (0.086 R)
• M26: 36,221,983 km (0.037 R)
• M27: 38,627,217 km (0.061 R)
• M28: 39,175,643 km (0.107 R)
• M29: 44,198,990 km (0.1 R)
• M30: 49,473,661 km (0.063 R)
• M31: 51,101,137 km (0.118 R)
• M32: 52,932,364 km (0.098 R)
• M33: 55,499,314 km (0.09 R)
• M34: 55,847,727 km (0.109 R)
• M35: 56,197,637 km (0.112 R)
• M36: 58,687,693 km (0.105 R)
• M37: 59,230,584 km (0.103 R)
• M38: 61,808,903 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.9

Radius: 5.6

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.05 AU - 8.53 AU

Year: 16189 Days

Day: 17.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,265,010 km

• M1: 124,465 km (0.087 R)
• M2: 307,723 km (0.102 R)
• M3: 835,654 km (0.039 R)
• M4: 3,283,972 km (0.096 R)
• M5: 3,581,971 km (0.086 R)
• M6: 3,897,922 km (0.032 R)
• M7: 4,203,700 km (0.115 R)
• M8: 5,022,150 km (0.066 R)
• M9: 6,731,755 km (0.074 R)
• M10: 15,653,323 km (0.098 R)
• M11: 18,045,094 km (0.078 R)
• M12: 19,768,311 km (0.077 R)
• M13: 20,586,761 km (0.092 R)
• M14: 28,682,998 km (0.043 R)
• M15: 31,460,432 km (0.097 R)
• M16: 44,503,871 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.6

Radius: 5.5

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.61 AU - 9.29 AU

Year: 16660 Days

Day: 23.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,265,010 km

• M1: 68,516 km (0.11 R)
• M2: 293,960 km (0.112 R)
• M3: 507,137 km (0.101 R)
• M4: 1,592,918 km (0.041 R)
• M5: 5,380,437 km (0.068 R)
• M6: 6,268,001 km (0.066 R)
• M7: 7,167,234 km (0.038 R)
• M8: 12,147,796 km (0.098 R)
• M9: 17,958,476 km (0.037 R)
• M10: 30,570,175 km (0.062 R)
• M11: 34,392,700 km (0.114 R)
• M12: 38,774,721 km (0.085 R)
• M13: 39,155,896 km (0.12 R)
• M14: 40,705,431 km (0.086 R)
• M15: 41,628,001 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 13,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit