🌌 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: 166.1

Radius: 14

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,510,651 km

• M1: 176,974 km (0.113 R)
• M2: 919,279 km (0.076 R)
• M3: 1,521,560 km (0.054 R)
• M4: 2,048,144 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 10.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,510,651 km

• M1: 131,796 km (0.118 R)
• M2: 470,635 km (0.061 R)
• M3: 915,090 km (0.082 R)
• M4: 1,327,980 km (0.042 R)
• M5: 1,664,875 km (0.094 R)
• M6: 2,021,217 km (0.107 R)
• M7: 2,597,917 km (0.118 R)
• M8: 2,940,645 km (0.103 R)
• M9: 3,379,117 km (0.114 R)
• M10: 3,908,992 km (0.035 R)
• M11: 4,245,438 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.4

Radius: 8.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.49 AU - 1.77 AU

Year: 1436 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,510,651 km

• M1: 109,655 km (0.084 R)
• M2: 506,389 km (0.074 R)
• M3: 865,124 km (0.07 R)
• M4: 1,172,548 km (0.106 R)
• M5: 1,804,898 km (0.063 R)
• M6: 2,391,920 km (0.117 R)
• M7: 2,706,824 km (0.086 R)
• M8: 3,165,641 km (0.086 R)
• M9: 3,575,090 km (0.083 R)
• M10: 4,841,885 km (0.103 R)
• M11: 7,222,735 km (0.06 R)
• M12: 8,156,824 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.6

Radius: 8.9

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.46 AU - 2.3 AU

Year: 1779 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,510,651 km

• M1: 110,702 km (0.088 R)
• M2: 510,877 km (0.038 R)
• M3: 802,144 km (0.07 R)
• M4: 1,361,341 km (0.101 R)
• M5: 1,646,175 km (0.118 R)
• M6: 2,005,808 km (0.114 R)
• M7: 2,287,202 km (0.117 R)
• M8: 2,581,311 km (0.057 R)
• M9: 3,446,436 km (0.084 R)
• M10: 4,472,827 km (0.08 R)
• M11: 5,454,189 km (0.114 R)
• M12: 6,058,115 km (0.076 R)
• M13: 7,370,537 km (0.096 R)
• M14: 8,047,917 km (0.056 R)
• M15: 8,734,122 km (0.117 R)
• M16: 9,224,055 km (0.062 R)
• M17: 10,583,750 km (0.086 R)
• M18: 11,368,840 km (0.101 R)
• M19: 11,677,909 km (0.073 R)
• M20: 12,971,033 km (0.082 R)
• M21: 13,826,284 km (0.101 R)
• M22: 15,039,822 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 11.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.92 AU - 2.24 AU

Year: 2071 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,510,651 km

• M1: 146,756 km (0.116 R)
• M2: 532,269 km (0.097 R)
• M3: 925,861 km (0.067 R)
• M4: 1,366,128 km (0.111 R)
• M5: 2,776,387 km (0.052 R)
• M6: 5,841,498 km (0.025 R)
• M7: 7,795,844 km (0.108 R)
• M8: 9,480,466 km (0.115 R)
• M9: 9,865,980 km (0.079 R)
• M10: 11,672,374 km (0.097 R)
• M11: 15,831,643 km (0.12 R)
• M12: 16,677,021 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 10.9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.02 AU - 4.14 AU

Year: 4676 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,510,651 km

• M1: 136,433 km (0.085 R)
• M2: 480,209 km (0.041 R)
• M3: 1,168,210 km (0.062 R)
• M4: 1,586,785 km (0.112 R)
• M5: 1,993,392 km (0.117 R)
• M6: 2,359,009 km (0.042 R)
• M7: 3,425,642 km (0.04 R)
• M8: 5,126,121 km (0.099 R)
• M9: 5,996,780 km (0.038 R)
• M10: 6,390,073 km (0.101 R)
• M11: 6,995,944 km (0.101 R)
• M12: 8,322,728 km (0.054 R)
• M13: 11,239,886 km (0.095 R)
• M14: 16,829,760 km (0.077 R)
• M15: 17,492,629 km (0.089 R)
• M16: 18,487,754 km (0.025 R)
• M17: 20,795,750 km (0.117 R)
• M18: 22,269,289 km (0.076 R)
• M19: 22,775,528 km (0.041 R)
• M20: 24,493,360 km (0.062 R)
• M21: 24,955,318 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.6

Radius: 8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.8 AU - 7.98 AU

Year: 12484 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,510,651 km

• M1: 99,483 km (0.102 R)
• M2: 541,095 km (0.109 R)
• M3: 2,880,956 km (0.029 R)
• M4: 4,693,035 km (0.101 R)
• M5: 5,251,484 km (0.098 R)
• M6: 9,018,956 km (0.104 R)
• M7: 9,272,076 km (0.115 R)
• M8: 12,799,145 km (0.05 R)
• M9: 14,684,677 km (0.108 R)
• M10: 15,937,559 km (0.069 R)
• M11: 16,684,651 km (0.118 R)
• M12: 17,131,200 km (0.079 R)
• M13: 19,135,662 km (0.067 R)
• M14: 24,166,938 km (0.09 R)
• M15: 24,492,463 km (0.097 R)
• M16: 27,379,402 km (0.112 R)
• M17: 29,179,513 km (0.084 R)
• M18: 30,391,107 km (0.028 R)
• M19: 32,221,586 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 6.5

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.81 AU - 11.47 AU

Year: 20660 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 162.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,510,651 km

• M1: 87,216 km (0.096 R)
• M2: 320,439 km (0.117 R)
• M3: 1,845,290 km (0.1 R)
• M4: 3,512,558 km (0.049 R)
• M5: 4,385,013 km (0.063 R)
• M6: 8,370,150 km (0.033 R)
• M7: 9,452,491 km (0.113 R)
• M8: 10,323,300 km (0.088 R)
• M9: 12,698,166 km (0.066 R)
• M10: 15,336,475 km (0.101 R)
• M11: 20,508,970 km (0.085 R)
• M12: 21,568,572 km (0.057 R)
• M13: 22,062,245 km (0.101 R)
• M14: 27,076,167 km (0.061 R)
• M15: 28,468,325 km (0.105 R)
• M16: 44,785,414 km (0.118 R)
• M17: 54,882,522 km (0.081 R)
• M18: 61,931,125 km (0.06 R)
• M19: 63,530,625 km (0.115 R)
• M20: 73,043,853 km (0.054 R)
• M21: 74,379,912 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.4

Radius: 4.1

Gravity: 31.61 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.82 AU - 12 AU

Year: 21534 Days

Day: 22.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,510,651 km

• M1: 51,013 km (0.098 R)
• M2: 184,305 km (0.084 R)
• M3: 340,485 km (0.066 R)
• M4: 554,410 km (0.098 R)
• M5: 920,924 km (0.094 R)
• M6: 1,065,586 km (0.113 R)
• M7: 1,211,593 km (0.066 R)
• M8: 1,447,958 km (0.085 R)
• M9: 2,478,538 km (0.039 R)
• M10: 2,935,709 km (0.109 R)
• M11: 3,983,642 km (0.044 R)
• M12: 4,438,120 km (0.106 R)
• M13: 5,258,814 km (0.07 R)
• M14: 5,968,057 km (0.114 R)
• M15: 7,335,532 km (0.033 R)
• M16: 8,580,335 km (0.078 R)
• M17: 10,017,522 km (0.115 R)
• M18: 10,193,150 km (0.096 R)
• M19: 10,793,038 km (0.097 R)
• M20: 11,164,190 km (0.063 R)
• M21: 12,530,168 km (0.109 R)
• M22: 12,940,066 km (0.1 R)
• M23: 20,675,323 km (0.089 R)
• M24: 21,731,933 km (0.036 R)
• M25: 26,653,703 km (0.106 R)
• M26: 32,396,316 km (0.098 R)
• M27: 40,369,883 km (0.108 R)
• M28: 41,262,533 km (0.078 R)
• M29: 43,707,112 km (0.06 R)
• M30: 44,964,782 km (0.072 R)
• M31: 45,602,667 km (0.089 R)
• M32: 49,387,493 km (0.114 R)
• M33: 51,442,968 km (0.05 R)
• M34: 58,705,346 km (0.041 R)
• M35: 63,574,607 km (0.119 R)
• M36: 65,391,473 km (0.091 R)
• M37: 66,415,471 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.6

Radius: 3.5

Gravity: 45.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.49 AU - 11.89 AU

Year: 22453 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,510,651 km

• M1: 43,533 km (0.115 R)
• M2: 235,916 km (0.1 R)
• M3: 519,853 km (0.115 R)
• M4: 1,048,681 km (0.092 R)
• M5: 1,582,297 km (0.059 R)
• M6: 1,795,174 km (0.059 R)
• M7: 2,692,762 km (0.028 R)
• M8: 2,918,355 km (0.113 R)
• M9: 3,266,170 km (0.071 R)
• M10: 3,493,559 km (0.077 R)
• M11: 4,792,069 km (0.108 R)
• M12: 5,668,413 km (0.096 R)
• M13: 5,790,186 km (0.062 R)
• M14: 6,208,461 km (0.044 R)
• M15: 6,513,042 km (0.106 R)
• M16: 8,033,406 km (0.097 R)
• M17: 8,187,043 km (0.083 R)
• M18: 8,984,848 km (0.095 R)
• M19: 9,891,561 km (0.055 R)
• M20: 10,366,983 km (0.118 R)
• M21: 10,549,193 km (0.043 R)
• M22: 12,627,407 km (0.103 R)
• M23: 14,204,767 km (0.06 R)
• M24: 17,060,889 km (0.098 R)
• M25: 18,622,841 km (0.08 R)
• M26: 19,622,753 km (0.057 R)
• M27: 24,300,080 km (0.033 R)
• M28: 27,181,335 km (0.117 R)
• M29: 32,045,659 km (0.09 R)
• M30: 33,214,766 km (0.106 R)
• M31: 34,277,659 km (0.105 R)
• M32: 47,502,859 km (0.087 R)
• M33: 59,200,066 km (0.095 R)
• M34: 59,976,778 km (0.103 R)
• M35: 65,397,756 km (0.112 R)
• M36: 69,187,519 km (0.116 R)
• M37: 75,142,412 km (0.117 R)
• M38: 75,369,352 km (0.064 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 19,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit