🌌 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: 471.6

Radius: 13.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,874,811 km

• M1: 165,904 km (0.096 R)
• M2: 658,530 km (0.103 R)
• M3: 1,258,567 km (0.115 R)
• M4: 1,799,064 km (0.086 R)
• M5: 2,310,539 km (0.071 R)
• M6: 2,918,954 km (0.03 R)
• M7: 3,566,264 km (0.103 R)
• M8: 4,183,654 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 12.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.68 AU - 0.74 AU

Year: 406 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,874,811 km

• M1: 154,235 km (0.073 R)
• M2: 557,850 km (0.114 R)
• M3: 1,287,439 km (0.073 R)
• M4: 1,879,548 km (0.043 R)
• M5: 2,915,363 km (0.082 R)
• M6: 3,493,260 km (0.09 R)
• M7: 4,084,022 km (0.076 R)
• M8: 4,523,241 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 12.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.96 AU - 1.18 AU

Year: 751 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,874,811 km

• M1: 158,275 km (0.112 R)
• M2: 615,146 km (0.034 R)
• M3: 1,500,167 km (0.094 R)
• M4: 1,936,395 km (0.065 R)
• M5: 2,554,234 km (0.047 R)
• M6: 3,174,168 km (0.104 R)
• M7: 3,789,464 km (0.078 R)
• M8: 4,312,607 km (0.039 R)
• M9: 4,762,598 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 13.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.88 AU - 1.4 AU

Year: 826 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,874,811 km

• M1: 171,589 km (0.099 R)
• M2: 727,943 km (0.047 R)
• M3: 1,230,592 km (0.106 R)
• M4: 1,988,006 km (0.096 R)
• M5: 2,437,249 km (0.076 R)
• M6: 3,064,961 km (0.108 R)
• M7: 3,491,913 km (0.052 R)
• M8: 4,325,024 km (0.05 R)
• M9: 4,916,983 km (0.118 R)
• M10: 5,694,443 km (0.068 R)
• M11: 6,552,686 km (0.045 R)
• M12: 7,358,570 km (0.09 R)
• M13: 7,963,843 km (0.104 R)

Asteroid Belt

Center: 1.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 9.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.74 AU - 2.18 AU

Year: 1861 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,874,811 km

• M1: 129,701 km (0.091 R)
• M2: 524,341 km (0.113 R)
• M3: 1,240,914 km (0.064 R)
• M4: 2,074,474 km (0.099 R)
• M5: 2,544,809 km (0.079 R)
• M6: 3,179,852 km (0.1 R)
• M7: 3,595,585 km (0.046 R)
• M8: 5,197,778 km (0.103 R)
• M9: 5,946,366 km (0.083 R)
• M10: 7,921,806 km (0.094 R)
• M11: 8,531,716 km (0.071 R)
• M12: 9,572,319 km (0.06 R)
• M13: 13,455,132 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 11.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.46 AU - 5.14 AU

Year: 7133 Days

Day: 6.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,874,811 km

• M1: 144,212 km (0.106 R)
• M2: 619,186 km (0.113 R)
• M3: 1,395,000 km (0.081 R)
• M4: 1,853,368 km (0.095 R)
• M5: 2,684,833 km (0.099 R)
• M6: 3,101,912 km (0.071 R)
• M7: 5,047,432 km (0.072 R)
• M8: 5,624,282 km (0.063 R)
• M9: 6,077,264 km (0.105 R)
• M10: 10,773,889 km (0.111 R)
• M11: 12,312,204 km (0.101 R)
• M12: 12,966,844 km (0.088 R)
• M13: 13,416,087 km (0.119 R)
• M14: 14,109,323 km (0.079 R)
• M15: 15,070,789 km (0.056 R)
• M16: 17,057,149 km (0.116 R)
• M17: 17,528,682 km (0.084 R)
• M18: 20,093,388 km (0.114 R)
• M19: 21,078,041 km (0.095 R)
• M20: 23,638,558 km (0.082 R)
• M21: 26,759,618 km (0.1 R)
• M22: 29,658,975 km (0.115 R)
• M23: 30,145,467 km (0.109 R)
• M24: 34,659,134 km (0.104 R)
• M25: 36,074,479 km (0.118 R)
• M26: 37,982,899 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 9.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.91 AU - 5.29 AU

Year: 7812 Days

Day: 11 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,874,811 km

• M1: 116,986 km (0.092 R)
• M2: 454,179 km (0.06 R)
• M3: 2,113,070 km (0.109 R)
• M4: 2,421,990 km (0.039 R)
• M5: 3,952,675 km (0.116 R)
• M6: 4,804,934 km (0.025 R)
• M7: 5,316,559 km (0.116 R)
• M8: 5,716,284 km (0.097 R)
• M9: 6,576,322 km (0.058 R)
• M10: 7,207,476 km (0.067 R)
• M11: 7,555,590 km (0.114 R)
• M12: 8,784,686 km (0.05 R)
• M13: 10,758,630 km (0.115 R)
• M14: 11,540,429 km (0.087 R)
• M15: 13,581,243 km (0.08 R)
• M16: 16,027,168 km (0.102 R)
• M17: 20,639,719 km (0.12 R)
• M18: 21,700,966 km (0.068 R)
• M19: 22,428,461 km (0.091 R)
• M20: 23,626,141 km (0.119 R)
• M21: 24,473,912 km (0.038 R)
• M22: 27,055,673 km (0.092 R)
• M23: 27,643,592 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.4

Radius: 6.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.59 AU - 9.31 AU

Year: 18160 Days

Day: 18.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,874,811 km

• M1: 150,196 km (0.085 R)
• M2: 568,023 km (0.094 R)
• M3: 789,727 km (0.078 R)
• M4: 1,216,081 km (0.12 R)
• M5: 1,482,066 km (0.08 R)
• M6: 2,352,127 km (0.109 R)
• M7: 3,895,828 km (0.033 R)
• M8: 4,113,642 km (0.101 R)
• M9: 4,573,805 km (0.098 R)
• M10: 5,569,379 km (0.042 R)
• M11: 7,946,340 km (0.099 R)
• M12: 9,107,818 km (0.06 R)
• M13: 12,687,844 km (0.065 R)
• M14: 13,314,809 km (0.04 R)
• M15: 18,721,725 km (0.026 R)
• M16: 20,109,694 km (0.109 R)
• M17: 20,434,321 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.1

Radius: 6.8

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.12 AU - 10.74 AU

Year: 19641 Days

Day: 22 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,874,811 km

• M1: 84,523 km (0.118 R)
• M2: 382,073 km (0.047 R)
• M3: 1,294,620 km (0.104 R)
• M4: 2,270,447 km (0.118 R)
• M5: 2,486,616 km (0.094 R)
• M6: 2,911,025 km (0.066 R)
• M7: 3,300,727 km (0.089 R)
• M8: 4,612,551 km (0.099 R)
• M9: 5,290,678 km (0.066 R)
• M10: 6,536,978 km (0.097 R)
• M11: 7,869,746 km (0.11 R)
• M12: 9,048,427 km (0.051 R)
• M13: 9,374,401 km (0.113 R)
• M14: 11,000,081 km (0.117 R)
• M15: 12,737,511 km (0.111 R)
• M16: 13,495,224 km (0.048 R)
• M17: 14,724,619 km (0.091 R)
• M18: 15,636,119 km (0.075 R)
• M19: 19,841,914 km (0.09 R)
• M20: 20,952,977 km (0.07 R)
• M21: 25,813,711 km (0.098 R)
• M22: 31,499,627 km (0.066 R)
• M23: 37,547,869 km (0.104 R)
• M24: 38,389,656 km (0.081 R)
• M25: 39,244,009 km (0.1 R)
• M26: 40,696,006 km (0.066 R)
• M27: 42,940,573 km (0.081 R)
• M28: 44,638,209 km (0.105 R)
• M29: 50,676,279 km (0.112 R)
• M30: 64,141,583 km (0.065 R)
• M31: 65,747,965 km (0.095 R)
• M32: 66,765,380 km (0.089 R)
• M33: 67,586,972 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.8

Radius: 4.1

Gravity: 35.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.26 AU - 10.84 AU

Year: 20017 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,874,811 km

• M1: 51,013 km (0.115 R)
• M2: 214,673 km (0.114 R)
• M3: 408,701 km (0.12 R)
• M4: 764,744 km (0.087 R)
• M5: 937,081 km (0.116 R)
• M6: 1,845,589 km (0.096 R)
• M7: 2,305,602 km (0.112 R)
• M8: 2,838,171 km (0.084 R)
• M9: 4,539,099 km (0.067 R)
• M10: 4,924,612 km (0.094 R)
• M11: 5,720,623 km (0.086 R)
• M12: 6,511,696 km (0.112 R)
• M13: 8,359,080 km (0.091 R)
• M14: 9,541,651 km (0.105 R)
• M15: 11,328,000 km (0.11 R)
• M16: 15,546,211 km (0.103 R)
• M17: 15,780,930 km (0.101 R)
• M18: 20,703,298 km (0.092 R)
• M19: 21,274,313 km (0.055 R)
• M20: 24,182,945 km (0.092 R)
• M21: 26,447,258 km (0.055 R)
• M22: 28,731,468 km (0.098 R)
• M23: 35,278,469 km (0.048 R)
• M24: 38,182,014 km (0.11 R)
• M25: 39,039,958 km (0.116 R)
• M26: 46,371,002 km (0.085 R)
• M27: 46,694,881 km (0.051 R)
• M28: 48,171,262 km (0.086 R)
• M29: 48,337,166 km (0.091 R)
• M30: 50,529,074 km (0.093 R)
• M31: 50,872,102 km (0.1 R)
• M32: 62,094,785 km (0.08 R)
• M33: 65,086,742 km (0.109 R)
• M34: 66,927,245 km (0.1 R)
• M35: 67,341,033 km (0.093 R)
• M36: 69,646,635 km (0.076 R)
• M37: 70,497,997 km (0.1 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: 178 - 14,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit