🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 8.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.61 AU - 0.75 AU

Year: 362 Days

Day: 8.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,854,461 km

• M1: 105,766 km (0.066 R)
• M2: 373,845 km (0.104 R)
• M3: 667,057 km (0.068 R)
• M4: 1,110,764 km (0.047 R)
• M5: 1,701,676 km (0.079 R)
• M6: 2,030,492 km (0.057 R)
• M7: 2,342,254 km (0.042 R)
• M8: 2,807,952 km (0.115 R)
• M9: 3,442,546 km (0.066 R)
• M10: 3,782,433 km (0.06 R)
• M11: 4,169,592 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 6.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,854,461 km

• M1: 182,958 km (0.113 R)
• M2: 711,936 km (0.062 R)
• M3: 1,378,245 km (0.104 R)
• M4: 2,039,917 km (0.114 R)
• M5: 2,611,829 km (0.039 R)
• M6: 3,563,720 km (0.082 R)
• M7: 4,133,090 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 10.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.15 AU - 1.17 AU

Year: 807 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,854,461 km

• M1: 133,441 km (0.085 R)
• M2: 574,755 km (0.107 R)
• M3: 1,042,697 km (0.119 R)
• M4: 1,437,187 km (0.094 R)
• M5: 1,994,439 km (0.112 R)
• M6: 2,680,046 km (0.072 R)
• M7: 3,103,109 km (0.088 R)
• M8: 5,460,023 km (0.057 R)
• M9: 6,905,737 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 12.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.17 AU - 1.25 AU

Year: 859 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,854,461 km

• M1: 150,495 km (0.103 R)
• M2: 571,314 km (0.03 R)
• M3: 976,575 km (0.09 R)
• M4: 1,433,297 km (0.115 R)
• M5: 1,870,871 km (0.097 R)
• M6: 2,255,038 km (0.104 R)
• M7: 3,531,258 km (0.119 R)
• M8: 4,471,630 km (0.119 R)
• M9: 5,685,617 km (0.063 R)
• M10: 6,588,739 km (0.114 R)
• M11: 6,975,749 km (0.086 R)
• M12: 7,492,460 km (0.039 R)
• M13: 7,890,689 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 13

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.13 AU - 3.09 AU

Year: 2723 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,854,461 km

• M1: 168,896 km (0.035 R)
• M2: 647,460 km (0.076 R)
• M3: 1,445,415 km (0.072 R)
• M4: 1,939,387 km (0.086 R)
• M5: 2,639,355 km (0.12 R)
• M6: 3,633,732 km (0.101 R)
• M7: 5,102,933 km (0.084 R)
• M8: 6,246,908 km (0.108 R)
• M9: 7,053,240 km (0.103 R)
• M10: 7,457,603 km (0.076 R)
• M11: 8,313,154 km (0.1 R)
• M12: 9,149,256 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15

Radius: 5.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.6 AU - 7.92 AU

Year: 11348 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,854,461 km

• M1: 67,319 km (0.092 R)
• M2: 845,378 km (0.083 R)
• M3: 1,693,448 km (0.077 R)
• M4: 2,085,694 km (0.101 R)
• M5: 2,658,803 km (0.084 R)
• M6: 2,930,173 km (0.12 R)
• M7: 4,242,446 km (0.06 R)
• M8: 5,647,469 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.5

Radius: 6.9

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.9 AU - 9.5 AU

Year: 18018 Days

Day: 17.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,854,461 km

• M1: 126,709 km (0.093 R)
• M2: 377,884 km (0.104 R)
• M3: 714,479 km (0.079 R)
• M4: 1,781,860 km (0.037 R)
• M5: 2,084,946 km (0.052 R)
• M6: 2,313,082 km (0.036 R)
• M7: 4,478,063 km (0.099 R)
• M8: 5,493,533 km (0.095 R)
• M9: 5,931,855 km (0.117 R)
• M10: 7,675,568 km (0.09 R)
• M11: 9,175,735 km (0.066 R)
• M12: 12,404,805 km (0.039 R)
• M13: 14,015,825 km (0.083 R)
• M14: 14,309,635 km (0.097 R)
• M15: 15,682,794 km (0.065 R)
• M16: 19,496,043 km (0.052 R)
• M17: 20,797,844 km (0.099 R)
• M18: 22,555,469 km (0.089 R)
• M19: 26,141,480 km (0.068 R)
• M20: 27,837,920 km (0.086 R)
• M21: 34,418,880 km (0.105 R)
• M22: 36,040,670 km (0.078 R)
• M23: 37,149,639 km (0.109 R)
• M24: 39,727,959 km (0.119 R)
• M25: 40,021,619 km (0.055 R)
• M26: 46,041,138 km (0.102 R)
• M27: 57,931,177 km (0.065 R)
• M28: 59,643,474 km (0.114 R)
• M29: 60,609,278 km (0.096 R)
• M30: 61,389,431 km (0.108 R)
• M31: 63,971,041 km (0.038 R)
• M32: 64,374,507 km (0.052 R)
• M33: 64,779,618 km (0.095 R)
• M34: 70,632,186 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 7.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.18 AU - 11.22 AU

Year: 21034 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,854,461 km

• M1: 92,003 km (0.099 R)
• M2: 594,951 km (0.117 R)
• M3: 840,441 km (0.057 R)
• M4: 1,482,365 km (0.118 R)
• M5: 1,855,911 km (0.099 R)
• M6: 2,343,451 km (0.096 R)
• M7: 3,812,801 km (0.07 R)
• M8: 4,462,056 km (0.076 R)
• M9: 5,152,300 km (0.082 R)
• M10: 6,180,935 km (0.096 R)
• M11: 8,680,716 km (0.084 R)
• M12: 9,386,219 km (0.103 R)
• M13: 11,523,524 km (0.086 R)
• M14: 14,143,731 km (0.107 R)
• M15: 16,270,115 km (0.103 R)
• M16: 17,204,503 km (0.094 R)
• M17: 29,272,563 km (0.111 R)
• M18: 33,754,516 km (0.095 R)
• M19: 34,183,413 km (0.116 R)
• M20: 39,025,297 km (0.119 R)
• M21: 39,261,064 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit