🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.1

Radius: 8.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.11 AU - 1.29 AU

Year: 892 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,600,756 km

• M1: 110,702 km (0.094 R)
• M2: 445,652 km (0.088 R)
• M3: 786,885 km (0.086 R)
• M4: 1,121,086 km (0.093 R)
• M5: 1,977,983 km (0.059 R)
• M6: 2,327,294 km (0.09 R)
• M7: 2,621,852 km (0.059 R)
• M8: 3,071,394 km (0.078 R)
• M9: 3,427,437 km (0.113 R)
• M10: 4,355,542 km (0.104 R)
• M11: 4,770,526 km (0.067 R)
• M12: 5,117,594 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 8

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.35 AU - 2.09 AU

Year: 1530 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,600,756 km

• M1: 99,483 km (0.1 R)
• M2: 445,203 km (0.12 R)
• M3: 803,341 km (0.073 R)
• M4: 1,104,481 km (0.101 R)
• M5: 2,008,351 km (0.101 R)
• M6: 2,303,658 km (0.101 R)
• M7: 3,072,441 km (0.119 R)
• M8: 3,667,541 km (0.085 R)
• M9: 5,870,669 km (0.073 R)
• M10: 6,529,349 km (0.067 R)
• M11: 9,083,732 km (0.108 R)
• M12: 10,511,943 km (0.076 R)
• M13: 11,931,777 km (0.109 R)
• M14: 12,510,421 km (0.103 R)
• M15: 12,866,464 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 12.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1652 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,600,756 km

• M1: 156,779 km (0.111 R)
• M2: 554,111 km (0.114 R)
• M3: 985,401 km (0.095 R)
• M4: 1,460,075 km (0.114 R)
• M5: 2,209,561 km (0.084 R)
• M6: 3,002,130 km (0.085 R)
• M7: 3,519,589 km (0.089 R)
• M8: 4,754,819 km (0.066 R)
• M9: 5,232,036 km (0.036 R)
• M10: 6,076,366 km (0.109 R)
• M11: 6,567,496 km (0.058 R)
• M12: 7,844,613 km (0.075 R)
• M13: 9,341,639 km (0.081 R)
• M14: 9,744,207 km (0.062 R)
• M15: 11,647,690 km (0.105 R)
• M16: 12,223,792 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 9.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.85 AU - 3.59 AU

Year: 3919 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,600,756 km

• M1: 121,174 km (0.092 R)
• M2: 467,045 km (0.085 R)
• M3: 974,032 km (0.028 R)
• M4: 1,304,942 km (0.051 R)
• M5: 1,892,263 km (0.12 R)
• M6: 2,547,203 km (0.088 R)
• M7: 3,447,034 km (0.062 R)
• M8: 5,804,397 km (0.111 R)
• M9: 6,561,961 km (0.079 R)
• M10: 9,759,316 km (0.065 R)
• M11: 10,263,461 km (0.067 R)
• M12: 11,693,467 km (0.088 R)
• M13: 12,023,181 km (0.115 R)
• M14: 13,353,704 km (0.105 R)
• M15: 14,725,218 km (0.055 R)
• M16: 17,317,300 km (0.073 R)
• M17: 17,870,064 km (0.114 R)
• M18: 20,064,814 km (0.109 R)
• M19: 21,157,328 km (0.074 R)
• M20: 22,869,924 km (0.092 R)
• M21: 25,451,684 km (0.113 R)
• M22: 25,926,657 km (0.07 R)
• M23: 26,246,498 km (0.116 R)
• M24: 26,569,031 km (0.038 R)
• M25: 26,975,937 km (0.063 R)
• M26: 27,635,663 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 10.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.09 AU - 5.45 AU

Year: 7066 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,600,756 km

• M1: 127,906 km (0.079 R)
• M2: 568,921 km (0.038 R)
• M3: 901,028 km (0.119 R)
• M4: 1,613,114 km (0.086 R)
• M5: 2,127,132 km (0.064 R)
• M6: 2,601,806 km (0.104 R)
• M7: 3,182,695 km (0.035 R)
• M8: 3,869,050 km (0.117 R)
• M9: 4,556,602 km (0.03 R)
• M10: 5,117,743 km (0.12 R)
• M11: 5,834,766 km (0.108 R)
• M12: 7,049,949 km (0.073 R)
• M13: 7,801,679 km (0.113 R)
• M14: 8,533,811 km (0.118 R)
• M15: 9,541,651 km (0.062 R)
• M16: 11,526,516 km (0.045 R)
• M17: 11,882,260 km (0.088 R)
• M18: 15,476,199 km (0.111 R)
• M19: 17,200,763 km (0.111 R)
• M20: 21,626,915 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.7

Radius: 3.7

Gravity: 47.97 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.32 AU - 8.88 AU

Year: 17106 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,600,756 km

• M1: 46,076 km (0.069 R)
• M2: 414,237 km (0.071 R)
• M3: 602,879 km (0.045 R)
• M4: 867,967 km (0.101 R)
• M5: 1,153,100 km (0.06 R)
• M6: 1,346,381 km (0.069 R)
• M7: 1,466,358 km (0.112 R)
• M8: 1,925,325 km (0.116 R)
• M9: 2,631,576 km (0.025 R)
• M10: 3,017,539 km (0.096 R)
• M11: 4,839,491 km (0.097 R)
• M12: 6,161,039 km (0.119 R)
• M13: 6,493,744 km (0.054 R)
• M14: 9,327,278 km (0.098 R)
• M15: 19,116,813 km (0.063 R)
• M16: 21,759,459 km (0.065 R)
• M17: 26,434,093 km (0.106 R)
• M18: 28,205,033 km (0.077 R)
• M19: 29,700,862 km (0.102 R)
• M20: 33,861,628 km (0.071 R)
• M21: 52,993,849 km (0.115 R)
• M22: 55,265,343 km (0.084 R)
• M23: 57,783,075 km (0.063 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 14,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit