🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 8.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 7.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,516,484 km

• M1: 109,506 km (0.063 R)
• M2: 391,348 km (0.099 R)
• M3: 855,251 km (0.08 R)
• M4: 1,137,393 km (0.11 R)
• M5: 1,418,637 km (0.1 R)
• M6: 1,969,905 km (0.113 R)
• M7: 2,613,176 km (0.095 R)
• M8: 3,410,831 km (0.1 R)
• M9: 4,043,182 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.9

Radius: 9.3

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.96 AU - 1.32 AU

Year: 812 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,516,484 km

• M1: 115,639 km (0.083 R)
• M2: 421,118 km (0.051 R)
• M3: 757,414 km (0.097 R)
• M4: 1,182,721 km (0.068 R)
• M5: 1,728,454 km (0.054 R)
• M6: 2,065,049 km (0.074 R)
• M7: 2,688,723 km (0.102 R)
• M8: 3,012,602 km (0.094 R)
• M9: 3,307,011 km (0.095 R)
• M10: 3,800,085 km (0.036 R)
• M11: 4,807,627 km (0.116 R)
• M12: 5,099,193 km (0.09 R)
• M13: 5,983,765 km (0.111 R)
• M14: 6,430,016 km (0.072 R)
• M15: 6,830,190 km (0.096 R)
• M16: 7,152,723 km (0.061 R)
• M17: 7,928,538 km (0.098 R)
• M18: 8,493,868 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 8.3

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.14 AU - 2.5 AU

Year: 2356 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,516,484 km

• M1: 103,223 km (0.066 R)
• M2: 398,828 km (0.047 R)
• M3: 846,126 km (0.069 R)
• M4: 1,544,149 km (0.074 R)
• M5: 1,856,659 km (0.11 R)
• M6: 2,851,335 km (0.027 R)
• M7: 3,223,385 km (0.072 R)
• M8: 4,104,816 km (0.086 R)
• M9: 5,892,810 km (0.11 R)
• M10: 6,830,639 km (0.099 R)
• M11: 7,379,663 km (0.118 R)
• M12: 9,308,279 km (0.071 R)
• M13: 10,019,766 km (0.118 R)
• M14: 11,631,085 km (0.094 R)
• M15: 14,315,170 km (0.069 R)
• M16: 15,165,783 km (0.093 R)
• M17: 15,603,507 km (0.106 R)
• M18: 16,049,608 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 14.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.17 AU - 3.05 AU

Year: 2812 Days

Day: 13.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 139 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,516,484 km

• M1: 184,005 km (0.079 R)
• M2: 765,792 km (0.114 R)
• M3: 2,202,529 km (0.03 R)
• M4: 2,764,269 km (0.082 R)
• M5: 3,590,947 km (0.114 R)
• M6: 4,360,180 km (0.035 R)
• M7: 6,485,666 km (0.114 R)
• M8: 7,042,021 km (0.049 R)
• M9: 9,040,648 km (0.088 R)
• M10: 9,510,086 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 9.6

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.17 AU - 5.21 AU

Year: 5719 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,516,484 km

• M1: 119,379 km (0.084 R)
• M2: 425,456 km (0.115 R)
• M3: 974,630 km (0.118 R)
• M4: 1,299,557 km (0.104 R)
• M5: 2,146,729 km (0.098 R)
• M6: 2,585,500 km (0.081 R)
• M7: 2,948,574 km (0.051 R)
• M8: 5,134,947 km (0.037 R)
• M9: 5,954,743 km (0.102 R)
• M10: 6,893,171 km (0.036 R)
• M11: 7,203,736 km (0.103 R)
• M12: 7,778,790 km (0.099 R)
• M13: 9,392,652 km (0.069 R)
• M14: 11,077,722 km (0.067 R)
• M15: 11,844,112 km (0.093 R)
• M16: 12,594,495 km (0.09 R)
• M17: 14,693,503 km (0.066 R)
• M18: 16,459,506 km (0.077 R)
• M19: 16,766,929 km (0.113 R)
• M20: 18,296,867 km (0.105 R)
• M21: 19,095,719 km (0.106 R)
• M22: 21,267,132 km (0.113 R)
• M23: 21,779,356 km (0.117 R)
• M24: 22,299,807 km (0.117 R)
• M25: 26,513,081 km (0.061 R)
• M26: 29,298,294 km (0.081 R)
• M27: 30,023,993 km (0.089 R)
• M28: 30,854,561 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401

Radius: 6.3

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.96 AU - 7.88 AU

Year: 10848 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,516,484 km

• M1: 78,389 km (0.097 R)
• M2: 300,991 km (0.091 R)
• M3: 738,565 km (0.108 R)
• M4: 1,542,354 km (0.089 R)
• M5: 2,033,334 km (0.111 R)
• M6: 2,342,403 km (0.118 R)
• M7: 2,990,611 km (0.106 R)
• M8: 3,801,880 km (0.114 R)
• M9: 4,810,020 km (0.092 R)
• M10: 5,391,806 km (0.074 R)
• M11: 6,123,041 km (0.094 R)
• M12: 7,301,872 km (0.105 R)
• M13: 7,498,892 km (0.041 R)
• M14: 8,668,449 km (0.118 R)
• M15: 9,388,912 km (0.113 R)
• M16: 14,509,497 km (0.113 R)
• M17: 15,201,537 km (0.095 R)
• M18: 17,062,236 km (0.096 R)
• M19: 18,626,880 km (0.12 R)
• M20: 24,413,774 km (0.102 R)
• M21: 27,520,772 km (0.1 R)
• M22: 28,873,287 km (0.053 R)
• M23: 29,665,707 km (0.046 R)
• M24: 32,341,564 km (0.08 R)
• M25: 35,398,447 km (0.082 R)
• M26: 38,167,354 km (0.096 R)
• M27: 40,336,523 km (0.08 R)
• M28: 40,953,315 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 7.1

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.46 AU - 6.7 AU

Year: 11256 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,516,484 km

• M1: 88,263 km (0.078 R)
• M2: 646,562 km (0.08 R)
• M3: 1,030,729 km (0.052 R)
• M4: 1,728,304 km (0.084 R)
• M5: 2,909,679 km (0.112 R)
• M6: 3,145,894 km (0.097 R)
• M7: 3,907,197 km (0.041 R)
• M8: 8,162,658 km (0.077 R)
• M9: 9,540,155 km (0.097 R)
• M10: 14,223,466 km (0.076 R)
• M11: 17,509,084 km (0.092 R)
• M12: 18,585,591 km (0.113 R)
• M13: 22,079,449 km (0.104 R)
• M14: 26,171,399 km (0.099 R)
• M15: 31,465,070 km (0.114 R)
• M16: 37,313,598 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732

Radius: 4.5

Gravity: 36.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.76 AU - 9.5 AU

Year: 15458 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,516,484 km

• M1: 56,398 km (0.1 R)
• M2: 220,657 km (0.109 R)
• M3: 389,104 km (0.086 R)
• M4: 772,224 km (0.111 R)
• M5: 1,018,612 km (0.058 R)
• M6: 1,167,163 km (0.091 R)
• M7: 1,316,012 km (0.11 R)
• M8: 2,201,033 km (0.037 R)
• M9: 2,697,549 km (0.027 R)
• M10: 3,762,536 km (0.071 R)
• M11: 4,700,963 km (0.046 R)
• M12: 12,435,772 km (0.104 R)
• M13: 13,363,877 km (0.055 R)
• M14: 13,706,307 km (0.094 R)
• M15: 14,054,570 km (0.082 R)
• M16: 14,841,306 km (0.105 R)
• M17: 20,188,083 km (0.033 R)
• M18: 23,386,186 km (0.074 R)
• M19: 28,452,617 km (0.051 R)
• M20: 33,571,707 km (0.12 R)
• M21: 36,546,461 km (0.036 R)
• M22: 37,620,873 km (0.114 R)
• M23: 38,578,149 km (0.068 R)
• M24: 41,983,745 km (0.112 R)
• M25: 42,422,964 km (0.105 R)
• M26: 46,515,364 km (0.07 R)
• M27: 48,415,855 km (0.105 R)
• M28: 56,003,160 km (0.039 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: 456 - 11,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit