🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 12.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.41 AU - 1.63 AU

Year: 1192 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,705,055 km

• M1: 160,369 km (0.025 R)
• M2: 728,990 km (0.087 R)
• M3: 1,153,400 km (0.091 R)
• M4: 1,693,597 km (0.09 R)
• M5: 2,342,403 km (0.114 R)
• M6: 3,152,476 km (0.113 R)
• M7: 3,568,807 km (0.083 R)
• M8: 4,107,210 km (0.1 R)
• M9: 4,514,116 km (0.097 R)
• M10: 4,967,397 km (0.108 R)
• M11: 6,078,012 km (0.074 R)
• M12: 7,170,376 km (0.107 R)
• M13: 8,305,973 km (0.097 R)
• M14: 8,931,591 km (0.112 R)
• M15: 9,866,428 km (0.106 R)
• M16: 11,269,806 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 14.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.57 AU - 2.37 AU

Year: 1758 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,705,055 km

• M1: 180,714 km (0.065 R)
• M2: 782,696 km (0.048 R)
• M3: 1,338,602 km (0.107 R)
• M4: 2,256,833 km (0.057 R)
• M5: 5,734,386 km (0.096 R)
• M6: 7,221,538 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 9.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.8 AU - 2.24 AU

Year: 1825 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,705,055 km

• M1: 121,922 km (0.106 R)
• M2: 464,651 km (0.034 R)
• M3: 832,662 km (0.06 R)
• M4: 1,706,313 km (0.102 R)
• M5: 3,180,301 km (0.054 R)
• M6: 3,632,835 km (0.046 R)
• M7: 4,128,004 km (0.08 R)
• M8: 4,449,639 km (0.097 R)
• M9: 5,497,871 km (0.077 R)
• M10: 6,338,911 km (0.086 R)
• M11: 6,990,559 km (0.101 R)
• M12: 7,449,226 km (0.114 R)
• M13: 8,658,575 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 11.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.15 AU - 2.71 AU

Year: 2408 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,705,055 km

• M1: 146,756 km (0.073 R)
• M2: 838,496 km (0.073 R)
• M3: 1,291,030 km (0.099 R)
• M4: 2,173,358 km (0.045 R)
• M5: 2,620,805 km (0.117 R)
• M6: 3,435,515 km (0.099 R)
• M7: 5,584,040 km (0.097 R)
• M8: 5,977,482 km (0.032 R)
• M9: 7,597,477 km (0.1 R)
• M10: 8,131,093 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 10.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.57 AU - 2.69 AU

Year: 2712 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 165.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,705,055 km

• M1: 130,599 km (0.095 R)
• M2: 539,749 km (0.106 R)
• M3: 928,404 km (0.104 R)
• M4: 1,492,538 km (0.111 R)
• M5: 2,442,933 km (0.079 R)
• M6: 3,191,371 km (0.114 R)
• M7: 3,829,406 km (0.068 R)
• M8: 4,386,509 km (0.076 R)
• M9: 5,643,729 km (0.089 R)
• M10: 7,730,171 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.5

Radius: 9.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.06 AU - 3.34 AU

Year: 3640 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,705,055 km

• M1: 117,135 km (0.107 R)
• M2: 749,037 km (0.073 R)
• M3: 1,041,800 km (0.065 R)
• M4: 1,503,907 km (0.076 R)
• M5: 2,259,975 km (0.091 R)
• M6: 2,562,462 km (0.078 R)
• M7: 3,676,218 km (0.106 R)
• M8: 3,973,918 km (0.094 R)
• M9: 4,663,414 km (0.092 R)
• M10: 6,059,312 km (0.073 R)
• M11: 10,068,685 km (0.115 R)
• M12: 11,058,125 km (0.057 R)
• M13: 14,220,474 km (0.053 R)
• M14: 17,771,180 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 12.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.22 AU - 3.88 AU

Year: 4253 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,705,055 km

• M1: 154,235 km (0.069 R)
• M2: 1,651,411 km (0.075 R)
• M3: 2,663,291 km (0.097 R)
• M4: 7,605,257 km (0.055 R)
• M5: 11,193,212 km (0.105 R)
• M6: 12,219,453 km (0.069 R)
• M7: 15,059,120 km (0.082 R)
• M8: 16,043,175 km (0.069 R)
• M9: 16,632,291 km (0.101 R)
• M10: 17,910,755 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 13.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.76 AU - 6.28 AU

Year: 8246 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,705,055 km

• M1: 171,589 km (0.112 R)
• M2: 725,400 km (0.055 R)
• M3: 1,205,759 km (0.094 R)
• M4: 1,889,720 km (0.097 R)
• M5: 2,803,015 km (0.073 R)
• M6: 4,234,966 km (0.085 R)
• M7: 4,989,687 km (0.114 R)
• M8: 6,074,870 km (0.111 R)
• M9: 7,636,074 km (0.103 R)
• M10: 8,400,220 km (0.113 R)
• M11: 9,308,728 km (0.088 R)
• M12: 11,429,128 km (0.039 R)
• M13: 11,867,001 km (0.091 R)
• M14: 13,670,852 km (0.084 R)
• M15: 17,382,375 km (0.094 R)
• M16: 17,962,516 km (0.054 R)
• M17: 19,780,728 km (0.104 R)
• M18: 20,333,492 km (0.114 R)
• M19: 22,307,137 km (0.116 R)
• M20: 24,858,828 km (0.092 R)
• M21: 28,891,238 km (0.082 R)
• M22: 30,326,929 km (0.092 R)
• M23: 33,898,728 km (0.075 R)
• M24: 35,611,324 km (0.055 R)
• M25: 37,141,860 km (0.099 R)
• M26: 38,348,517 km (0.067 R)
• M27: 45,731,471 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.6

Radius: 6

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.99 AU - 9.77 AU

Year: 18266 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,705,055 km

• M1: 74,649 km (0.069 R)
• M2: 268,229 km (0.098 R)
• M3: 623,823 km (0.084 R)
• M4: 2,031,539 km (0.036 R)
• M5: 2,229,008 km (0.098 R)
• M6: 2,571,887 km (0.09 R)
• M7: 2,827,699 km (0.095 R)
• M8: 5,376,996 km (0.119 R)
• M9: 5,679,932 km (0.054 R)
• M10: 11,698,853 km (0.096 R)
• M11: 12,798,098 km (0.101 R)
• M12: 13,066,476 km (0.05 R)
• M13: 13,338,445 km (0.077 R)
• M14: 13,894,052 km (0.066 R)
• M15: 15,350,088 km (0.074 R)
• M16: 17,146,908 km (0.102 R)
• M17: 25,634,343 km (0.098 R)
• M18: 30,234,029 km (0.084 R)
• M19: 34,571,769 km (0.086 R)
• M20: 41,902,064 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 13,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit