🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 12.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.13 AU - 1.21 AU

Year: 830 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,259,841 km

• M1: 160,519 km (0.084 R)
• M2: 678,875 km (0.041 R)
• M3: 1,110,315 km (0.113 R)
• M4: 1,555,070 km (0.082 R)
• M5: 2,419,596 km (0.109 R)
• M6: 2,897,112 km (0.099 R)
• M7: 3,538,887 km (0.057 R)
• M8: 4,257,406 km (0.072 R)
• M9: 7,585,510 km (0.034 R)
• M10: 9,685,565 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.9

Radius: 8

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.23 AU - 1.77 AU

Year: 1205 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,259,841 km

• M1: 99,483 km (0.058 R)
• M2: 379,679 km (0.061 R)
• M3: 801,246 km (0.091 R)
• M4: 1,379,891 km (0.119 R)
• M5: 1,727,407 km (0.071 R)
• M6: 2,066,545 km (0.068 R)
• M7: 2,574,879 km (0.106 R)
• M8: 2,824,857 km (0.083 R)
• M9: 3,134,674 km (0.07 R)
• M10: 4,347,613 km (0.077 R)
• M11: 5,202,715 km (0.062 R)
• M12: 6,837,071 km (0.076 R)
• M13: 8,128,400 km (0.119 R)
• M14: 8,468,137 km (0.059 R)
• M15: 10,115,060 km (0.099 R)
• M16: 10,375,959 km (0.045 R)
• M17: 11,430,175 km (0.109 R)
• M18: 12,367,854 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 14.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.47 AU - 1.79 AU

Year: 1365 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,259,841 km

• M1: 185,501 km (0.078 R)
• M2: 708,944 km (0.097 R)
• M3: 1,178,233 km (0.071 R)
• M4: 1,981,873 km (0.088 R)
• M5: 2,755,742 km (0.116 R)
• M6: 3,355,031 km (0.114 R)
• M7: 4,106,162 km (0.085 R)
• M8: 5,352,462 km (0.116 R)
• M9: 5,820,105 km (0.114 R)
• M10: 6,539,073 km (0.112 R)
• M11: 7,792,104 km (0.049 R)
• M12: 10,771,196 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 10

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.63 AU - 2.39 AU

Year: 1869 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,259,841 km

• M1: 124,615 km (0.056 R)
• M2: 455,825 km (0.098 R)
• M3: 821,741 km (0.098 R)
• M4: 1,359,845 km (0.034 R)
• M5: 2,427,824 km (0.077 R)
• M6: 3,334,537 km (0.106 R)
• M7: 3,662,904 km (0.089 R)
• M8: 4,107,958 km (0.105 R)
• M9: 5,370,713 km (0.077 R)
• M10: 5,967,010 km (0.08 R)
• M11: 6,852,779 km (0.105 R)
• M12: 7,410,630 km (0.108 R)
• M13: 7,799,285 km (0.089 R)
• M14: 9,434,988 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 14.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.3 AU - 2.42 AU

Year: 2378 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,259,841 km

• M1: 175,329 km (0.096 R)
• M2: 656,884 km (0.081 R)
• M3: 1,128,118 km (0.079 R)
• M4: 1,601,595 km (0.106 R)
• M5: 2,493,049 km (0.102 R)
• M6: 3,627,898 km (0.089 R)
• M7: 4,099,730 km (0.1 R)
• M8: 4,632,448 km (0.102 R)
• M9: 5,297,859 km (0.075 R)
• M10: 6,218,783 km (0.097 R)
• M11: 8,619,829 km (0.04 R)
• M12: 9,178,428 km (0.047 R)
• M13: 10,858,262 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.5

Radius: 3.4

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.92 AU - 8.12 AU

Year: 14899 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,259,841 km

• M1: 42,336 km (0.073 R)
• M2: 170,242 km (0.108 R)
• M3: 1,580,950 km (0.104 R)
• M4: 1,728,454 km (0.069 R)
• M5: 2,067,891 km (0.103 R)
• M6: 2,317,869 km (0.12 R)
• M7: 3,672,777 km (0.111 R)
• M8: 3,958,509 km (0.062 R)
• M9: 4,813,461 km (0.12 R)
• M10: 5,283,946 km (0.102 R)
• M11: 6,028,495 km (0.095 R)
• M12: 6,649,775 km (0.072 R)
• M13: 8,018,446 km (0.044 R)
• M14: 8,587,965 km (0.06 R)
• M15: 9,090,464 km (0.093 R)
• M16: 10,254,635 km (0.097 R)
• M17: 10,612,024 km (0.095 R)
• M18: 11,405,641 km (0.1 R)
• M19: 11,569,002 km (0.089 R)
• M20: 11,789,359 km (0.093 R)
• M21: 12,238,153 km (0.094 R)
• M22: 12,466,888 km (0.062 R)
• M23: 13,050,918 km (0.082 R)
• M24: 16,247,526 km (0.089 R)
• M25: 16,663,108 km (0.107 R)
• M26: 17,443,112 km (0.111 R)
• M27: 18,620,746 km (0.084 R)
• M28: 18,771,690 km (0.085 R)
• M29: 20,565,369 km (0.081 R)
• M30: 23,509,156 km (0.101 R)
• M31: 23,862,356 km (0.104 R)
• M32: 27,397,504 km (0.037 R)
• M33: 30,318,851 km (0.104 R)
• M34: 31,265,955 km (0.071 R)
• M35: 33,441,108 km (0.053 R)
• M36: 33,552,409 km (0.118 R)
• M37: 37,366,556 km (0.098 R)
• M38: 38,822,143 km (0.092 R)
• M39: 44,887,439 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.2

Radius: 3.1

Gravity: 40.81 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.82 AU - 9.56 AU

Year: 16805 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 56,259,841 km

• M1: 38,596 km (0.066 R)
• M2: 135,685 km (0.067 R)
• M3: 273,166 km (0.106 R)
• M4: 436,527 km (0.089 R)
• M5: 1,340,098 km (0.098 R)
• M6: 1,602,492 km (0.097 R)
• M7: 1,779,167 km (0.106 R)
• M8: 2,956,204 km (0.104 R)
• M9: 5,059,998 km (0.083 R)
• M10: 5,161,725 km (0.112 R)
• M11: 5,264,798 km (0.081 R)
• M12: 5,439,827 km (0.087 R)
• M13: 11,294,190 km (0.097 R)
• M14: 11,703,041 km (0.12 R)
• M15: 13,244,049 km (0.074 R)
• M16: 13,373,002 km (0.104 R)
• M17: 14,433,951 km (0.037 R)
• M18: 15,621,309 km (0.054 R)
• M19: 16,646,802 km (0.089 R)
• M20: 20,160,707 km (0.074 R)
• M21: 20,675,174 km (0.094 R)
• M22: 24,330,747 km (0.049 R)
• M23: 24,718,355 km (0.046 R)
• M24: 26,310,077 km (0.117 R)
• M25: 27,131,070 km (0.057 R)
• M26: 33,242,292 km (0.066 R)
• M27: 36,048,449 km (0.042 R)
• M28: 36,932,872 km (0.087 R)
• M29: 38,744,951 km (0.075 R)
• M30: 39,008,542 km (0.049 R)
• M31: 40,615,373 km (0.12 R)
• M32: 41,023,925 km (0.091 R)
• M33: 41,572,799 km (0.073 R)
• M34: 46,884,272 km (0.101 R)
• M35: 47,333,664 km (0.11 R)
• M36: 48,852,681 km (0.103 R)
• M37: 49,469,323 km (0.089 R)
• M38: 51,987,654 km (0.114 R)
• M39: 54,921,268 km (0.093 R)
• M40: 55,087,471 km (0.081 R)
• M41: 55,253,974 km (0.074 R)
• M42: 55,755,426 km (0.064 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit