🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.9

Radius: 12.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.25 AU - 1.31 AU

Year: 966 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,114,015 km

• M1: 158,125 km (0.029 R)
• M2: 828,623 km (0.1 R)
• M3: 1,302,549 km (0.111 R)
• M4: 1,920,687 km (0.052 R)
• M5: 3,295,791 km (0.038 R)
• M6: 3,737,104 km (0.035 R)
• M7: 4,184,701 km (0.117 R)
• M8: 5,055,062 km (0.028 R)
• M9: 5,604,535 km (0.076 R)
• M10: 7,422,149 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 8.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.01 AU - 1.55 AU

Year: 966 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,114,015 km

• M1: 103,372 km (0.108 R)
• M2: 364,570 km (0.105 R)
• M3: 679,623 km (0.102 R)
• M4: 942,766 km (0.06 R)
• M5: 1,361,640 km (0.087 R)
• M6: 1,957,189 km (0.109 R)
• M7: 2,849,391 km (0.082 R)
• M8: 3,276,941 km (0.041 R)
• M9: 4,244,092 km (0.08 R)
• M10: 4,715,026 km (0.075 R)
• M11: 5,035,764 km (0.055 R)
• M12: 5,861,693 km (0.079 R)
• M13: 6,128,277 km (0.105 R)
• M14: 6,510,948 km (0.089 R)
• M15: 6,932,066 km (0.094 R)
• M16: 7,585,809 km (0.119 R)
• M17: 8,382,417 km (0.063 R)
• M18: 9,178,727 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 11.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.1 AU - 1.62 AU

Year: 1058 Days

Day: 13.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,114,015 km

• M1: 140,921 km (0.096 R)
• M2: 1,100,442 km (0.11 R)
• M3: 1,503,907 km (0.081 R)
• M4: 1,880,595 km (0.102 R)
• M5: 2,277,029 km (0.112 R)
• M6: 2,668,377 km (0.08 R)
• M7: 3,588,554 km (0.084 R)
• M8: 4,040,638 km (0.111 R)
• M9: 4,391,445 km (0.05 R)
• M10: 4,762,897 km (0.111 R)
• M11: 5,271,231 km (0.113 R)
• M12: 5,836,561 km (0.096 R)
• M13: 6,668,026 km (0.12 R)
• M14: 7,803,474 km (0.108 R)
• M15: 8,729,634 km (0.077 R)
• M16: 9,262,352 km (0.088 R)
• M17: 9,876,152 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 10.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.46 AU - 1.56 AU

Year: 1237 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,114,015 km

• M1: 126,859 km (0.077 R)
• M2: 485,894 km (0.084 R)
• M3: 909,405 km (0.096 R)
• M4: 1,245,552 km (0.117 R)
• M5: 1,852,919 km (0.075 R)
• M6: 2,170,665 km (0.119 R)
• M7: 2,598,365 km (0.093 R)
• M8: 4,440,214 km (0.065 R)
• M9: 4,787,730 km (0.104 R)
• M10: 5,476,030 km (0.032 R)
• M11: 5,898,046 km (0.115 R)
• M12: 6,548,796 km (0.095 R)
• M13: 7,221,688 km (0.094 R)
• M14: 8,180,909 km (0.039 R)
• M15: 9,883,034 km (0.061 R)
• M16: 10,735,891 km (0.117 R)
• M17: 11,063,959 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 13.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.92 AU - 6.5 AU

Year: 7930 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,114,015 km

• M1: 173,534 km (0.112 R)
• M2: 828,323 km (0.1 R)
• M3: 1,374,505 km (0.039 R)
• M4: 2,642,198 km (0.1 R)
• M5: 3,499,244 km (0.06 R)
• M6: 4,869,411 km (0.085 R)
• M7: 5,332,416 km (0.101 R)
• M8: 6,067,091 km (0.102 R)
• M9: 8,182,555 km (0.104 R)
• M10: 10,934,408 km (0.114 R)
• M11: 13,289,078 km (0.074 R)
• M12: 13,873,108 km (0.111 R)
• M13: 17,744,851 km (0.052 R)
• M14: 19,248,309 km (0.108 R)
• M15: 24,111,736 km (0.117 R)
• M16: 25,546,080 km (0.102 R)
• M17: 27,121,047 km (0.027 R)
• M18: 30,739,071 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.7

Radius: 4.3

Gravity: 43.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.61 AU - 10.65 AU

Year: 19928 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,114,015 km

• M1: 53,706 km (0.115 R)
• M2: 535,261 km (0.087 R)
• M3: 915,988 km (0.064 R)
• M4: 1,130,661 km (0.103 R)
• M5: 1,826,440 km (0.1 R)
• M6: 4,472,827 km (0.104 R)
• M7: 9,113,203 km (0.096 R)
• M8: 9,686,462 km (0.117 R)
• M9: 10,283,358 km (0.046 R)
• M10: 10,467,213 km (0.098 R)
• M11: 43,310,379 km (0.087 R)
• M12: 46,573,707 km (0.049 R)
• M13: 56,575,222 km (0.111 R)
• M14: 61,669,029 km (0.105 R)
• M15: 65,369,034 km (0.12 R)
• M16: 65,578,919 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.2

Radius: 7.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.7 AU - 12.76 AU

Year: 23438 Days

Day: 22.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,114,015 km

• M1: 125,513 km (0.104 R)
• M2: 1,006,046 km (0.086 R)
• M3: 1,536,071 km (0.056 R)
• M4: 1,922,033 km (0.083 R)
• M5: 2,183,531 km (0.106 R)
• M6: 3,280,981 km (0.045 R)
• M7: 3,735,309 km (0.093 R)
• M8: 4,033,009 km (0.092 R)
• M9: 4,738,064 km (0.104 R)
• M10: 5,218,722 km (0.079 R)
• M11: 6,128,277 km (0.071 R)
• M12: 7,858,077 km (0.067 R)
• M13: 8,717,367 km (0.041 R)
• M14: 9,193,986 km (0.088 R)
• M15: 9,587,728 km (0.095 R)
• M16: 10,461,678 km (0.118 R)
• M17: 13,401,725 km (0.104 R)
• M18: 16,778,000 km (0.09 R)
• M19: 18,661,437 km (0.114 R)
• M20: 19,213,004 km (0.101 R)
• M21: 21,102,276 km (0.12 R)
• M22: 21,357,490 km (0.094 R)
• M23: 22,398,990 km (0.104 R)
• M24: 22,753,687 km (0.102 R)
• M25: 23,111,973 km (0.086 R)
• M26: 25,437,472 km (0.059 R)
• M27: 26,018,062 km (0.081 R)
• M28: 27,005,108 km (0.098 R)
• M29: 40,866,997 km (0.102 R)
• M30: 43,423,325 km (0.073 R)
• M31: 47,819,857 km (0.071 R)
• M32: 49,448,679 km (0.12 R)
• M33: 49,899,118 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 15,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit