🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 12.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.62 AU - 0.8 AU

Year: 380 Days

Day: 7.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,212,878 km

• M1: 167,550 km (0.115 R)
• M2: 606,919 km (0.069 R)
• M3: 1,055,712 km (0.099 R)
• M4: 1,534,126 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 13.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.08 AU - 1.7 AU

Year: 1042 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,212,878 km

• M1: 163,062 km (0.107 R)
• M2: 750,233 km (0.052 R)
• M3: 1,213,538 km (0.114 R)
• M4: 2,286,603 km (0.105 R)
• M5: 2,752,002 km (0.092 R)
• M6: 3,983,492 km (0.104 R)
• M7: 4,545,232 km (0.079 R)
• M8: 4,969,641 km (0.114 R)
• M9: 5,933,800 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.3

Radius: 13.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.59 AU - 1.73 AU

Year: 1360 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,212,878 km

• M1: 164,258 km (0.053 R)
• M2: 603,328 km (0.101 R)
• M3: 1,163,572 km (0.055 R)
• M4: 1,590,674 km (0.106 R)
• M5: 2,024,059 km (0.071 R)
• M6: 3,321,522 km (0.07 R)
• M7: 4,042,434 km (0.104 R)
• M8: 5,093,359 km (0.117 R)
• M9: 5,820,554 km (0.079 R)
• M10: 6,793,838 km (0.085 R)
• M11: 7,239,191 km (0.097 R)
• M12: 7,844,464 km (0.096 R)
• M13: 8,364,765 km (0.108 R)
• M14: 8,969,739 km (0.071 R)
• M15: 13,112,852 km (0.117 R)
• M16: 13,681,623 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.3

Radius: 14.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.42 AU - 1.98 AU

Year: 1409 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,212,878 km

• M1: 176,525 km (0.058 R)
• M2: 694,882 km (0.056 R)
• M3: 1,137,243 km (0.058 R)
• M4: 1,930,710 km (0.066 R)
• M5: 2,632,623 km (0.09 R)
• M6: 3,112,982 km (0.116 R)
• M7: 4,642,471 km (0.109 R)
• M8: 5,699,380 km (0.116 R)
• M9: 6,958,994 km (0.116 R)
• M10: 7,732,265 km (0.066 R)
• M11: 8,369,702 km (0.118 R)
• M12: 11,078,321 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 10.5

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.64 AU - 4.66 AU

Year: 5375 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,212,878 km

• M1: 130,599 km (0.099 R)
• M2: 510,278 km (0.116 R)
• M3: 918,381 km (0.118 R)
• M4: 2,169,020 km (0.045 R)
• M5: 2,743,625 km (0.075 R)
• M6: 4,525,635 km (0.037 R)
• M7: 5,407,664 km (0.118 R)
• M8: 6,109,876 km (0.032 R)
• M9: 6,802,814 km (0.07 R)
• M10: 8,073,498 km (0.078 R)
• M11: 9,367,968 km (0.082 R)
• M12: 11,561,971 km (0.112 R)
• M13: 13,856,054 km (0.104 R)
• M14: 14,645,482 km (0.104 R)
• M15: 19,813,640 km (0.08 R)
• M16: 20,167,738 km (0.079 R)
• M17: 24,833,845 km (0.113 R)
• M18: 27,547,999 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 5.1

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.09 AU - 9.21 AU

Year: 16175 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,212,878 km

• M1: 63,579 km (0.028 R)
• M2: 451,486 km (0.072 R)
• M3: 621,729 km (0.1 R)
• M4: 955,182 km (0.112 R)
• M5: 1,156,691 km (0.091 R)
• M6: 1,427,912 km (0.096 R)
• M7: 1,708,856 km (0.077 R)
• M8: 3,120,163 km (0.093 R)
• M9: 3,490,567 km (0.09 R)
• M10: 3,673,226 km (0.107 R)
• M11: 4,810,469 km (0.027 R)
• M12: 5,236,823 km (0.071 R)
• M13: 5,407,365 km (0.059 R)
• M14: 5,581,497 km (0.104 R)
• M15: 6,787,106 km (0.069 R)
• M16: 7,197,004 km (0.102 R)
• M17: 7,666,741 km (0.083 R)
• M18: 8,020,989 km (0.045 R)
• M19: 10,010,342 km (0.096 R)
• M20: 10,649,573 km (0.065 R)
• M21: 17,296,805 km (0.112 R)
• M22: 21,688,251 km (0.073 R)
• M23: 22,937,243 km (0.107 R)
• M24: 25,970,789 km (0.117 R)
• M25: 27,996,494 km (0.096 R)
• M26: 30,125,271 km (0.059 R)
• M27: 30,673,847 km (0.097 R)
• M28: 31,229,004 km (0.112 R)
• M29: 33,751,673 km (0.105 R)
• M30: 34,224,402 km (0.097 R)
• M31: 36,283,318 km (0.034 R)
• M32: 38,039,597 km (0.093 R)
• M33: 39,589,431 km (0.111 R)
• M34: 40,379,906 km (0.086 R)
• M35: 41,315,491 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit