🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 12.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,115,401 km

• M1: 151,094 km (0.115 R)
• M2: 631,901 km (0.026 R)
• M3: 1,089,372 km (0.113 R)
• M4: 1,827,637 km (0.109 R)
• M5: 2,451,012 km (0.047 R)
• M6: 2,828,148 km (0.11 R)
• M7: 3,643,456 km (0.069 R)
• M8: 4,088,211 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 10.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.93 AU - 1.03 AU

Year: 658 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,115,401 km

• M1: 126,111 km (0.118 R)
• M2: 737,667 km (0.097 R)
• M3: 1,145,471 km (0.098 R)
• M4: 2,331,932 km (0.096 R)
• M5: 3,108,644 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 10.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.86 AU - 1.22 AU

Year: 719 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,115,401 km

• M1: 137,331 km (0.102 R)
• M2: 659,577 km (0.082 R)
• M3: 1,217,727 km (0.038 R)
• M4: 1,679,984 km (0.079 R)
• M5: 2,429,320 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.9

Radius: 9.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.28 AU - 1.34 AU

Year: 1017 Days

Day: 6.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,115,401 km

• M1: 120,576 km (0.11 R)
• M2: 431,739 km (0.09 R)
• M3: 803,490 km (0.088 R)
• M4: 1,246,001 km (0.081 R)
• M5: 1,584,690 km (0.043 R)
• M6: 2,061,459 km (0.09 R)
• M7: 2,597,767 km (0.091 R)
• M8: 2,992,556 km (0.096 R)
• M9: 3,385,998 km (0.096 R)
• M10: 3,843,768 km (0.109 R)
• M11: 4,407,602 km (0.102 R)
• M12: 4,954,233 km (0.102 R)
• M13: 5,564,742 km (0.097 R)
• M14: 6,605,943 km (0.096 R)
• M15: 6,935,507 km (0.115 R)
• M16: 7,628,145 km (0.049 R)
• M17: 8,264,983 km (0.108 R)
• M18: 8,596,492 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 13.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.8 AU - 1.92 AU

Year: 1721 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,115,401 km

• M1: 170,392 km (0.052 R)
• M2: 1,017,565 km (0.075 R)
• M3: 1,693,298 km (0.082 R)
• M4: 2,449,067 km (0.066 R)
• M5: 2,920,599 km (0.073 R)
• M6: 3,907,796 km (0.036 R)
• M7: 4,364,518 km (0.103 R)
• M8: 5,170,402 km (0.107 R)
• M9: 6,097,160 km (0.089 R)
• M10: 8,192,727 km (0.116 R)
• M11: 9,356,000 km (0.116 R)
• M12: 10,044,749 km (0.049 R)
• M13: 10,487,858 km (0.033 R)
• M14: 12,276,899 km (0.109 R)
• M15: 12,863,173 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 14.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.21 AU - 4.77 AU

Year: 6453 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,115,401 km

• M1: 183,257 km (0.084 R)
• M2: 703,260 km (0.081 R)
• M3: 1,169,706 km (0.087 R)
• M4: 1,628,971 km (0.095 R)
• M5: 3,039,530 km (0.083 R)
• M6: 4,065,472 km (0.081 R)
• M7: 4,756,165 km (0.045 R)
• M8: 6,052,580 km (0.106 R)
• M9: 7,179,202 km (0.107 R)
• M10: 8,993,674 km (0.106 R)
• M11: 9,491,536 km (0.079 R)
• M12: 10,335,118 km (0.093 R)
• M13: 12,782,091 km (0.085 R)
• M14: 14,947,819 km (0.108 R)
• M15: 16,826,170 km (0.099 R)
• M16: 17,348,566 km (0.078 R)
• M17: 18,002,009 km (0.078 R)
• M18: 20,320,926 km (0.089 R)
• M19: 24,200,148 km (0.072 R)
• M20: 25,393,341 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.3

Radius: 6.2

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.88 AU - 8.86 AU

Year: 16424 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,115,401 km

• M1: 77,193 km (0.112 R)
• M2: 354,547 km (0.09 R)
• M3: 1,181,973 km (0.109 R)
• M4: 1,641,837 km (0.091 R)
• M5: 2,153,761 km (0.054 R)
• M6: 2,695,903 km (0.066 R)
• M7: 3,835,540 km (0.045 R)
• M8: 4,047,670 km (0.118 R)
• M9: 4,528,776 km (0.096 R)
• M10: 5,527,941 km (0.119 R)
• M11: 6,284,756 km (0.103 R)
• M12: 6,580,212 km (0.113 R)
• M13: 7,617,075 km (0.052 R)
• M14: 9,074,457 km (0.08 R)
• M15: 9,562,146 km (0.108 R)
• M16: 10,887,883 km (0.11 R)
• M17: 11,626,148 km (0.086 R)
• M18: 13,757,469 km (0.091 R)
• M19: 14,040,957 km (0.114 R)
• M20: 14,693,054 km (0.097 R)
• M21: 15,139,005 km (0.056 R)
• M22: 16,932,085 km (0.057 R)
• M23: 17,670,800 km (0.09 R)
• M24: 22,560,107 km (0.056 R)
• M25: 24,996,009 km (0.115 R)
• M26: 30,864,285 km (0.049 R)
• M27: 31,718,339 km (0.097 R)
• M28: 34,635,348 km (0.077 R)
• M29: 35,292,382 km (0.086 R)
• M30: 38,702,316 km (0.047 R)
• M31: 39,695,197 km (0.095 R)
• M32: 40,559,573 km (0.102 R)
• M33: 44,296,378 km (0.077 R)
• M34: 47,124,825 km (0.034 R)
• M35: 49,904,354 km (0.043 R)
• M36: 52,446,171 km (0.105 R)
• M37: 54,895,088 km (0.092 R)
• M38: 62,697,515 km (0.116 R)
• M39: 63,672,893 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit