🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 13.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.39 AU - 1.41 AU

Year: 1087 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,223,406 km

• M1: 169,195 km (0.046 R)
• M2: 648,507 km (0.06 R)
• M3: 1,730,548 km (0.081 R)
• M4: 2,978,344 km (0.116 R)
• M5: 3,518,392 km (0.101 R)
• M6: 3,953,423 km (0.112 R)
• M7: 5,171,598 km (0.066 R)
• M8: 5,780,462 km (0.068 R)
• M9: 6,227,909 km (0.052 R)
• M10: 7,579,975 km (0.078 R)
• M11: 8,912,592 km (0.098 R)
• M12: 9,359,591 km (0.088 R)
• M13: 9,790,283 km (0.076 R)
• M14: 10,363,692 km (0.06 R)
• M15: 10,993,050 km (0.059 R)
• M16: 11,718,300 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 10.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.09 AU - 2.31 AU

Year: 2141 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,223,406 km

• M1: 137,480 km (0.104 R)
• M2: 613,650 km (0.108 R)
• M3: 2,264,912 km (0.089 R)
• M4: 3,301,176 km (0.078 R)
• M5: 4,924,014 km (0.033 R)
• M6: 8,974,227 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 13.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.11 AU - 3.49 AU

Year: 3074 Days

Day: 11.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,223,406 km

• M1: 172,187 km (0.113 R)
• M2: 626,516 km (0.103 R)
• M3: 1,335,759 km (0.037 R)
• M4: 2,233,347 km (0.107 R)
• M5: 2,726,272 km (0.109 R)
• M6: 3,197,804 km (0.119 R)
• M7: 3,846,610 km (0.098 R)
• M8: 4,326,969 km (0.047 R)
• M9: 4,931,195 km (0.116 R)
• M10: 5,522,854 km (0.071 R)
• M11: 6,511,846 km (0.085 R)
• M12: 7,990,621 km (0.108 R)
• M13: 8,438,816 km (0.08 R)
• M14: 10,193,449 km (0.073 R)
• M15: 10,649,872 km (0.094 R)
• M16: 11,453,662 km (0.118 R)
• M17: 13,598,746 km (0.1 R)
• M18: 14,413,605 km (0.083 R)
• M19: 14,989,707 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 13

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.37 AU - 5.31 AU

Year: 5931 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,223,406 km

• M1: 163,211 km (0.087 R)
• M2: 634,145 km (0.097 R)
• M3: 1,172,698 km (0.061 R)
• M4: 1,692,401 km (0.083 R)
• M5: 2,239,031 km (0.044 R)
• M6: 3,520,487 km (0.118 R)
• M7: 4,833,657 km (0.092 R)
• M8: 5,886,227 km (0.045 R)
• M9: 7,120,709 km (0.029 R)
• M10: 7,762,634 km (0.12 R)
• M11: 9,453,538 km (0.115 R)
• M12: 11,666,091 km (0.091 R)
• M13: 12,712,827 km (0.107 R)
• M14: 16,290,610 km (0.107 R)
• M15: 21,497,513 km (0.04 R)
• M16: 22,839,855 km (0.115 R)
• M17: 23,454,253 km (0.098 R)
• M18: 26,776,972 km (0.108 R)
• M19: 27,806,055 km (0.09 R)
• M20: 30,494,030 km (0.092 R)
• M21: 31,521,618 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 13.6

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.72 AU - 4.96 AU

Year: 6985 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,223,406 km

• M1: 173,683 km (0.082 R)
• M2: 649,105 km (0.086 R)
• M3: 1,344,586 km (0.111 R)
• M4: 1,842,747 km (0.038 R)
• M5: 2,728,964 km (0.108 R)
• M6: 3,447,483 km (0.113 R)
• M7: 4,423,310 km (0.113 R)
• M8: 7,294,991 km (0.099 R)
• M9: 7,985,086 km (0.118 R)
• M10: 10,895,363 km (0.114 R)
• M11: 11,931,178 km (0.107 R)
• M12: 20,841,975 km (0.087 R)
• M13: 22,097,999 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.6

Radius: 6.2

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.12 AU - 7.94 AU

Year: 10947 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,223,406 km

• M1: 77,193 km (0.119 R)
• M2: 342,878 km (0.044 R)
• M3: 830,268 km (0.106 R)
• M4: 1,111,662 km (0.085 R)
• M5: 2,039,617 km (0.092 R)
• M6: 2,336,270 km (0.104 R)
• M7: 2,947,527 km (0.115 R)
• M8: 4,302,584 km (0.105 R)
• M9: 6,291,488 km (0.103 R)
• M10: 7,003,275 km (0.059 R)
• M11: 10,339,756 km (0.068 R)
• M12: 10,554,279 km (0.09 R)
• M13: 10,936,801 km (0.118 R)
• M14: 13,302,991 km (0.025 R)
• M15: 14,471,200 km (0.046 R)
• M16: 15,149,028 km (0.053 R)
• M17: 16,133,233 km (0.057 R)
• M18: 16,567,815 km (0.117 R)
• M19: 18,072,919 km (0.104 R)
• M20: 18,462,920 km (0.112 R)
• M21: 19,340,910 km (0.067 R)
• M22: 21,007,879 km (0.044 R)
• M23: 26,081,790 km (0.096 R)
• M24: 27,084,395 km (0.068 R)
• M25: 28,741,790 km (0.119 R)
• M26: 29,166,349 km (0.08 R)
• M27: 35,194,993 km (0.096 R)
• M28: 36,790,904 km (0.084 R)
• M29: 38,178,573 km (0.089 R)
• M30: 41,058,033 km (0.038 R)
• M31: 41,461,499 km (0.076 R)
• M32: 47,539,810 km (0.074 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: 174 - 11,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit