🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.56 AU - 0.78 AU

Year: 349 Days

Day: 47.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,093,168 km

• M1: 720,314 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 14.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.9 AU - 1.36 AU

Year: 764 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,093,168 km

• M1: 182,958 km (0.089 R)
• M2: 671,844 km (0.12 R)
• M3: 1,147,864 km (0.049 R)
• M4: 2,023,461 km (0.082 R)
• M5: 2,762,175 km (0.106 R)
• M6: 4,197,118 km (0.082 R)
• M7: 4,996,718 km (0.116 R)
• M8: 5,638,942 km (0.11 R)
• M9: 6,675,057 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 10

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.42 AU - 1.96 AU

Year: 1397 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,093,168 km

• M1: 130,898 km (0.109 R)
• M2: 525,089 km (0.097 R)
• M3: 909,705 km (0.085 R)
• M4: 1,516,474 km (0.071 R)
• M5: 1,930,860 km (0.101 R)
• M6: 2,353,474 km (0.063 R)
• M7: 2,713,257 km (0.116 R)
• M8: 3,501,338 km (0.075 R)
• M9: 4,101,525 km (0.12 R)
• M10: 4,823,035 km (0.107 R)
• M11: 5,647,020 km (0.053 R)
• M12: 6,788,602 km (0.093 R)
• M13: 7,597,926 km (0.101 R)
• M14: 8,364,316 km (0.088 R)
• M15: 8,712,131 km (0.071 R)
• M16: 9,931,803 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.2

Radius: 14.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.16 AU - 5.22 AU

Year: 6458 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,093,168 km

• M1: 185,352 km (0.058 R)
• M2: 742,005 km (0.073 R)
• M3: 1,382,733 km (0.046 R)
• M4: 1,883,288 km (0.114 R)
• M5: 3,143,650 km (0.098 R)
• M6: 4,639,180 km (0.102 R)
• M7: 5,135,695 km (0.11 R)
• M8: 6,042,856 km (0.103 R)
• M9: 6,602,951 km (0.086 R)
• M10: 7,527,017 km (0.116 R)
• M11: 8,576,147 km (0.038 R)
• M12: 9,457,877 km (0.103 R)
• M13: 10,539,020 km (0.104 R)
• M14: 13,546,536 km (0.107 R)
• M15: 14,919,695 km (0.114 R)
• M16: 17,151,246 km (0.092 R)
• M17: 19,668,380 km (0.069 R)
• M18: 20,389,143 km (0.041 R)
• M19: 21,578,745 km (0.104 R)
• M20: 22,345,434 km (0.104 R)
• M21: 26,195,036 km (0.106 R)
• M22: 28,504,378 km (0.12 R)
• M23: 30,370,911 km (0.115 R)
• M24: 32,616,824 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 8

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.22 AU - 6.06 AU

Year: 8516 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,093,168 km

• M1: 101,876 km (0.071 R)
• M2: 370,704 km (0.025 R)
• M3: 906,114 km (0.102 R)
• M4: 1,308,832 km (0.114 R)
• M5: 1,660,237 km (0.093 R)
• M6: 2,361,402 km (0.113 R)
• M7: 4,718,466 km (0.078 R)
• M8: 5,550,530 km (0.104 R)
• M9: 8,863,375 km (0.063 R)
• M10: 10,380,895 km (0.059 R)
• M11: 11,228,367 km (0.07 R)
• M12: 15,150,225 km (0.076 R)
• M13: 29,729,734 km (0.109 R)
• M14: 32,087,696 km (0.117 R)
• M15: 35,265,304 km (0.108 R)
• M16: 42,106,265 km (0.079 R)
• M17: 46,608,264 km (0.103 R)
• M18: 47,602,790 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.5

Radius: 3.7

Gravity: 30.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.2 AU - 10.32 AU

Year: 17916 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 55.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,093,168 km

• M1: 46,076 km (0.07 R)
• M2: 163,361 km (0.12 R)
• M3: 306,077 km (0.089 R)
• M4: 438,621 km (0.107 R)
• M5: 659,577 km (0.099 R)
• M6: 815,458 km (0.11 R)
• M7: 2,554,832 km (0.054 R)
• M8: 3,393,179 km (0.067 R)
• M9: 5,373,256 km (0.085 R)
• M10: 6,938,948 km (0.103 R)
• M11: 7,551,850 km (0.094 R)
• M12: 7,825,315 km (0.076 R)
• M13: 8,636,135 km (0.072 R)
• M14: 9,606,726 km (0.111 R)
• M15: 11,283,868 km (0.102 R)
• M16: 14,776,380 km (0.039 R)
• M17: 21,811,070 km (0.116 R)
• M18: 27,566,400 km (0.035 R)
• M19: 28,432,123 km (0.048 R)
• M20: 28,761,238 km (0.119 R)
• M21: 31,253,688 km (0.048 R)
• M22: 31,370,225 km (0.109 R)
• M23: 32,912,429 km (0.114 R)
• M24: 35,891,072 km (0.113 R)
• M25: 38,506,492 km (0.102 R)
• M26: 40,966,479 km (0.066 R)
• M27: 48,189,663 km (0.034 R)
• M28: 49,920,211 km (0.115 R)
• M29: 54,849,461 km (0.078 R)
• M30: 55,189,048 km (0.082 R)
• M31: 56,908,676 km (0.091 R)
• M32: 57,082,508 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 19,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit