🌌 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: 602.1

Radius: 12.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.58 AU - 0.84 AU

Year: 386 Days

Day: 13.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,928,901 km

• M1: 151,692 km (0.112 R)
• M2: 884,722 km (0.104 R)
• M3: 1,296,864 km (0.06 R)
• M4: 1,718,730 km (0.11 R)
• M5: 2,335,821 km (0.095 R)
• M6: 2,920,001 km (0.109 R)
• M7: 3,483,835 km (0.114 R)
• M8: 4,816,303 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 14.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.63 AU - 0.91 AU

Year: 436 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,928,901 km

• M1: 183,557 km (0.109 R)
• M2: 787,633 km (0.028 R)
• M3: 1,272,031 km (0.073 R)
• M4: 1,823,897 km (0.087 R)
• M5: 2,299,618 km (0.102 R)
• M6: 3,637,173 km (0.082 R)
• M7: 4,128,303 km (0.114 R)
• M8: 4,748,087 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 13.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,928,901 km

• M1: 99,782 km (0.087 R)
• M2: 402,269 km (0.104 R)
• M3: 752,776 km (0.111 R)
• M4: 1,052,421 km (0.058 R)
• M5: 1,450,052 km (0.051 R)
• M6: 1,743,264 km (0.101 R)
• M7: 2,196,246 km (0.111 R)
• M8: 2,697,100 km (0.098 R)
• M9: 3,841,524 km (0.074 R)
• M10: 4,678,374 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 9.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.78 AU - 2.92 AU

Year: 2326 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 167.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,928,901 km

• M1: 114,891 km (0.073 R)
• M2: 464,501 km (0.086 R)
• M3: 766,390 km (0.12 R)
• M4: 1,103,583 km (0.046 R)
• M5: 1,570,030 km (0.075 R)
• M6: 2,163,784 km (0.09 R)
• M7: 2,486,167 km (0.077 R)
• M8: 2,855,674 km (0.111 R)
• M9: 3,599,624 km (0.118 R)
• M10: 4,406,704 km (0.098 R)
• M11: 4,757,362 km (0.096 R)
• M12: 5,082,288 km (0.109 R)
• M13: 5,468,251 km (0.103 R)
• M14: 5,996,930 km (0.08 R)
• M15: 6,853,378 km (0.119 R)
• M16: 8,149,793 km (0.11 R)
• M17: 8,807,724 km (0.118 R)
• M18: 11,876,874 km (0.054 R)
• M19: 14,398,645 km (0.099 R)
• M20: 15,879,964 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 13.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.52 AU - 4.48 AU

Year: 5165 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,928,901 km

• M1: 173,833 km (0.094 R)
• M2: 725,699 km (0.034 R)
• M3: 1,216,081 km (0.075 R)
• M4: 1,809,985 km (0.092 R)
• M5: 2,810,046 km (0.087 R)
• M6: 3,730,373 km (0.098 R)
• M7: 4,683,161 km (0.082 R)
• M8: 5,317,456 km (0.092 R)
• M9: 6,008,748 km (0.101 R)
• M10: 7,317,729 km (0.115 R)
• M11: 9,519,212 km (0.111 R)
• M12: 11,486,873 km (0.061 R)
• M13: 12,233,366 km (0.074 R)
• M14: 13,548,930 km (0.1 R)
• M15: 14,100,946 km (0.049 R)
• M16: 15,546,809 km (0.108 R)
• M17: 17,409,751 km (0.107 R)
• M18: 18,731,897 km (0.104 R)
• M19: 19,766,516 km (0.107 R)
• M20: 23,256,335 km (0.066 R)
• M21: 24,209,274 km (0.065 R)
• M22: 24,695,467 km (0.056 R)
• M23: 25,436,874 km (0.058 R)
• M24: 26,108,269 km (0.081 R)
• M25: 29,552,461 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 11.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.92 AU - 5.34 AU

Year: 7502 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,928,901 km

• M1: 145,559 km (0.059 R)
• M2: 1,014,573 km (0.109 R)
• M3: 1,662,780 km (0.065 R)
• M4: 2,052,034 km (0.077 R)
• M5: 2,537,329 km (0.091 R)
• M6: 4,550,318 km (0.111 R)
• M7: 5,179,976 km (0.027 R)
• M8: 5,743,212 km (0.099 R)
• M9: 6,887,935 km (0.064 R)
• M10: 7,277,488 km (0.116 R)
• M11: 7,719,250 km (0.095 R)
• M12: 8,296,698 km (0.103 R)
• M13: 9,237,968 km (0.084 R)
• M14: 9,625,127 km (0.1 R)
• M15: 10,248,950 km (0.095 R)
• M16: 10,757,882 km (0.104 R)
• M17: 11,138,609 km (0.065 R)
• M18: 11,676,712 km (0.093 R)
• M19: 12,542,585 km (0.107 R)
• M20: 16,564,075 km (0.1 R)
• M21: 18,660,390 km (0.116 R)
• M22: 23,373,620 km (0.107 R)
• M23: 30,880,292 km (0.067 R)
• M24: 32,533,348 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.7

Radius: 4.6

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.44 AU - 6.78 AU

Year: 10973 Days

Day: 19.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,928,901 km

• M1: 57,146 km (0.105 R)
• M2: 219,909 km (0.09 R)
• M3: 442,959 km (0.114 R)
• M4: 657,333 km (0.08 R)
• M5: 837,150 km (0.057 R)
• M6: 1,169,107 km (0.047 R)
• M7: 1,448,855 km (0.112 R)
• M8: 2,176,350 km (0.1 R)
• M9: 3,465,734 km (0.083 R)
• M10: 4,858,041 km (0.116 R)
• M11: 7,586,108 km (0.043 R)
• M12: 10,423,830 km (0.046 R)
• M13: 10,879,505 km (0.073 R)
• M14: 12,270,915 km (0.071 R)
• M15: 13,067,224 km (0.104 R)
• M16: 13,418,779 km (0.092 R)
• M17: 14,825,299 km (0.084 R)
• M18: 15,926,040 km (0.09 R)
• M19: 17,149,601 km (0.104 R)
• M20: 17,571,018 km (0.104 R)
• M21: 18,581,252 km (0.118 R)
• M22: 19,782,523 km (0.054 R)
• M23: 20,245,977 km (0.03 R)
• M24: 20,795,750 km (0.053 R)
• M25: 23,095,069 km (0.071 R)
• M26: 23,781,873 km (0.102 R)
• M27: 25,832,112 km (0.102 R)
• M28: 29,572,956 km (0.11 R)
• M29: 30,077,101 km (0.089 R)
• M30: 31,206,565 km (0.115 R)
• M31: 32,364,003 km (0.077 R)
• M32: 34,541,400 km (0.08 R)
• M33: 38,224,949 km (0.111 R)
• M34: 42,161,766 km (0.058 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: 170 - 16,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit