🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 11.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.89 AU - 1.07 AU

Year: 670 Days

Day: 8 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,971,807 km

• M1: 144,661 km (0.064 R)
• M2: 616,343 km (0.059 R)
• M3: 1,143,377 km (0.106 R)
• M4: 1,508,994 km (0.087 R)
• M5: 1,875,808 km (0.105 R)
• M6: 2,487,813 km (0.05 R)
• M7: 3,055,387 km (0.105 R)
• M8: 3,666,195 km (0.099 R)
• M9: 4,052,906 km (0.076 R)
• M10: 4,775,314 km (0.091 R)
• M11: 5,185,212 km (0.09 R)
• M12: 5,563,096 km (0.069 R)
• M13: 6,115,411 km (0.052 R)
• M14: 7,509,514 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 11.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1 AU - 1.16 AU

Year: 775 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,971,807 km

• M1: 145,559 km (0.065 R)
• M2: 531,222 km (0.068 R)
• M3: 961,166 km (0.1 R)
• M4: 1,372,411 km (0.111 R)
• M5: 2,269,848 km (0.068 R)
• M6: 2,768,757 km (0.108 R)
• M7: 3,804,274 km (0.061 R)
• M8: 4,294,656 km (0.119 R)
• M9: 4,738,213 km (0.095 R)
• M10: 5,519,713 km (0.06 R)
• M11: 5,983,017 km (0.101 R)
• M12: 6,428,520 km (0.103 R)
• M13: 6,941,940 km (0.084 R)
• M14: 7,726,431 km (0.066 R)
• M15: 8,255,708 km (0.114 R)
• M16: 8,890,153 km (0.037 R)
• M17: 9,386,967 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.2

Radius: 8.8

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.37 AU - 1.67 AU

Year: 1294 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,971,807 km

• M1: 109,506 km (0.097 R)
• M2: 405,261 km (0.112 R)
• M3: 812,616 km (0.088 R)
• M4: 1,090,269 km (0.106 R)
• M5: 1,973,495 km (0.085 R)
• M6: 2,806,456 km (0.056 R)
• M7: 3,272,005 km (0.114 R)
• M8: 3,805,171 km (0.108 R)
• M9: 4,702,759 km (0.037 R)
• M10: 5,339,447 km (0.085 R)
• M11: 5,623,085 km (0.109 R)
• M12: 6,055,722 km (0.101 R)
• M13: 7,928,238 km (0.11 R)
• M14: 8,679,818 km (0.031 R)
• M15: 9,960,226 km (0.113 R)
• M16: 11,043,764 km (0.117 R)
• M17: 11,650,533 km (0.07 R)
• M18: 11,980,545 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 12.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.17 AU - 3.19 AU

Year: 3028 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,971,807 km

• M1: 159,172 km (0.041 R)
• M2: 695,481 km (0.05 R)
• M3: 1,641,687 km (0.047 R)
• M4: 2,065,947 km (0.117 R)
• M5: 2,610,483 km (0.025 R)
• M6: 3,268,265 km (0.104 R)
• M7: 4,632,298 km (0.071 R)
• M8: 5,391,208 km (0.072 R)
• M9: 7,002,078 km (0.079 R)
• M10: 7,935,569 km (0.104 R)
• M11: 9,660,582 km (0.042 R)
• M12: 11,236,745 km (0.097 R)
• M13: 12,424,103 km (0.096 R)
• M14: 15,255,841 km (0.096 R)
• M15: 16,379,471 km (0.118 R)
• M16: 19,707,874 km (0.064 R)
• M17: 21,366,166 km (0.115 R)
• M18: 21,961,416 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 9.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.96 AU - 4 AU

Year: 5481 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,971,807 km

• M1: 114,442 km (0.101 R)
• M2: 468,391 km (0.056 R)
• M3: 1,202,019 km (0.114 R)
• M4: 1,495,380 km (0.07 R)
• M5: 1,886,878 km (0.056 R)
• M6: 3,191,671 km (0.054 R)
• M7: 4,587,718 km (0.118 R)
• M8: 5,343,935 km (0.07 R)
• M9: 6,586,645 km (0.068 R)
• M10: 7,355,129 km (0.08 R)
• M11: 8,354,891 km (0.114 R)
• M12: 11,332,637 km (0.096 R)
• M13: 14,144,778 km (0.059 R)
• M14: 20,909,893 km (0.106 R)
• M15: 22,563,099 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.4

Radius: 4.2

Gravity: 50.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.23 AU - 8.11 AU

Year: 13252 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,971,807 km

• M1: 52,509 km (0.074 R)
• M2: 334,800 km (0.108 R)
• M3: 2,232,150 km (0.081 R)
• M4: 3,213,512 km (0.113 R)
• M5: 4,848,317 km (0.12 R)
• M6: 7,500,089 km (0.096 R)
• M7: 9,261,305 km (0.119 R)
• M8: 13,642,877 km (0.057 R)
• M9: 15,120,455 km (0.115 R)
• M10: 16,935,825 km (0.042 R)
• M11: 18,389,169 km (0.104 R)
• M12: 20,364,459 km (0.116 R)
• M13: 20,542,630 km (0.112 R)
• M14: 25,756,116 km (0.11 R)
• M15: 27,672,465 km (0.07 R)
• M16: 31,905,935 km (0.091 R)
• M17: 34,490,836 km (0.092 R)
• M18: 36,814,690 km (0.089 R)
• M19: 37,079,179 km (0.097 R)
• M20: 43,223,163 km (0.116 R)
• M21: 45,160,306 km (0.1 R)
• M22: 55,199,221 km (0.105 R)
• M23: 56,946,075 km (0.065 R)
• M24: 61,659,754 km (0.048 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit