🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.76 AU - 0.82 AU

Year: 461 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,810,451 km

• M1: 115,639 km (0.078 R)
• M2: 562,338 km (0.115 R)
• M3: 925,562 km (0.111 R)
• M4: 1,496,727 km (0.049 R)
• M5: 2,131,770 km (0.108 R)
• M6: 2,661,047 km (0.063 R)
• M7: 3,207,977 km (0.068 R)
• M8: 3,715,114 km (0.035 R)
• M9: 4,020,892 km (0.095 R)
• M10: 4,668,800 km (0.117 R)
• M11: 5,148,710 km (0.033 R)
• M12: 5,497,423 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 9.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.63 AU - 1.71 AU

Year: 1416 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,810,451 km

• M1: 117,285 km (0.074 R)
• M2: 425,456 km (0.026 R)
• M3: 823,387 km (0.08 R)
• M4: 1,357,301 km (0.103 R)
• M5: 2,458,043 km (0.112 R)
• M6: 3,439,405 km (0.12 R)
• M7: 4,128,004 km (0.102 R)
• M8: 4,971,736 km (0.065 R)
• M9: 6,135,009 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 9.9

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.59 AU - 3.19 AU

Year: 3223 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,810,451 km

• M1: 123,418 km (0.098 R)
• M2: 597,195 km (0.069 R)
• M3: 1,240,765 km (0.103 R)
• M4: 1,676,693 km (0.115 R)
• M5: 2,357,064 km (0.105 R)
• M6: 2,877,964 km (0.099 R)
• M7: 3,211,717 km (0.062 R)
• M8: 3,610,844 km (0.11 R)
• M9: 4,042,882 km (0.113 R)
• M10: 5,263,152 km (0.107 R)
• M11: 6,357,311 km (0.081 R)
• M12: 6,927,279 km (0.112 R)
• M13: 7,762,185 km (0.1 R)
• M14: 8,238,804 km (0.116 R)
• M15: 9,904,277 km (0.113 R)
• M16: 10,302,955 km (0.102 R)
• M17: 10,629,527 km (0.11 R)
• M18: 10,962,981 km (0.087 R)
• M19: 16,288,216 km (0.07 R)
• M20: 17,184,008 km (0.046 R)
• M21: 18,053,321 km (0.107 R)
• M22: 19,381,003 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 13.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.89 AU - 4.95 AU

Year: 6096 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,810,451 km

• M1: 167,849 km (0.115 R)
• M2: 714,330 km (0.078 R)
• M3: 1,346,680 km (0.118 R)
• M4: 2,240,827 km (0.099 R)
• M5: 2,928,977 km (0.105 R)
• M6: 3,971,823 km (0.098 R)
• M7: 4,593,103 km (0.095 R)
• M8: 5,071,817 km (0.067 R)
• M9: 5,741,117 km (0.091 R)
• M10: 6,783,665 km (0.113 R)
• M11: 7,406,890 km (0.098 R)
• M12: 10,625,039 km (0.055 R)
• M13: 13,854,109 km (0.106 R)
• M14: 14,920,144 km (0.099 R)
• M15: 15,411,124 km (0.109 R)
• M16: 17,015,561 km (0.099 R)
• M17: 19,228,413 km (0.103 R)
• M18: 19,737,045 km (0.111 R)
• M19: 20,857,234 km (0.071 R)
• M20: 26,831,126 km (0.032 R)
• M21: 28,112,282 km (0.045 R)
• M22: 30,402,775 km (0.078 R)
• M23: 30,994,285 km (0.09 R)
• M24: 31,694,104 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 12.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.02 AU - 6.36 AU

Year: 7756 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,810,451 km

• M1: 160,369 km (0.038 R)
• M2: 765,193 km (0.087 R)
• M3: 1,279,062 km (0.067 R)
• M4: 2,111,125 km (0.037 R)
• M5: 2,546,156 km (0.065 R)
• M6: 4,045,276 km (0.037 R)
• M7: 5,379,988 km (0.075 R)
• M8: 6,284,008 km (0.082 R)
• M9: 6,902,446 km (0.111 R)
• M10: 9,074,607 km (0.044 R)
• M11: 13,915,145 km (0.097 R)
• M12: 14,724,021 km (0.059 R)
• M13: 16,279,539 km (0.12 R)
• M14: 17,776,416 km (0.086 R)
• M15: 20,071,397 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.2

Radius: 4.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.79 AU - 9.65 AU

Year: 15460 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,810,451 km

• M1: 61,485 km (0.112 R)
• M2: 228,735 km (0.057 R)
• M3: 542,891 km (0.116 R)
• M4: 713,283 km (0.114 R)
• M5: 1,188,106 km (0.097 R)
• M6: 1,353,412 km (0.071 R)
• M7: 1,775,278 km (0.058 R)
• M8: 2,158,548 km (0.063 R)
• M9: 3,426,838 km (0.074 R)
• M10: 3,840,028 km (0.083 R)
• M11: 4,367,959 km (0.086 R)
• M12: 4,678,075 km (0.052 R)
• M13: 5,311,024 km (0.098 R)
• M14: 5,697,285 km (0.108 R)
• M15: 5,897,447 km (0.073 R)
• M16: 6,102,247 km (0.071 R)
• M17: 7,121,307 km (0.075 R)
• M18: 8,811,015 km (0.079 R)
• M19: 10,550,091 km (0.104 R)
• M20: 12,118,325 km (0.114 R)
• M21: 19,269,851 km (0.101 R)
• M22: 20,567,014 km (0.061 R)
• M23: 26,339,099 km (0.111 R)
• M24: 27,175,650 km (0.053 R)
• M25: 28,999,846 km (0.084 R)
• M26: 30,394,996 km (0.049 R)
• M27: 36,309,946 km (0.08 R)
• M28: 38,400,726 km (0.07 R)
• M29: 41,435,768 km (0.068 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: 289 - 14,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit