🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.6

Radius: 11.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.21 AU - 1.35 AU

Year: 982 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,150,721 km

• M1: 139,425 km (0.052 R)
• M2: 524,789 km (0.042 R)
• M3: 959,521 km (0.047 R)
• M4: 1,309,729 km (0.052 R)
• M5: 1,747,752 km (0.105 R)
• M6: 2,851,934 km (0.047 R)
• M7: 3,775,102 km (0.054 R)
• M8: 4,161,065 km (0.108 R)
• M9: 4,659,076 km (0.101 R)
• M10: 5,122,530 km (0.04 R)
• M11: 5,695,640 km (0.099 R)
• M12: 6,482,375 km (0.11 R)
• M13: 7,845,660 km (0.103 R)
• M14: 8,195,420 km (0.076 R)
• M15: 8,980,510 km (0.091 R)
• M16: 9,363,630 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 11

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.03 AU - 4.19 AU

Year: 4652 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,150,721 km

• M1: 143,315 km (0.054 R)
• M2: 722,707 km (0.094 R)
• M3: 1,990,699 km (0.109 R)
• M4: 5,724,063 km (0.06 R)
• M5: 8,315,996 km (0.027 R)
• M6: 9,136,989 km (0.11 R)
• M7: 9,848,327 km (0.114 R)
• M8: 10,342,748 km (0.101 R)
• M9: 11,560,923 km (0.03 R)
• M10: 13,413,992 km (0.061 R)
• M11: 14,490,050 km (0.096 R)
• M12: 15,567,454 km (0.117 R)
• M13: 16,409,989 km (0.112 R)
• M14: 16,813,454 km (0.099 R)
• M15: 17,580,293 km (0.112 R)
• M16: 19,955,907 km (0.051 R)
• M17: 21,356,742 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 10.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.15 AU - 5.03 AU

Year: 5610 Days

Day: 14.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,150,721 km

• M1: 129,402 km (0.108 R)
• M2: 678,426 km (0.106 R)
• M3: 1,252,134 km (0.103 R)
• M4: 3,035,191 km (0.078 R)
• M5: 3,685,194 km (0.099 R)
• M6: 4,255,012 km (0.095 R)
• M7: 5,775,974 km (0.12 R)
• M8: 7,087,648 km (0.071 R)
• M9: 8,770,624 km (0.059 R)
• M10: 9,558,556 km (0.107 R)
• M11: 11,604,905 km (0.079 R)
• M12: 12,829,364 km (0.09 R)
• M13: 14,307,540 km (0.061 R)

Asteroid Belt

Center: 4.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 11.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.67 AU - 5.69 AU

Year: 6867 Days

Day: 5.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,150,721 km

• M1: 141,968 km (0.088 R)
• M2: 525,837 km (0.068 R)
• M3: 1,412,353 km (0.113 R)
• M4: 1,844,093 km (0.102 R)
• M5: 2,893,522 km (0.067 R)
• M6: 4,326,819 km (0.114 R)
• M7: 5,462,716 km (0.113 R)
• M8: 6,393,215 km (0.107 R)
• M9: 13,316,305 km (0.037 R)
• M10: 17,801,548 km (0.11 R)
• M11: 20,676,969 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 5.5

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.99 AU - 12.07 AU

Year: 21545 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,150,721 km

• M1: 69,114 km (0.034 R)
• M2: 245,789 km (0.098 R)
• M3: 422,614 km (0.073 R)
• M4: 857,046 km (0.096 R)
• M5: 1,089,970 km (0.06 R)
• M6: 1,995,187 km (0.092 R)
• M7: 2,635,316 km (0.106 R)
• M8: 3,106,250 km (0.03 R)
• M9: 6,292,834 km (0.111 R)
• M10: 7,130,433 km (0.082 R)
• M11: 7,940,954 km (0.111 R)
• M12: 8,548,770 km (0.098 R)
• M13: 8,864,123 km (0.088 R)
• M14: 9,743,160 km (0.084 R)
• M15: 11,865,954 km (0.059 R)
• M16: 12,795,106 km (0.08 R)
• M17: 13,000,354 km (0.109 R)
• M18: 14,647,876 km (0.083 R)
• M19: 24,266,570 km (0.047 R)
• M20: 25,867,417 km (0.115 R)
• M21: 27,085,293 km (0.063 R)
• M22: 30,356,699 km (0.09 R)
• M23: 31,090,327 km (0.087 R)
• M24: 32,976,307 km (0.069 R)
• M25: 35,607,734 km (0.09 R)
• M26: 36,150,325 km (0.099 R)
• M27: 38,518,011 km (0.108 R)
• M28: 41,433,225 km (0.062 R)
• M29: 41,732,720 km (0.103 R)
• M30: 45,438,708 km (0.063 R)
• M31: 47,534,873 km (0.103 R)
• M32: 49,526,170 km (0.074 R)
• M33: 52,616,413 km (0.105 R)
• M34: 62,065,314 km (0.114 R)
• M35: 71,074,846 km (0.088 R)
• M36: 72,150,754 km (0.03 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit