🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 11.3

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,565,365 km

• M1: 140,622 km (0.071 R)
• M2: 496,515 km (0.091 R)
• M3: 880,683 km (0.046 R)
• M4: 1,246,001 km (0.057 R)
• M5: 1,616,405 km (0.067 R)
• M6: 2,023,311 km (0.061 R)
• M7: 2,726,421 km (0.06 R)
• M8: 3,962,100 km (0.082 R)
• M9: 4,496,463 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 10.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.3 AU - 1.34 AU

Year: 1047 Days

Day: 5.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 99.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,565,365 km

• M1: 126,859 km (0.067 R)
• M2: 467,793 km (0.106 R)
• M3: 835,055 km (0.075 R)
• M4: 1,317,808 km (0.069 R)
• M5: 1,846,038 km (0.106 R)
• M6: 2,317,271 km (0.08 R)
• M7: 2,778,481 km (0.108 R)
• M8: 4,063,976 km (0.093 R)
• M9: 4,470,284 km (0.104 R)
• M10: 6,761,674 km (0.079 R)
• M11: 7,163,943 km (0.104 R)
• M12: 7,582,069 km (0.081 R)
• M13: 7,938,710 km (0.069 R)
• M14: 9,595,656 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 10.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.35 AU - 1.93 AU

Year: 1450 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,565,365 km

• M1: 141,819 km (0.088 R)
• M2: 478,264 km (0.12 R)
• M3: 810,970 km (0.098 R)
• M4: 1,567,486 km (0.055 R)
• M5: 2,058,467 km (0.107 R)
• M6: 2,448,468 km (0.066 R)
• M7: 3,674,572 km (0.113 R)
• M8: 4,017,750 km (0.083 R)
• M9: 5,308,032 km (0.068 R)
• M10: 5,807,539 km (0.071 R)
• M11: 7,638,766 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 10.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.91 AU - 1.97 AU

Year: 1865 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,565,365 km

• M1: 131,497 km (0.056 R)
• M2: 723,306 km (0.04 R)
• M3: 1,123,480 km (0.048 R)
• M4: 2,290,493 km (0.096 R)
• M5: 2,722,980 km (0.086 R)
• M6: 4,340,283 km (0.114 R)
• M7: 5,783,005 km (0.116 R)
• M8: 6,132,914 km (0.053 R)
• M9: 7,369,640 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 12.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.15 AU - 3.17 AU

Year: 2995 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,565,365 km

• M1: 160,818 km (0.113 R)
• M2: 901,776 km (0.045 R)
• M3: 1,371,962 km (0.08 R)
• M4: 1,826,141 km (0.071 R)
• M5: 2,256,684 km (0.036 R)
• M6: 2,771,301 km (0.079 R)
• M7: 3,292,051 km (0.106 R)
• M8: 3,759,245 km (0.115 R)
• M9: 4,510,226 km (0.115 R)
• M10: 5,235,028 km (0.114 R)
• M11: 6,063,501 km (0.033 R)
• M12: 6,509,602 km (0.056 R)
• M13: 8,830,613 km (0.104 R)
• M14: 9,776,969 km (0.077 R)
• M15: 10,197,339 km (0.094 R)
• M16: 11,115,271 km (0.081 R)
• M17: 12,000,741 km (0.089 R)
• M18: 13,486,697 km (0.094 R)
• M19: 15,294,886 km (0.063 R)
• M20: 16,125,005 km (0.108 R)
• M21: 16,658,920 km (0.062 R)
• M22: 17,649,557 km (0.103 R)
• M23: 20,236,702 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 9.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.63 AU - 3.71 AU

Year: 3896 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,565,365 km

• M1: 116,537 km (0.071 R)
• M2: 412,741 km (0.094 R)
• M3: 709,692 km (0.09 R)
• M4: 1,533,827 km (0.076 R)
• M5: 1,902,137 km (0.09 R)
• M6: 2,295,729 km (0.069 R)
• M7: 2,988,517 km (0.034 R)
• M8: 4,532,217 km (0.115 R)
• M9: 7,037,682 km (0.081 R)
• M10: 7,551,252 km (0.112 R)
• M11: 7,855,833 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 15

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.91 AU - 4.33 AU

Year: 4754 Days

Day: 8.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,565,365 km

• M1: 186,549 km (0.099 R)
• M2: 656,735 km (0.091 R)
• M3: 1,185,713 km (0.068 R)
• M4: 2,080,906 km (0.096 R)
• M5: 2,706,225 km (0.049 R)
• M6: 3,558,933 km (0.094 R)
• M7: 5,541,853 km (0.088 R)
• M8: 6,564,205 km (0.119 R)
• M9: 8,556,250 km (0.098 R)
• M10: 9,101,983 km (0.035 R)
• M11: 9,964,116 km (0.107 R)
• M12: 10,701,484 km (0.108 R)
• M13: 12,580,732 km (0.112 R)
• M14: 14,289,738 km (0.093 R)
• M15: 15,799,630 km (0.116 R)
• M16: 17,351,857 km (0.1 R)
• M17: 19,733,455 km (0.093 R)
• M18: 20,967,638 km (0.068 R)
• M19: 25,058,391 km (0.112 R)
• M20: 26,341,791 km (0.116 R)
• M21: 27,584,501 km (0.047 R)
• M22: 28,952,723 km (0.061 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit