🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 9.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 10.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,089,283 km

• M1: 113,246 km (0.039 R)
• M2: 405,560 km (0.102 R)
• M3: 843,134 km (0.092 R)
• M4: 1,152,352 km (0.082 R)
• M5: 1,641,837 km (0.082 R)
• M6: 2,223,623 km (0.091 R)
• M7: 2,613,026 km (0.064 R)
• M8: 2,927,032 km (0.06 R)
• M9: 3,574,940 km (0.048 R)
• M10: 4,086,864 km (0.025 R)
• M11: 4,419,719 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 8.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.85 AU - 1.25 AU

Year: 706 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,089,283 km

• M1: 106,962 km (0.104 R)
• M2: 437,723 km (0.099 R)
• M3: 810,072 km (0.071 R)
• M4: 1,088,624 km (0.103 R)
• M5: 1,411,456 km (0.061 R)
• M6: 2,103,645 km (0.084 R)
• M7: 2,526,708 km (0.112 R)
• M8: 2,877,665 km (0.061 R)
• M9: 3,400,509 km (0.055 R)
• M10: 4,174,828 km (0.104 R)
• M11: 4,447,246 km (0.1 R)
• M12: 4,715,474 km (0.051 R)
• M13: 5,061,794 km (0.104 R)
• M14: 5,531,980 km (0.108 R)
• M15: 6,887,636 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 12.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.12 AU - 1.18 AU

Year: 809 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,089,283 km

• M1: 154,385 km (0.104 R)
• M2: 555,307 km (0.11 R)
• M3: 1,078,002 km (0.049 R)
• M4: 1,503,758 km (0.102 R)
• M5: 2,053,380 km (0.103 R)
• M6: 2,454,602 km (0.12 R)
• M7: 3,024,420 km (0.069 R)
• M8: 3,592,294 km (0.117 R)
• M9: 4,181,410 km (0.086 R)
• M10: 4,603,426 km (0.115 R)
• M11: 5,016,914 km (0.06 R)
• M12: 5,795,721 km (0.091 R)
• M13: 6,789,200 km (0.082 R)
• M14: 7,207,625 km (0.101 R)
• M15: 8,199,609 km (0.067 R)
• M16: 8,755,814 km (0.115 R)
• M17: 9,536,565 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 14.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.23 AU - 2.93 AU

Year: 2719 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,089,283 km

• M1: 185,352 km (0.072 R)
• M2: 1,017,565 km (0.088 R)
• M3: 2,589,689 km (0.082 R)
• M4: 3,175,813 km (0.091 R)
• M5: 3,668,589 km (0.119 R)
• M6: 4,134,586 km (0.114 R)
• M7: 4,767,684 km (0.087 R)
• M8: 6,981,583 km (0.028 R)
• M9: 7,792,852 km (0.072 R)
• M10: 9,160,626 km (0.095 R)
• M11: 10,870,380 km (0.063 R)
• M12: 11,368,241 km (0.072 R)
• M13: 12,700,859 km (0.107 R)
• M14: 14,636,656 km (0.12 R)
• M15: 15,917,961 km (0.09 R)
• M16: 17,170,096 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 11.4

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.71 AU - 2.79 AU

Year: 2992 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 157.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,089,283 km

• M1: 142,417 km (0.118 R)
• M2: 570,865 km (0.091 R)
• M3: 1,004,251 km (0.111 R)
• M4: 1,430,604 km (0.111 R)
• M5: 1,808,638 km (0.118 R)
• M6: 2,268,053 km (0.099 R)
• M7: 4,113,941 km (0.05 R)
• M8: 5,355,454 km (0.048 R)
• M9: 6,312,581 km (0.109 R)
• M10: 6,743,573 km (0.1 R)
• M11: 7,317,729 km (0.117 R)
• M12: 9,606,876 km (0.103 R)
• M13: 10,334,670 km (0.056 R)
• M14: 10,772,543 km (0.04 R)
• M15: 11,771,108 km (0.059 R)
• M16: 12,293,055 km (0.118 R)
• M17: 12,830,411 km (0.073 R)
• M18: 14,487,656 km (0.095 R)
• M19: 14,986,266 km (0.064 R)
• M20: 15,548,006 km (0.032 R)
• M21: 16,283,130 km (0.089 R)
• M22: 16,877,033 km (0.111 R)
• M23: 18,862,796 km (0.119 R)
• M24: 19,820,671 km (0.089 R)
• M25: 21,063,081 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.5

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.65 AU - 5.09 AU

Year: 5993 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,089,283 km

• M1: 151,692 km (0.1 R)
• M2: 630,256 km (0.107 R)
• M3: 1,048,232 km (0.117 R)
• M4: 1,443,171 km (0.09 R)
• M5: 2,046,050 km (0.116 R)
• M6: 2,930,622 km (0.086 R)
• M7: 4,005,034 km (0.095 R)
• M8: 4,633,046 km (0.107 R)
• M9: 8,807,874 km (0.086 R)
• M10: 10,970,610 km (0.06 R)
• M11: 14,278,070 km (0.058 R)
• M12: 14,756,334 km (0.081 R)
• M13: 15,556,084 km (0.094 R)
• M14: 16,975,170 km (0.096 R)
• M15: 17,716,277 km (0.11 R)
• M16: 18,549,238 km (0.057 R)
• M17: 22,624,135 km (0.035 R)
• M18: 23,439,294 km (0.068 R)
• M19: 26,268,638 km (0.102 R)
• M20: 26,896,800 km (0.072 R)
• M21: 28,090,142 km (0.118 R)
• M22: 31,177,393 km (0.109 R)
• M23: 32,802,923 km (0.105 R)
• M24: 34,270,927 km (0.079 R)
• M25: 34,805,740 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 8.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.12 AU - 6.5 AU

Year: 9187 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,089,283 km

• M1: 106,065 km (0.067 R)
• M2: 832,512 km (0.054 R)
• M3: 2,516,835 km (0.077 R)
• M4: 3,292,799 km (0.105 R)
• M5: 5,869,622 km (0.109 R)
• M6: 6,181,534 km (0.115 R)
• M7: 9,183,065 km (0.11 R)
• M8: 12,634,438 km (0.039 R)
• M9: 17,999,765 km (0.089 R)
• M10: 18,808,641 km (0.1 R)
• M11: 21,137,880 km (0.119 R)
• M12: 24,178,756 km (0.119 R)
• M13: 25,253,916 km (0.092 R)
• M14: 30,799,509 km (0.04 R)
• M15: 31,531,940 km (0.1 R)
• M16: 35,942,235 km (0.092 R)
• M17: 36,520,879 km (0.111 R)
• M18: 39,507,750 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 13,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit