🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.1

Radius: 10.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.95 AU - 1.05 AU

Year: 690 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,371,178 km

• M1: 129,402 km (0.087 R)
• M2: 501,901 km (0.043 R)
• M3: 875,896 km (0.093 R)
• M4: 1,205,160 km (0.086 R)
• M5: 1,532,331 km (0.106 R)
• M6: 2,031,689 km (0.083 R)
• M7: 2,426,627 km (0.112 R)
• M8: 2,860,610 km (0.049 R)
• M9: 3,279,185 km (0.086 R)
• M10: 3,651,834 km (0.077 R)
• M11: 4,224,494 km (0.102 R)
• M12: 4,803,887 km (0.067 R)
• M13: 5,249,688 km (0.099 R)
• M14: 5,722,867 km (0.082 R)
• M15: 6,975,599 km (0.113 R)
• M16: 7,431,424 km (0.109 R)
• M17: 8,377,481 km (0.057 R)
• M18: 8,736,067 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 10.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.23 AU - 1.35 AU

Year: 1011 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,371,178 km

• M1: 134,788 km (0.107 R)
• M2: 576,550 km (0.117 R)
• M3: 1,008,140 km (0.117 R)
• M4: 1,918,144 km (0.084 R)
• M5: 2,387,133 km (0.117 R)
• M6: 2,785,064 km (0.077 R)
• M7: 4,567,971 km (0.107 R)
• M8: 7,079,420 km (0.082 R)
• M9: 7,737,351 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 9.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.91 AU - 4.35 AU

Year: 4774 Days

Day: 8.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,371,178 km

• M1: 118,930 km (0.086 R)
• M2: 505,042 km (0.087 R)
• M3: 866,920 km (0.039 R)
• M4: 1,159,234 km (0.093 R)
• M5: 2,265,660 km (0.077 R)
• M6: 2,851,485 km (0.059 R)
• M7: 5,225,902 km (0.101 R)
• M8: 5,809,185 km (0.102 R)
• M9: 6,792,940 km (0.114 R)
• M10: 7,192,815 km (0.078 R)
• M11: 8,325,869 km (0.072 R)
• M12: 8,884,618 km (0.065 R)
• M13: 11,215,053 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 14.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.41 AU - 3.87 AU

Year: 4794 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,371,178 km

• M1: 183,407 km (0.12 R)
• M2: 734,376 km (0.119 R)
• M3: 1,273,527 km (0.099 R)
• M4: 2,175,602 km (0.088 R)
• M5: 5,837,459 km (0.096 R)
• M6: 7,709,077 km (0.091 R)
• M7: 9,088,968 km (0.08 R)
• M8: 9,799,708 km (0.067 R)
• M9: 10,955,800 km (0.076 R)
• M10: 12,334,943 km (0.079 R)
• M11: 14,466,563 km (0.11 R)
• M12: 15,911,080 km (0.106 R)
• M13: 16,395,328 km (0.09 R)
• M14: 20,378,521 km (0.09 R)
• M15: 21,207,593 km (0.067 R)
• M16: 22,729,302 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 9.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.28 AU - 4.46 AU

Year: 5255 Days

Day: 11.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,371,178 km

• M1: 158,873 km (0.094 R)
• M2: 514,317 km (0.025 R)
• M3: 1,036,414 km (0.043 R)
• M4: 1,450,202 km (0.114 R)
• M5: 2,112,023 km (0.053 R)
• M6: 2,754,845 km (0.116 R)
• M7: 3,654,078 km (0.08 R)
• M8: 3,967,186 km (0.115 R)
• M9: 5,428,308 km (0.087 R)
• M10: 5,863,638 km (0.106 R)
• M11: 6,745,966 km (0.094 R)
• M12: 9,409,556 km (0.036 R)
• M13: 10,114,462 km (0.101 R)
• M14: 11,463,236 km (0.051 R)
• M15: 12,883,518 km (0.112 R)
• M16: 14,273,133 km (0.078 R)
• M17: 15,054,034 km (0.112 R)
• M18: 15,658,110 km (0.048 R)
• M19: 16,700,657 km (0.114 R)
• M20: 17,733,332 km (0.094 R)
• M21: 18,407,270 km (0.104 R)
• M22: 18,981,726 km (0.106 R)

Asteroid Belt

Center: 5.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 5.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.49 AU - 8.01 AU

Year: 12105 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 142.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,371,178 km

• M1: 63,579 km (0.095 R)
• M2: 367,562 km (0.094 R)
• M3: 677,978 km (0.09 R)
• M4: 1,194,389 km (0.043 R)
• M5: 1,711,699 km (0.084 R)
• M6: 2,020,918 km (0.11 R)
• M7: 2,873,925 km (0.104 R)
• M8: 3,545,918 km (0.075 R)
• M9: 4,427,947 km (0.08 R)
• M10: 5,383,728 km (0.046 R)
• M11: 6,012,189 km (0.044 R)
• M12: 7,653,726 km (0.099 R)
• M13: 8,022,934 km (0.064 R)
• M14: 9,201,915 km (0.079 R)
• M15: 11,258,437 km (0.119 R)
• M16: 11,735,953 km (0.078 R)
• M17: 13,017,259 km (0.112 R)
• M18: 14,575,021 km (0.065 R)
• M19: 14,762,318 km (0.116 R)
• M20: 19,378,310 km (0.066 R)
• M21: 20,373,136 km (0.097 R)
• M22: 20,686,094 km (0.092 R)
• M23: 21,081,631 km (0.114 R)
• M24: 21,887,814 km (0.114 R)
• M25: 23,475,945 km (0.079 R)
• M26: 24,517,745 km (0.07 R)
• M27: 24,871,693 km (0.072 R)
• M28: 26,229,443 km (0.102 R)
• M29: 28,406,242 km (0.102 R)
• M30: 31,318,913 km (0.104 R)
• M31: 34,314,012 km (0.101 R)
• M32: 34,645,820 km (0.069 R)
• M33: 36,337,024 km (0.069 R)
• M34: 36,912,826 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit