🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 12

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.6 AU - 0.72 AU

Year: 364 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,230,088 km

• M1: 149,299 km (0.115 R)
• M2: 578,345 km (0.084 R)
• M3: 1,186,760 km (0.12 R)
• M4: 1,709,455 km (0.112 R)
• M5: 2,151,517 km (0.1 R)
• M6: 2,735,846 km (0.079 R)
• M7: 3,186,135 km (0.057 R)
• M8: 4,010,270 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 12.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 5 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,230,088 km

• M1: 153,039 km (0.109 R)
• M2: 614,548 km (0.112 R)
• M3: 1,242,710 km (0.074 R)
• M4: 1,724,714 km (0.094 R)
• M5: 2,296,627 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 8.2

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.14 AU

Year: 658 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,230,088 km

• M1: 102,026 km (0.091 R)
• M2: 378,931 km (0.098 R)
• M3: 665,411 km (0.064 R)
• M4: 979,866 km (0.096 R)
• M5: 1,662,631 km (0.07 R)
• M6: 1,939,088 km (0.09 R)
• M7: 2,276,730 km (0.095 R)
• M8: 2,935,260 km (0.115 R)
• M9: 3,315,986 km (0.035 R)
• M10: 3,918,866 km (0.103 R)
• M11: 4,897,086 km (0.069 R)
• M12: 5,433,993 km (0.091 R)
• M13: 5,852,269 km (0.115 R)
• M14: 6,129,474 km (0.115 R)
• M15: 7,169,777 km (0.05 R)
• M16: 7,441,596 km (0.087 R)
• M17: 7,957,859 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 10.2

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.26 AU - 1.64 AU

Year: 1184 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,230,088 km

• M1: 130,001 km (0.113 R)
• M2: 513,719 km (0.081 R)
• M3: 842,535 km (0.077 R)
• M4: 1,299,258 km (0.093 R)
• M5: 1,676,244 km (0.091 R)
• M6: 2,241,275 km (0.051 R)
• M7: 2,645,190 km (0.057 R)
• M8: 2,976,698 km (0.078 R)
• M9: 3,349,048 km (0.091 R)
• M10: 3,683,100 km (0.085 R)
• M11: 4,113,493 km (0.102 R)
• M12: 4,450,237 km (0.119 R)
• M13: 4,989,987 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.6

Radius: 4.3

Gravity: 38.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.3 AU - 6.74 AU

Year: 11292 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 146.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,230,088 km

• M1: 53,706 km (0.116 R)
• M2: 295,007 km (0.116 R)
• M3: 556,654 km (0.116 R)
• M4: 830,119 km (0.102 R)
• M5: 1,341,444 km (0.083 R)
• M6: 1,611,468 km (0.052 R)
• M7: 2,416,006 km (0.108 R)
• M8: 3,043,718 km (0.089 R)
• M9: 3,993,964 km (0.098 R)
• M10: 5,093,658 km (0.084 R)
• M11: 5,784,800 km (0.077 R)
• M12: 6,497,335 km (0.048 R)
• M13: 7,521,631 km (0.068 R)
• M14: 7,695,015 km (0.104 R)
• M15: 9,477,324 km (0.111 R)
• M16: 10,197,937 km (0.107 R)
• M17: 12,517,751 km (0.043 R)
• M18: 13,447,652 km (0.081 R)
• M19: 15,513,449 km (0.112 R)
• M20: 15,723,933 km (0.105 R)
• M21: 15,865,303 km (0.113 R)
• M22: 17,934,840 km (0.106 R)
• M23: 18,557,765 km (0.083 R)
• M24: 20,851,250 km (0.075 R)
• M25: 22,961,628 km (0.098 R)
• M26: 25,017,551 km (0.05 R)
• M27: 27,601,555 km (0.101 R)
• M28: 28,014,296 km (0.082 R)
• M29: 29,706,248 km (0.043 R)
• M30: 30,687,310 km (0.043 R)
• M31: 35,674,155 km (0.095 R)
• M32: 36,040,969 km (0.118 R)
• M33: 37,786,029 km (0.066 R)
• M34: 39,066,437 km (0.059 R)
• M35: 40,907,239 km (0.084 R)
• M36: 46,921,223 km (0.097 R)
• M37: 52,388,127 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.9

Radius: 6.4

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.23 AU - 7.35 AU

Year: 12000 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,230,088 km

• M1: 83,775 km (0.097 R)
• M2: 309,518 km (0.038 R)
• M3: 719,117 km (0.089 R)
• M4: 1,032,674 km (0.116 R)
• M5: 1,672,803 km (0.107 R)
• M6: 2,097,512 km (0.118 R)
• M7: 2,405,384 km (0.088 R)
• M8: 3,017,090 km (0.109 R)
• M9: 3,513,904 km (0.037 R)
• M10: 4,121,870 km (0.106 R)
• M11: 4,359,731 km (0.074 R)
• M12: 4,701,562 km (0.048 R)
• M13: 4,994,325 km (0.062 R)
• M14: 9,119,187 km (0.089 R)
• M15: 11,967,082 km (0.087 R)
• M16: 13,657,089 km (0.093 R)
• M17: 15,428,926 km (0.093 R)
• M18: 16,076,386 km (0.093 R)
• M19: 17,657,336 km (0.059 R)
• M20: 18,848,135 km (0.031 R)
• M21: 21,037,649 km (0.079 R)
• M22: 21,923,119 km (0.06 R)
• M23: 23,862,955 km (0.085 R)
• M24: 26,318,005 km (0.106 R)
• M25: 27,554,282 km (0.053 R)
• M26: 29,262,091 km (0.093 R)
• M27: 31,266,254 km (0.106 R)
• M28: 33,004,881 km (0.064 R)
• M29: 37,438,662 km (0.063 R)
• M30: 37,695,971 km (0.031 R)
• M31: 39,931,412 km (0.084 R)
• M32: 41,699,359 km (0.054 R)
• M33: 43,376,950 km (0.091 R)
• M34: 47,165,217 km (0.076 R)
• M35: 51,326,581 km (0.114 R)
• M36: 51,644,327 km (0.105 R)
• M37: 55,059,197 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit