🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.6

Radius: 12.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.75 AU - 0.93 AU

Year: 522 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,817,197 km

• M1: 150,495 km (0.052 R)
• M2: 546,032 km (0.1 R)
• M3: 958,474 km (0.09 R)
• M4: 1,497,175 km (0.085 R)
• M5: 2,596,421 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 10.9

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,817,197 km

• M1: 137,480 km (0.116 R)
• M2: 648,656 km (0.05 R)
• M3: 1,152,352 km (0.082 R)
• M4: 1,590,674 km (0.113 R)
• M5: 2,329,987 km (0.099 R)
• M6: 2,812,290 km (0.093 R)
• M7: 3,593,640 km (0.082 R)
• M8: 4,035,851 km (0.1 R)
• M9: 4,946,902 km (0.117 R)
• M10: 5,952,200 km (0.098 R)
• M11: 6,453,802 km (0.116 R)
• M12: 6,817,474 km (0.12 R)
• M13: 7,259,087 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 11.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.03 AU - 1.21 AU

Year: 804 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,817,197 km

• M1: 138,079 km (0.07 R)
• M2: 522,994 km (0.077 R)
• M3: 872,754 km (0.06 R)
• M4: 1,553,125 km (0.068 R)
• M5: 1,917,845 km (0.111 R)
• M6: 2,278,974 km (0.071 R)
• M7: 2,637,111 km (0.08 R)
• M8: 3,065,260 km (0.081 R)
• M9: 3,696,264 km (0.033 R)
• M10: 4,329,662 km (0.072 R)
• M11: 4,752,276 km (0.117 R)
• M12: 5,390,310 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 13.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.33 AU - 1.75 AU

Year: 1296 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,817,197 km

• M1: 167,998 km (0.108 R)
• M2: 591,211 km (0.107 R)
• M3: 1,189,752 km (0.048 R)
• M4: 1,736,981 km (0.119 R)
• M5: 3,192,568 km (0.098 R)
• M6: 3,616,977 km (0.116 R)
• M7: 4,183,355 km (0.105 R)
• M8: 4,637,085 km (0.097 R)
• M9: 5,974,191 km (0.096 R)
• M10: 6,457,242 km (0.112 R)
• M11: 7,091,388 km (0.063 R)
• M12: 7,874,533 km (0.094 R)
• M13: 8,399,771 km (0.119 R)
• M14: 8,830,912 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 10.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.2 AU - 4.68 AU

Year: 6345 Days

Day: 7.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,817,197 km

• M1: 134,339 km (0.108 R)
• M2: 1,678,039 km (0.12 R)
• M3: 2,987,170 km (0.072 R)
• M4: 3,673,077 km (0.118 R)
• M5: 7,136,716 km (0.117 R)
• M6: 11,726,379 km (0.115 R)
• M7: 13,324,982 km (0.083 R)
• M8: 16,890,198 km (0.073 R)
• M9: 18,353,564 km (0.108 R)
• M10: 20,232,364 km (0.105 R)
• M11: 21,461,161 km (0.076 R)
• M12: 23,029,695 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.1

Radius: 6.8

Gravity: 20.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 10.1 AU - 11.1 AU

Year: 23407 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,817,197 km

• M1: 104,868 km (0.048 R)
• M2: 468,241 km (0.1 R)
• M3: 915,539 km (0.08 R)
• M4: 1,316,012 km (0.1 R)
• M5: 2,141,194 km (0.095 R)
• M6: 2,875,570 km (0.057 R)
• M7: 3,898,371 km (0.104 R)
• M8: 5,025,142 km (0.068 R)
• M9: 6,927,129 km (0.071 R)
• M10: 8,396,330 km (0.079 R)
• M11: 9,263,399 km (0.094 R)
• M12: 9,873,759 km (0.105 R)
• M13: 15,672,023 km (0.064 R)
• M14: 17,162,466 km (0.11 R)
• M15: 24,759,644 km (0.096 R)
• M16: 44,544,561 km (0.043 R)
• M17: 46,101,426 km (0.071 R)
• M18: 46,804,835 km (0.026 R)
• M19: 54,237,306 km (0.083 R)
• M20: 73,754,593 km (0.108 R)
• M21: 77,900,548 km (0.11 R)
• M22: 92,653,142 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.7

Radius: 3.8

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.58 AU - 11.76 AU

Year: 23639 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,817,197 km

• M1: 47,871 km (0.096 R)
• M2: 171,589 km (0.047 R)
• M3: 306,376 km (0.07 R)
• M4: 484,697 km (0.051 R)
• M5: 720,763 km (0.06 R)
• M6: 933,192 km (0.087 R)
• M7: 1,666,670 km (0.117 R)
• M8: 1,791,135 km (0.069 R)
• M9: 2,533,141 km (0.101 R)
• M10: 2,795,835 km (0.062 R)
• M11: 3,347,701 km (0.111 R)
• M12: 4,804,036 km (0.1 R)
• M13: 5,131,506 km (0.094 R)
• M14: 6,769,603 km (0.113 R)
• M15: 7,042,021 km (0.095 R)
• M16: 8,779,450 km (0.09 R)
• M17: 10,360,101 km (0.092 R)
• M18: 11,534,744 km (0.092 R)
• M19: 13,708,999 km (0.087 R)
• M20: 14,515,182 km (0.056 R)
• M21: 14,968,165 km (0.063 R)
• M22: 18,846,789 km (0.103 R)
• M23: 22,533,927 km (0.079 R)
• M24: 22,835,965 km (0.034 R)
• M25: 23,345,346 km (0.094 R)
• M26: 23,862,356 km (0.089 R)
• M27: 24,598,827 km (0.098 R)
• M28: 24,812,004 km (0.03 R)
• M29: 26,786,396 km (0.096 R)
• M30: 40,129,330 km (0.107 R)
• M31: 41,620,970 km (0.119 R)
• M32: 41,772,213 km (0.036 R)
• M33: 44,873,228 km (0.102 R)
• M34: 55,090,164 km (0.098 R)
• M35: 56,189,708 km (0.077 R)
• M36: 56,745,016 km (0.11 R)
• M37: 62,302,277 km (0.096 R)
• M38: 71,626,114 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit