🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.1

Radius: 9.9

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.56 AU - 0.88 AU

Year: 407 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 180 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,508,335 km

• M1: 123,119 km (0.117 R)
• M2: 458,966 km (0.058 R)
• M3: 772,972 km (0.037 R)
• M4: 1,180,626 km (0.096 R)
• M5: 1,576,911 km (0.118 R)
• M6: 2,069,986 km (0.111 R)
• M7: 2,842,509 km (0.094 R)
• M8: 3,236,251 km (0.12 R)
• M9: 3,552,201 km (0.059 R)
• M10: 3,902,260 km (0.081 R)
• M11: 4,332,654 km (0.119 R)
• M12: 4,871,954 km (0.12 R)
• M13: 5,239,516 km (0.109 R)
• M14: 5,625,628 km (0.047 R)
• M15: 5,976,734 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 11.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.6 AU - 0.96 AU

Year: 459 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 75,508,335 km

• M1: 146,008 km (0.067 R)
• M2: 891,903 km (0.096 R)
• M3: 1,303,297 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 9.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.79 AU - 1.23 AU

Year: 677 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,508,335 km

• M1: 120,725 km (0.114 R)
• M2: 437,275 km (0.066 R)
• M3: 746,793 km (0.078 R)
• M4: 1,089,222 km (0.098 R)
• M5: 3,618,772 km (0.109 R)
• M6: 3,953,423 km (0.107 R)
• M7: 4,295,254 km (0.066 R)
• M8: 5,206,604 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 14.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.77 AU - 2.87 AU

Year: 2356 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 107 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,508,335 km

• M1: 175,628 km (0.118 R)
• M2: 837,000 km (0.092 R)
• M3: 1,507,498 km (0.09 R)
• M4: 1,956,441 km (0.104 R)
• M5: 4,618,385 km (0.094 R)
• M6: 5,374,752 km (0.046 R)
• M7: 6,083,996 km (0.111 R)
• M8: 6,938,349 km (0.119 R)
• M9: 8,463,799 km (0.109 R)
• M10: 10,348,881 km (0.045 R)
• M11: 10,984,523 km (0.059 R)
• M12: 11,566,907 km (0.07 R)
• M13: 12,921,067 km (0.066 R)
• M14: 15,028,901 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 8.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.36 AU - 6.42 AU

Year: 8345 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,508,335 km

• M1: 108,758 km (0.098 R)
• M2: 414,087 km (0.119 R)
• M3: 690,095 km (0.097 R)
• M4: 1,232,986 km (0.097 R)
• M5: 1,719,927 km (0.115 R)
• M6: 2,112,322 km (0.116 R)
• M7: 2,428,422 km (0.112 R)
• M8: 2,776,088 km (0.12 R)
• M9: 4,487,338 km (0.116 R)
• M10: 4,824,831 km (0.119 R)
• M11: 7,793,451 km (0.073 R)
• M12: 8,320,783 km (0.099 R)
• M13: 10,534,981 km (0.106 R)
• M14: 14,919,096 km (0.11 R)
• M15: 16,089,550 km (0.101 R)
• M16: 18,545,947 km (0.066 R)
• M17: 20,175,966 km (0.06 R)
• M18: 24,825,318 km (0.056 R)
• M19: 28,703,942 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.5

Radius: 4.2

Gravity: 43.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.29 AU - 9.65 AU

Year: 17915 Days

Day: 16.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,508,335 km

• M1: 56,997 km (0.059 R)
• M2: 245,490 km (0.052 R)
• M3: 556,654 km (0.077 R)
• M4: 889,958 km (0.059 R)
• M5: 1,390,063 km (0.095 R)
• M6: 1,959,583 km (0.069 R)
• M7: 2,767,860 km (0.098 R)
• M8: 3,426,539 km (0.054 R)
• M9: 4,055,897 km (0.113 R)
• M10: 4,829,917 km (0.095 R)
• M11: 6,445,873 km (0.096 R)
• M12: 6,798,625 km (0.078 R)
• M13: 7,257,442 km (0.092 R)
• M14: 7,590,596 km (0.111 R)
• M15: 8,236,410 km (0.119 R)
• M16: 10,156,199 km (0.104 R)
• M17: 12,421,859 km (0.094 R)
• M18: 13,529,033 km (0.06 R)
• M19: 16,096,880 km (0.082 R)
• M20: 17,326,276 km (0.056 R)
• M21: 17,920,927 km (0.119 R)
• M22: 19,694,709 km (0.118 R)
• M23: 19,878,415 km (0.09 R)
• M24: 20,435,967 km (0.099 R)
• M25: 21,003,840 km (0.071 R)
• M26: 21,291,667 km (0.056 R)
• M27: 22,270,336 km (0.118 R)
• M28: 27,160,241 km (0.045 R)
• M29: 29,732,876 km (0.082 R)
• M30: 31,202,376 km (0.088 R)
• M31: 35,491,796 km (0.117 R)
• M32: 48,480,332 km (0.081 R)
• M33: 53,664,945 km (0.082 R)
• M34: 56,390,469 km (0.087 R)
• M35: 58,636,232 km (0.08 R)
• M36: 59,016,210 km (0.11 R)
• M37: 61,722,436 km (0.081 R)
• M38: 63,105,917 km (0.118 R)
• M39: 63,905,817 km (0.096 R)
• M40: 64,106,727 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.4

Radius: 7.3

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.82 AU - 9.28 AU

Year: 18155 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,508,335 km

• M1: 90,806 km (0.103 R)
• M2: 325,525 km (0.107 R)
• M3: 583,880 km (0.107 R)
• M4: 972,985 km (0.113 R)
• M5: 1,416,393 km (0.085 R)
• M6: 1,892,413 km (0.091 R)
• M7: 2,403,439 km (0.109 R)
• M8: 2,632,175 km (0.111 R)
• M9: 3,941,904 km (0.094 R)
• M10: 5,175,338 km (0.063 R)
• M11: 5,442,221 km (0.112 R)
• M12: 5,798,862 km (0.108 R)
• M13: 8,855,446 km (0.088 R)
• M14: 9,293,469 km (0.09 R)
• M15: 11,834,837 km (0.108 R)
• M16: 12,098,728 km (0.051 R)
• M17: 15,035,184 km (0.086 R)
• M18: 15,267,061 km (0.094 R)
• M19: 17,633,550 km (0.07 R)
• M20: 19,953,813 km (0.089 R)
• M21: 23,285,208 km (0.085 R)
• M22: 25,299,543 km (0.043 R)
• M23: 30,775,872 km (0.085 R)
• M24: 34,120,582 km (0.081 R)
• M25: 37,557,742 km (0.108 R)
• M26: 37,842,277 km (0.088 R)
• M27: 42,747,592 km (0.078 R)
• M28: 52,544,158 km (0.1 R)
• M29: 54,887,160 km (0.04 R)
• M30: 60,168,264 km (0.041 R)
• M31: 61,145,586 km (0.108 R)
• M32: 62,332,346 km (0.11 R)
• M33: 67,233,322 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 19,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit