🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,096,804 km

• M1: 123,119 km (0.095 R)
• M2: 499,956 km (0.09 R)
• M3: 860,038 km (0.061 R)
• M4: 1,512,434 km (0.066 R)
• M5: 1,979,180 km (0.076 R)
• M6: 2,889,782 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 14.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.53 AU - 1.67 AU

Year: 1373 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 127.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,096,804 km

• M1: 179,069 km (0.095 R)
• M2: 657,931 km (0.094 R)
• M3: 1,280,707 km (0.085 R)
• M4: 1,905,877 km (0.064 R)
• M5: 2,574,879 km (0.103 R)
• M6: 3,820,131 km (0.111 R)
• M7: 4,656,084 km (0.102 R)
• M8: 5,835,065 km (0.091 R)
• M9: 6,717,842 km (0.096 R)
• M10: 9,052,915 km (0.083 R)
• M11: 9,521,007 km (0.063 R)
• M12: 11,164,040 km (0.072 R)
• M13: 13,146,661 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 10.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.26 AU - 2.34 AU

Year: 2366 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,096,804 km

• M1: 149,448 km (0.103 R)
• M2: 884,273 km (0.055 R)
• M3: 2,775,788 km (0.116 R)
• M4: 4,464,449 km (0.11 R)
• M5: 5,730,646 km (0.111 R)
• M6: 6,129,922 km (0.108 R)
• M7: 8,901,971 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.2

Radius: 5.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.82 AU - 5.9 AU

Year: 9621 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,096,804 km

• M1: 71,059 km (0.096 R)
• M2: 256,710 km (0.1 R)
• M3: 971,040 km (0.056 R)
• M4: 1,569,880 km (0.108 R)
• M5: 2,169,020 km (0.071 R)
• M6: 3,099,219 km (0.114 R)
• M7: 3,503,433 km (0.079 R)
• M8: 4,127,405 km (0.086 R)
• M9: 4,981,459 km (0.103 R)
• M10: 5,564,592 km (0.049 R)
• M11: 7,033,194 km (0.103 R)
• M12: 11,303,765 km (0.077 R)
• M13: 11,490,463 km (0.077 R)
• M14: 13,264,694 km (0.025 R)
• M15: 13,629,712 km (0.091 R)
• M16: 15,270,352 km (0.113 R)
• M17: 19,803,916 km (0.071 R)
• M18: 20,007,369 km (0.103 R)
• M19: 22,264,950 km (0.102 R)
• M20: 24,065,660 km (0.102 R)
• M21: 24,765,329 km (0.078 R)
• M22: 26,697,086 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.3

Radius: 5

Gravity: 17.57 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.72 AU - 9.5 AU

Year: 14239 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,096,804 km

• M1: 62,233 km (0.095 R)
• M2: 284,386 km (0.119 R)
• M3: 633,846 km (0.058 R)
• M4: 1,172,847 km (0.12 R)
• M5: 2,080,009 km (0.025 R)
• M6: 4,513,368 km (0.069 R)
• M7: 5,556,963 km (0.053 R)
• M8: 5,769,092 km (0.091 R)
• M9: 8,851,108 km (0.103 R)
• M10: 11,806,563 km (0.092 R)
• M11: 13,953,741 km (0.115 R)
• M12: 21,495,269 km (0.105 R)
• M13: 25,727,692 km (0.095 R)
• M14: 30,812,673 km (0.098 R)
• M15: 31,477,935 km (0.091 R)
• M16: 46,004,786 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.5

Radius: 3.6

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.5 AU - 9.58 AU

Year: 18435 Days

Day: 20.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,096,804 km

• M1: 45,927 km (0.115 R)
• M2: 287,527 km (0.119 R)
• M3: 421,118 km (0.077 R)
• M4: 561,740 km (0.051 R)
• M5: 717,471 km (0.12 R)
• M6: 1,859,202 km (0.097 R)
• M7: 2,172,909 km (0.063 R)
• M8: 2,296,926 km (0.095 R)
• M9: 2,800,173 km (0.09 R)
• M10: 4,543,138 km (0.092 R)
• M11: 5,109,814 km (0.116 R)
• M12: 6,674,309 km (0.107 R)
• M13: 9,484,206 km (0.095 R)
• M14: 11,172,567 km (0.095 R)
• M15: 11,867,898 km (0.102 R)
• M16: 16,180,954 km (0.083 R)
• M17: 18,426,119 km (0.04 R)
• M18: 19,018,228 km (0.108 R)
• M19: 20,950,284 km (0.112 R)
• M20: 21,110,354 km (0.085 R)
• M21: 21,840,392 km (0.07 R)
• M22: 22,336,308 km (0.063 R)
• M23: 24,219,147 km (0.11 R)
• M24: 25,744,597 km (0.088 R)
• M25: 27,619,806 km (0.091 R)
• M26: 31,220,926 km (0.117 R)
• M27: 31,849,985 km (0.065 R)
• M28: 35,689,115 km (0.08 R)
• M29: 41,565,469 km (0.036 R)
• M30: 42,199,016 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit