🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 11.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 254 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,663,494 km

• M1: 143,016 km (0.104 R)
• M2: 750,084 km (0.094 R)
• M3: 1,171,501 km (0.112 R)
• M4: 1,631,514 km (0.098 R)
• M5: 2,023,311 km (0.112 R)
• M6: 2,420,045 km (0.084 R)
• M7: 2,878,263 km (0.082 R)
• M8: 3,321,372 km (0.105 R)
• M9: 4,198,165 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 8.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,663,494 km

• M1: 102,026 km (0.107 R)
• M2: 421,567 km (0.097 R)
• M3: 709,393 km (0.072 R)
• M4: 1,007,392 km (0.053 R)
• M5: 1,604,437 km (0.082 R)
• M6: 2,180,389 km (0.069 R)
• M7: 2,481,230 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 9.1

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.31 AU - 1.97 AU

Year: 1424 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,663,494 km

• M1: 118,930 km (0.102 R)
• M2: 502,649 km (0.026 R)
• M3: 841,189 km (0.052 R)
• M4: 1,146,069 km (0.051 R)
• M5: 1,454,091 km (0.052 R)
• M6: 1,818,063 km (0.076 R)
• M7: 2,453,255 km (0.094 R)
• M8: 2,773,694 km (0.101 R)
• M9: 3,434,767 km (0.099 R)
• M10: 4,718,616 km (0.058 R)
• M11: 5,797,366 km (0.073 R)
• M12: 6,419,544 km (0.114 R)
• M13: 7,462,839 km (0.096 R)
• M14: 7,967,583 km (0.109 R)
• M15: 8,257,802 km (0.1 R)
• M16: 8,828,668 km (0.037 R)
• M17: 9,329,522 km (0.086 R)
• M18: 9,652,055 km (0.07 R)
• M19: 10,664,832 km (0.083 R)
• M20: 11,233,155 km (0.109 R)
• M21: 12,980,009 km (0.077 R)
• M22: 13,834,811 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876

Radius: 14.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.58 AU - 2.16 AU

Year: 1734 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,663,494 km

• M1: 180,265 km (0.066 R)
• M2: 685,158 km (0.072 R)
• M3: 1,291,179 km (0.088 R)
• M4: 1,862,793 km (0.062 R)
• M5: 2,353,175 km (0.119 R)
• M6: 2,827,998 km (0.116 R)
• M7: 3,500,141 km (0.087 R)
• M8: 4,238,706 km (0.103 R)
• M9: 5,858,851 km (0.093 R)
• M10: 7,176,509 km (0.118 R)
• M11: 8,129,447 km (0.093 R)
• M12: 8,842,281 km (0.109 R)
• M13: 10,146,176 km (0.088 R)
• M14: 12,518,350 km (0.109 R)
• M15: 13,470,241 km (0.087 R)
• M16: 14,248,449 km (0.08 R)
• M17: 14,874,217 km (0.093 R)
• M18: 15,800,078 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 13.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.11 AU - 2.25 AU

Year: 2183 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,663,494 km

• M1: 162,912 km (0.045 R)
• M2: 667,207 km (0.114 R)
• M3: 1,089,671 km (0.051 R)
• M4: 1,808,638 km (0.096 R)
• M5: 2,244,417 km (0.047 R)
• M6: 2,690,966 km (0.094 R)
• M7: 3,421,004 km (0.111 R)
• M8: 4,488,834 km (0.072 R)
• M9: 5,229,493 km (0.108 R)
• M10: 5,894,904 km (0.079 R)
• M11: 7,823,370 km (0.05 R)
• M12: 8,397,676 km (0.071 R)
• M13: 8,965,849 km (0.101 R)
• M14: 9,523,849 km (0.083 R)
• M15: 11,539,830 km (0.045 R)
• M16: 12,033,204 km (0.079 R)
• M17: 13,283,992 km (0.114 R)
• M18: 13,964,064 km (0.037 R)
• M19: 14,667,323 km (0.06 R)
• M20: 15,197,797 km (0.114 R)
• M21: 16,348,803 km (0.119 R)
• M22: 17,077,345 km (0.098 R)
• M23: 17,503,250 km (0.104 R)
• M24: 18,543,404 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 8.3

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.12 AU - 2.64 AU

Year: 2490 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,663,494 km

• M1: 103,223 km (0.101 R)
• M2: 632,350 km (0.113 R)
• M3: 1,207,704 km (0.095 R)
• M4: 1,583,194 km (0.103 R)
• M5: 2,108,732 km (0.098 R)
• M6: 2,912,072 km (0.101 R)
• M7: 3,452,868 km (0.063 R)
• M8: 4,255,910 km (0.056 R)
• M9: 4,908,157 km (0.071 R)
• M10: 5,363,383 km (0.095 R)
• M11: 5,896,250 km (0.081 R)
• M12: 6,227,460 km (0.074 R)
• M13: 6,517,381 km (0.116 R)
• M14: 7,039,477 km (0.056 R)
• M15: 7,618,870 km (0.107 R)
• M16: 8,708,690 km (0.075 R)
• M17: 9,970,249 km (0.108 R)
• M18: 10,478,134 km (0.117 R)
• M19: 10,889,079 km (0.113 R)
• M20: 11,310,646 km (0.103 R)
• M21: 12,767,281 km (0.085 R)
• M22: 13,540,702 km (0.116 R)
• M23: 14,028,540 km (0.105 R)
• M24: 15,275,588 km (0.073 R)
• M25: 15,658,858 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 12.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.46 AU - 2.82 AU

Year: 2909 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,663,494 km

• M1: 166,802 km (0.112 R)
• M2: 690,095 km (0.047 R)
• M3: 1,116,449 km (0.114 R)
• M4: 1,734,887 km (0.083 R)
• M5: 2,161,839 km (0.117 R)
• M6: 2,732,405 km (0.113 R)
• M7: 3,283,075 km (0.108 R)
• M8: 4,258,303 km (0.098 R)
• M9: 4,651,895 km (0.089 R)
• M10: 5,370,115 km (0.11 R)
• M11: 6,083,846 km (0.079 R)
• M12: 7,432,770 km (0.079 R)
• M13: 7,913,877 km (0.111 R)
• M14: 8,576,745 km (0.115 R)
• M15: 9,941,975 km (0.118 R)
• M16: 10,452,553 km (0.025 R)
• M17: 10,904,039 km (0.082 R)
• M18: 11,407,885 km (0.104 R)
• M19: 11,846,207 km (0.085 R)
• M20: 12,587,913 km (0.055 R)
• M21: 13,892,705 km (0.063 R)
• M22: 16,566,468 km (0.053 R)
• M23: 17,441,915 km (0.031 R)
• M24: 17,864,379 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.6

Radius: 7

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.73 AU - 8.63 AU

Year: 14436 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,663,494 km

• M1: 135,536 km (0.113 R)
• M2: 392,844 km (0.117 R)
• M3: 773,571 km (0.1 R)
• M4: 1,207,105 km (0.105 R)
• M5: 3,590,050 km (0.092 R)
• M6: 3,935,621 km (0.073 R)
• M7: 10,098,305 km (0.056 R)
• M8: 11,967,530 km (0.105 R)
• M9: 13,293,117 km (0.092 R)
• M10: 14,120,842 km (0.041 R)
• M11: 21,845,927 km (0.106 R)
• M12: 26,692,748 km (0.118 R)
• M13: 30,113,902 km (0.104 R)
• M14: 33,007,125 km (0.114 R)
• M15: 35,115,258 km (0.082 R)
• M16: 35,354,914 km (0.097 R)
• M17: 39,857,361 km (0.076 R)
• M18: 43,199,676 km (0.105 R)
• M19: 43,751,244 km (0.08 R)
• M20: 45,292,102 km (0.052 R)
• M21: 46,291,416 km (0.091 R)
• M22: 50,588,016 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit