🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 13.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.61 AU - 0.81 AU

Year: 406 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,143,301 km

• M1: 169,494 km (0.09 R)
• M2: 655,388 km (0.06 R)
• M3: 1,307,186 km (0.116 R)
• M4: 1,859,202 km (0.039 R)
• M5: 3,035,042 km (0.104 R)
• M6: 3,518,991 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 9.7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.93 AU - 0.97 AU

Year: 628 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,143,301 km

• M1: 120,725 km (0.12 R)
• M2: 427,551 km (0.092 R)
• M3: 813,214 km (0.116 R)
• M4: 1,228,947 km (0.113 R)
• M5: 1,887,925 km (0.065 R)
• M6: 2,426,627 km (0.115 R)
• M7: 2,931,071 km (0.086 R)
• M8: 3,572,547 km (0.067 R)
• M9: 4,414,783 km (0.087 R)
• M10: 4,908,605 km (0.096 R)
• M11: 5,736,929 km (0.058 R)
• M12: 6,164,779 km (0.109 R)
• M13: 7,554,692 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 12.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.94 AU - 1.5 AU

Year: 914 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,143,301 km

• M1: 155,731 km (0.118 R)
• M2: 652,995 km (0.041 R)
• M3: 1,105,827 km (0.111 R)
• M4: 1,714,392 km (0.095 R)
• M5: 2,171,114 km (0.077 R)
• M6: 2,900,104 km (0.1 R)
• M7: 3,698,957 km (0.057 R)
• M8: 4,245,588 km (0.099 R)
• M9: 4,845,774 km (0.04 R)
• M10: 5,501,910 km (0.112 R)
• M11: 5,911,509 km (0.047 R)
• M12: 7,287,660 km (0.078 R)
• M13: 8,125,408 km (0.093 R)
• M14: 8,580,784 km (0.027 R)
• M15: 9,053,065 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 12.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.26 AU - 1.48 AU

Year: 1088 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,143,301 km

• M1: 156,779 km (0.095 R)
• M2: 560,543 km (0.062 R)
• M3: 1,193,193 km (0.118 R)
• M4: 1,616,854 km (0.101 R)
• M5: 2,386,086 km (0.088 R)
• M6: 2,905,939 km (0.063 R)
• M7: 3,529,911 km (0.115 R)
• M8: 4,079,235 km (0.118 R)
• M9: 5,216,328 km (0.107 R)
• M10: 6,078,012 km (0.099 R)
• M11: 6,510,051 km (0.113 R)
• M12: 7,032,297 km (0.103 R)
• M13: 7,705,786 km (0.041 R)
• M14: 8,421,762 km (0.112 R)
• M15: 9,015,067 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 13.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.42 AU - 1.66 AU

Year: 1296 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,143,301 km

• M1: 164,258 km (0.087 R)
• M2: 652,097 km (0.116 R)
• M3: 1,146,219 km (0.094 R)
• M4: 1,692,550 km (0.106 R)
• M5: 2,125,487 km (0.069 R)
• M6: 2,842,659 km (0.054 R)
• M7: 3,540,832 km (0.068 R)
• M8: 4,102,572 km (0.074 R)
• M9: 4,553,161 km (0.112 R)
• M10: 5,281,104 km (0.094 R)
• M11: 6,363,295 km (0.102 R)
• M12: 6,944,782 km (0.118 R)

Asteroid Belt

Center: 2.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 9.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.09 AU - 3.97 AU

Year: 4498 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,143,301 km

• M1: 120,576 km (0.107 R)
• M2: 515,065 km (0.074 R)
• M3: 909,555 km (0.08 R)
• M4: 1,273,975 km (0.097 R)
• M5: 1,589,328 km (0.094 R)
• M6: 1,924,726 km (0.112 R)
• M7: 2,825,754 km (0.093 R)
• M8: 3,501,937 km (0.101 R)
• M9: 3,878,474 km (0.091 R)
• M10: 9,411,651 km (0.119 R)
• M11: 11,946,138 km (0.082 R)
• M12: 14,208,357 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 10.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.1 AU - 6.78 AU

Year: 8606 Days

Day: 6.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,143,301 km

• M1: 128,355 km (0.086 R)
• M2: 564,433 km (0.077 R)
• M3: 971,638 km (0.112 R)
• M4: 1,444,367 km (0.076 R)
• M5: 2,416,006 km (0.081 R)
• M6: 3,234,456 km (0.035 R)
• M7: 3,641,063 km (0.11 R)
• M8: 4,557,499 km (0.111 R)
• M9: 4,986,695 km (0.117 R)
• M10: 5,531,381 km (0.088 R)
• M11: 6,808,049 km (0.082 R)
• M12: 7,589,100 km (0.098 R)
• M13: 9,328,923 km (0.05 R)
• M14: 11,080,714 km (0.114 R)
• M15: 11,710,521 km (0.066 R)
• M16: 13,909,760 km (0.091 R)
• M17: 14,301,257 km (0.086 R)
• M18: 21,022,390 km (0.089 R)
• M19: 21,837,250 km (0.096 R)
• M20: 22,827,289 km (0.074 R)
• M21: 26,915,649 km (0.088 R)
• M22: 31,180,834 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.8

Radius: 5.2

Gravity: 31.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.51 AU - 8.57 AU

Year: 14043 Days

Day: 17.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,143,301 km

• M1: 64,776 km (0.101 R)
• M2: 328,816 km (0.077 R)
• M3: 769,980 km (0.027 R)
• M4: 1,084,136 km (0.111 R)
• M5: 1,930,112 km (0.112 R)
• M6: 2,157,500 km (0.117 R)
• M7: 3,546,816 km (0.077 R)
• M8: 3,772,559 km (0.11 R)
• M9: 4,160,018 km (0.063 R)
• M10: 4,540,595 km (0.064 R)
• M11: 5,408,113 km (0.086 R)
• M12: 5,745,905 km (0.115 R)
• M13: 9,129,808 km (0.096 R)
• M14: 14,915,357 km (0.047 R)
• M15: 15,804,716 km (0.099 R)
• M16: 17,204,204 km (0.104 R)
• M17: 19,629,335 km (0.111 R)
• M18: 21,060,388 km (0.085 R)
• M19: 28,815,093 km (0.105 R)
• M20: 32,581,219 km (0.096 R)
• M21: 33,947,946 km (0.115 R)
• M22: 47,378,094 km (0.107 R)
• M23: 52,089,829 km (0.101 R)
• M24: 53,613,334 km (0.095 R)
• M25: 58,361,421 km (0.087 R)
• M26: 61,490,260 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.1

Radius: 4.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.76 AU - 12.44 AU

Year: 23407 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,143,301 km

• M1: 51,162 km (0.111 R)
• M2: 191,485 km (0.089 R)
• M3: 909,256 km (0.096 R)
• M4: 1,898,995 km (0.106 R)
• M5: 4,760,354 km (0.087 R)
• M6: 5,242,657 km (0.083 R)
• M7: 11,368,391 km (0.096 R)
• M8: 12,422,757 km (0.095 R)
• M9: 14,285,998 km (0.061 R)
• M10: 15,799,929 km (0.048 R)
• M11: 18,879,999 km (0.037 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 17,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit