🌌 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: 221.7

Radius: 14.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,685,162 km

• M1: 175,478 km (0.083 R)
• M2: 648,956 km (0.114 R)
• M3: 1,128,118 km (0.11 R)
• M4: 1,652,907 km (0.051 R)
• M5: 2,212,104 km (0.066 R)
• M6: 3,101,463 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 12.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.37 AU - 1.79 AU

Year: 1324 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,685,162 km

• M1: 155,432 km (0.082 R)
• M2: 590,612 km (0.111 R)
• M3: 1,510,938 km (0.109 R)
• M4: 1,960,630 km (0.113 R)
• M5: 2,439,492 km (0.09 R)
• M6: 2,913,867 km (0.05 R)
• M7: 3,526,919 km (0.046 R)
• M8: 5,463,464 km (0.095 R)
• M9: 6,494,044 km (0.093 R)
• M10: 7,310,100 km (0.056 R)
• M11: 8,137,975 km (0.091 R)
• M12: 8,968,093 km (0.099 R)
• M13: 10,334,371 km (0.12 R)
• M14: 11,763,778 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 14

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.47 AU - 1.79 AU

Year: 1388 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,685,162 km

• M1: 176,525 km (0.073 R)
• M2: 612,902 km (0.109 R)
• M3: 1,259,315 km (0.098 R)
• M4: 2,182,184 km (0.073 R)
• M5: 2,626,041 km (0.113 R)
• M6: 3,145,744 km (0.109 R)
• M7: 4,510,226 km (0.118 R)
• M8: 5,501,162 km (0.091 R)
• M9: 6,607,439 km (0.056 R)
• M10: 7,334,036 km (0.06 R)
• M11: 8,375,536 km (0.069 R)
• M12: 10,136,453 km (0.111 R)
• M13: 11,283,569 km (0.084 R)
• M14: 11,758,542 km (0.066 R)
• M15: 12,592,999 km (0.117 R)
• M16: 13,835,260 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 8.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.8 AU - 2.92 AU

Year: 2418 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,685,162 km

• M1: 109,506 km (0.099 R)
• M2: 405,859 km (0.066 R)
• M3: 698,921 km (0.094 R)
• M4: 1,972,897 km (0.042 R)
• M5: 3,495,504 km (0.1 R)
• M6: 4,297,199 km (0.101 R)
• M7: 5,578,355 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 8.3

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.98 AU - 3.3 AU

Year: 2860 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,685,162 km

• M1: 108,159 km (0.112 R)
• M2: 492,626 km (0.064 R)
• M3: 808,726 km (0.085 R)
• M4: 1,234,930 km (0.117 R)
• M5: 1,874,910 km (0.076 R)
• M6: 2,427,525 km (0.095 R)
• M7: 3,287,712 km (0.086 R)
• M8: 3,572,696 km (0.077 R)
• M9: 4,572,010 km (0.062 R)
• M10: 5,521,657 km (0.094 R)
• M11: 7,651,632 km (0.094 R)
• M12: 7,995,109 km (0.093 R)
• M13: 8,916,183 km (0.067 R)
• M14: 9,833,367 km (0.09 R)
• M15: 11,165,387 km (0.044 R)
• M16: 11,730,418 km (0.098 R)
• M17: 12,061,927 km (0.091 R)
• M18: 12,743,495 km (0.101 R)
• M19: 14,276,723 km (0.078 R)
• M20: 17,223,053 km (0.046 R)
• M21: 18,252,137 km (0.04 R)
• M22: 18,753,589 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 10.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.13 AU - 4.91 AU

Year: 6408 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,685,162 km

• M1: 125,812 km (0.027 R)
• M2: 450,290 km (0.099 R)
• M3: 1,080,246 km (0.055 R)
• M4: 2,377,409 km (0.077 R)
• M5: 2,966,077 km (0.065 R)
• M6: 3,368,495 km (0.113 R)
• M7: 3,761,638 km (0.113 R)
• M8: 6,733,999 km (0.114 R)
• M9: 7,360,814 km (0.096 R)
• M10: 8,179,114 km (0.085 R)
• M11: 9,265,045 km (0.039 R)
• M12: 10,673,210 km (0.1 R)
• M13: 11,574,238 km (0.109 R)
• M14: 12,993,173 km (0.11 R)
• M15: 17,553,515 km (0.117 R)
• M16: 21,492,576 km (0.072 R)
• M17: 22,619,497 km (0.115 R)
• M18: 23,392,469 km (0.091 R)
• M19: 25,650,500 km (0.113 R)
• M20: 28,851,894 km (0.101 R)
• M21: 31,924,036 km (0.069 R)
• M22: 32,505,074 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 14.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.53 AU - 5.71 AU

Year: 8885 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,685,162 km

• M1: 179,069 km (0.057 R)
• M2: 629,508 km (0.085 R)
• M3: 1,600,996 km (0.049 R)
• M4: 2,588,492 km (0.1 R)
• M5: 3,114,179 km (0.12 R)
• M6: 5,438,631 km (0.119 R)
• M7: 9,092,259 km (0.09 R)
• M8: 9,715,933 km (0.119 R)
• M9: 10,656,455 km (0.074 R)
• M10: 12,393,735 km (0.045 R)
• M11: 16,554,201 km (0.1 R)
• M12: 19,820,371 km (0.088 R)
• M13: 21,024,036 km (0.098 R)
• M14: 21,643,970 km (0.102 R)
• M15: 24,162,001 km (0.113 R)
• M16: 24,671,082 km (0.113 R)
• M17: 27,784,813 km (0.06 R)
• M18: 30,457,528 km (0.114 R)
• M19: 32,468,871 km (0.073 R)
• M20: 33,089,104 km (0.045 R)
• M21: 34,567,131 km (0.073 R)
• M22: 36,088,841 km (0.082 R)
• M23: 37,090,398 km (0.05 R)
• M24: 37,996,214 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 12,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit