🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.49 AU - 0.71 AU

Year: 300 Days

Day: 25.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 9.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.03 AU - 1.31 AU

Year: 817 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,716,733 km

• M1: 120,725 km (0.049 R)
• M2: 579,841 km (0.113 R)
• M3: 1,126,472 km (0.08 R)
• M4: 1,478,775 km (0.074 R)
• M5: 1,803,402 km (0.114 R)
• M6: 2,176,200 km (0.106 R)
• M7: 2,687,227 km (0.052 R)
• M8: 3,066,906 km (0.109 R)
• M9: 3,588,703 km (0.049 R)
• M10: 4,154,034 km (0.082 R)
• M11: 4,458,316 km (0.113 R)
• M12: 5,426,364 km (0.063 R)
• M13: 5,903,431 km (0.12 R)
• M14: 6,269,647 km (0.114 R)
• M15: 7,068,948 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 12.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.17 AU - 1.29 AU

Year: 881 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 13,716,733 km

• M1: 151,692 km (0.11 R)
• M2: 691,292 km (0.095 R)
• M3: 1,271,881 km (0.071 R)
• M4: 1,952,252 km (0.113 R)
• M5: 2,964,431 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 11.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.42 AU

Year: 902 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,716,733 km

• M1: 145,708 km (0.049 R)
• M2: 647,310 km (0.036 R)
• M3: 1,398,142 km (0.099 R)
• M4: 1,943,276 km (0.034 R)
• M5: 2,317,570 km (0.108 R)
• M6: 2,987,469 km (0.118 R)
• M7: 3,552,800 km (0.046 R)
• M8: 4,118,878 km (0.102 R)
• M9: 4,729,088 km (0.065 R)
• M10: 5,533,476 km (0.109 R)
• M11: 6,130,970 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 11

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.44 AU - 2.32 AU

Year: 1664 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,716,733 km

• M1: 136,732 km (0.049 R)
• M2: 486,043 km (0.047 R)
• M3: 896,989 km (0.093 R)
• M4: 1,406,070 km (0.115 R)
• M5: 1,834,369 km (0.076 R)
• M6: 2,860,461 km (0.106 R)
• M7: 3,412,776 km (0.089 R)
• M8: 3,859,625 km (0.096 R)
• M9: 4,401,768 km (0.033 R)
• M10: 5,035,614 km (0.096 R)
• M11: 5,418,285 km (0.098 R)
• M12: 6,194,549 km (0.071 R)
• M13: 6,913,815 km (0.116 R)
• M14: 7,360,814 km (0.101 R)
• M15: 9,794,173 km (0.081 R)
• M16: 11,264,420 km (0.111 R)
• M17: 13,034,313 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 8.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.57 AU - 2.37 AU

Year: 1785 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 13,716,733 km

• M1: 103,223 km (0.098 R)
• M2: 691,142 km (0.103 R)
• M3: 1,068,278 km (0.048 R)
• M4: 1,375,253 km (0.055 R)
• M5: 1,783,506 km (0.108 R)
• M6: 2,283,462 km (0.113 R)
• M7: 2,714,005 km (0.062 R)
• M8: 3,181,648 km (0.065 R)
• M9: 3,545,320 km (0.102 R)
• M10: 3,809,211 km (0.093 R)
• M11: 4,680,618 km (0.063 R)
• M12: 4,998,813 km (0.091 R)
• M13: 5,491,738 km (0.098 R)
• M14: 6,866,542 km (0.06 R)
• M15: 7,764,728 km (0.077 R)
• M16: 8,866,367 km (0.114 R)
• M17: 9,521,605 km (0.088 R)
• M18: 10,208,858 km (0.088 R)
• M19: 10,673,060 km (0.065 R)
• M20: 12,550,065 km (0.106 R)
• M21: 12,999,905 km (0.068 R)
• M22: 13,460,368 km (0.095 R)
• M23: 13,931,751 km (0.074 R)
• M24: 14,503,065 km (0.065 R)
• M25: 14,907,577 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 11.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.78 AU - 2.5 AU

Year: 2021 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,716,733 km

• M1: 146,756 km (0.113 R)
• M2: 851,511 km (0.112 R)
• M3: 1,577,809 km (0.108 R)
• M4: 3,818,785 km (0.05 R)
• M5: 6,561,213 km (0.091 R)
• M6: 7,108,741 km (0.057 R)
• M7: 8,000,195 km (0.101 R)
• M8: 8,459,460 km (0.047 R)
• M9: 9,670,006 km (0.119 R)
• M10: 10,603,048 km (0.067 R)
• M11: 11,157,757 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 12.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.52 AU - 3.44 AU

Year: 3322 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,716,733 km

• M1: 159,322 km (0.111 R)
• M2: 559,197 km (0.057 R)
• M3: 1,073,215 km (0.11 R)
• M4: 1,803,552 km (0.09 R)
• M5: 2,246,960 km (0.12 R)
• M6: 2,845,651 km (0.041 R)
• M7: 3,934,274 km (0.103 R)
• M8: 5,177,433 km (0.095 R)
• M9: 6,372,869 km (0.116 R)
• M10: 6,792,940 km (0.098 R)
• M11: 7,417,661 km (0.099 R)
• M12: 8,252,267 km (0.117 R)
• M13: 9,588,476 km (0.048 R)
• M14: 10,409,469 km (0.09 R)
• M15: 11,783,076 km (0.04 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit