🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 11.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.63 AU - 0.87 AU

Year: 426 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,969,708 km

• M1: 147,952 km (0.074 R)
• M2: 589,565 km (0.092 R)
• M3: 1,003,353 km (0.118 R)
• M4: 1,435,541 km (0.109 R)
• M5: 2,139,250 km (0.113 R)
• M6: 2,955,755 km (0.099 R)
• M7: 3,349,945 km (0.06 R)
• M8: 3,943,699 km (0.1 R)
• M9: 4,451,434 km (0.093 R)
• M10: 4,972,633 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 8.2

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1.02 AU

Year: 532 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,969,708 km

• M1: 102,026 km (0.089 R)
• M2: 399,726 km (0.114 R)
• M3: 781,798 km (0.11 R)
• M4: 1,305,541 km (0.054 R)
• M5: 1,811,331 km (0.041 R)
• M6: 2,223,623 km (0.078 R)
• M7: 2,578,319 km (0.048 R)
• M8: 3,113,730 km (0.114 R)
• M9: 3,790,511 km (0.12 R)
• M10: 5,362,485 km (0.057 R)
• M11: 5,908,817 km (0.115 R)
• M12: 6,817,923 km (0.028 R)
• M13: 7,197,902 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 9.3

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1 AU - 1.24 AU

Year: 778 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,969,708 km

• M1: 115,639 km (0.102 R)
• M2: 437,125 km (0.116 R)
• M3: 1,026,989 km (0.088 R)
• M4: 1,413,999 km (0.089 R)
• M5: 2,517,433 km (0.065 R)
• M6: 4,184,851 km (0.102 R)
• M7: 5,446,858 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 12.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 939 Days

Day: 6.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 90 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,969,708 km

• M1: 173,384 km (0.094 R)
• M2: 609,611 km (0.084 R)
• M3: 1,150,258 km (0.099 R)
• M4: 1,655,899 km (0.047 R)
• M5: 2,201,632 km (0.111 R)
• M6: 2,673,912 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.7

Radius: 11.2

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.3 AU - 1.52 AU

Year: 1098 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,969,708 km

• M1: 143,016 km (0.107 R)
• M2: 741,108 km (0.113 R)
• M3: 1,540,260 km (0.077 R)
• M4: 1,986,660 km (0.106 R)
• M5: 2,377,409 km (0.036 R)
• M6: 2,859,115 km (0.1 R)
• M7: 3,525,723 km (0.039 R)
• M8: 4,652,045 km (0.115 R)
• M9: 5,208,399 km (0.085 R)
• M10: 5,659,736 km (0.045 R)
• M11: 6,249,152 km (0.109 R)
• M12: 7,372,632 km (0.072 R)
• M13: 7,969,378 km (0.089 R)
• M14: 8,375,686 km (0.036 R)
• M15: 9,861,940 km (0.08 R)
• M16: 11,178,850 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 14.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.25 AU - 5.67 AU

Year: 7247 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,969,708 km

• M1: 178,321 km (0.069 R)
• M2: 636,539 km (0.113 R)
• M3: 1,242,410 km (0.104 R)
• M4: 2,344,947 km (0.066 R)
• M5: 3,904,205 km (0.055 R)
• M6: 4,431,239 km (0.065 R)
• M7: 5,754,282 km (0.077 R)
• M8: 6,785,311 km (0.094 R)
• M9: 7,438,455 km (0.094 R)
• M10: 7,896,972 km (0.113 R)
• M11: 8,828,818 km (0.063 R)
• M12: 11,107,492 km (0.048 R)
• M13: 12,865,716 km (0.11 R)
• M14: 13,983,063 km (0.076 R)
• M15: 14,506,506 km (0.054 R)
• M16: 15,285,761 km (0.098 R)
• M17: 16,539,092 km (0.116 R)
• M18: 17,323,284 km (0.096 R)
• M19: 20,936,072 km (0.08 R)
• M20: 22,087,677 km (0.073 R)
• M21: 27,209,609 km (0.11 R)
• M22: 28,580,823 km (0.078 R)
• M23: 33,176,021 km (0.078 R)
• M24: 34,318,649 km (0.038 R)
• M25: 36,244,722 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 10.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.21 AU - 6.73 AU

Year: 8392 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,969,708 km

• M1: 132,095 km (0.072 R)
• M2: 1,054,216 km (0.114 R)
• M3: 1,772,585 km (0.109 R)
• M4: 2,330,136 km (0.081 R)
• M5: 2,670,621 km (0.115 R)
• M6: 3,023,074 km (0.041 R)
• M7: 3,797,093 km (0.094 R)
• M8: 5,770,289 km (0.109 R)
• M9: 6,149,819 km (0.12 R)
• M10: 7,075,082 km (0.115 R)
• M11: 7,430,077 km (0.099 R)
• M12: 9,529,085 km (0.089 R)
• M13: 11,026,111 km (0.089 R)
• M14: 15,445,382 km (0.081 R)
• M15: 15,776,442 km (0.049 R)
• M16: 17,718,222 km (0.041 R)
• M17: 19,892,328 km (0.07 R)
• M18: 21,821,542 km (0.091 R)
• M19: 23,002,767 km (0.111 R)
• M20: 26,518,018 km (0.094 R)
• M21: 31,001,167 km (0.105 R)
• M22: 43,243,658 km (0.104 R)
• M23: 44,567,450 km (0.041 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit