🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.57 AU - 0.75 AU

Year: 352 Days

Day: 16.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,820,306 km

• M1: 41,887 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 12.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.06 AU - 1.16 AU

Year: 767 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,820,306 km

• M1: 157,975 km (0.073 R)
• M2: 1,029,832 km (0.073 R)
• M3: 1,955,543 km (0.089 R)
• M4: 2,519,677 km (0.103 R)
• M5: 2,971,612 km (0.101 R)
• M6: 4,079,235 km (0.051 R)
• M7: 4,693,184 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 12

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1 AU - 1.24 AU

Year: 778 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,820,306 km

• M1: 149,299 km (0.091 R)
• M2: 531,222 km (0.101 R)
• M3: 908,957 km (0.095 R)
• M4: 1,344,286 km (0.079 R)
• M5: 2,140,895 km (0.115 R)
• M6: 2,793,291 km (0.037 R)
• M7: 4,182,607 km (0.065 R)
• M8: 4,825,130 km (0.102 R)
• M9: 5,911,509 km (0.116 R)
• M10: 6,450,810 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 8.3

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.75 AU - 5.75 AU

Year: 9045 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,820,306 km

• M1: 166,502 km (0.073 R)
• M2: 531,222 km (0.086 R)
• M3: 901,178 km (0.116 R)
• M4: 1,169,855 km (0.043 R)
• M5: 1,575,714 km (0.079 R)
• M6: 1,989,203 km (0.089 R)
• M7: 3,453,766 km (0.08 R)
• M8: 5,009,883 km (0.105 R)
• M9: 8,367,009 km (0.101 R)
• M10: 11,384,099 km (0.051 R)
• M11: 14,796,277 km (0.082 R)
• M12: 17,054,905 km (0.079 R)
• M13: 17,856,151 km (0.103 R)
• M14: 18,912,013 km (0.078 R)
• M15: 19,533,742 km (0.066 R)
• M16: 22,587,782 km (0.037 R)
• M17: 22,935,897 km (0.068 R)
• M18: 26,424,220 km (0.074 R)
• M19: 27,496,388 km (0.109 R)
• M20: 30,040,748 km (0.051 R)
• M21: 33,520,993 km (0.041 R)
• M22: 37,503,737 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.4

Radius: 3.3

Gravity: 82.77 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.46 AU - 6.56 AU

Year: 10896 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,820,306 km

• M1: 40,990 km (0.111 R)
• M2: 314,156 km (0.083 R)
• M3: 446,849 km (0.116 R)
• M4: 624,870 km (0.117 R)
• M5: 838,496 km (0.11 R)
• M6: 973,433 km (0.118 R)
• M7: 1,482,365 km (0.106 R)
• M8: 1,680,882 km (0.083 R)
• M9: 2,343,151 km (0.112 R)
• M10: 2,506,662 km (0.118 R)
• M11: 2,699,494 km (0.113 R)
• M12: 3,212,764 km (0.101 R)
• M13: 3,571,500 km (0.081 R)
• M14: 5,737,976 km (0.106 R)
• M15: 7,810,804 km (0.052 R)
• M16: 8,175,673 km (0.041 R)
• M17: 8,504,190 km (0.099 R)
• M18: 10,279,767 km (0.065 R)
• M19: 10,552,035 km (0.098 R)
• M20: 14,071,176 km (0.086 R)
• M21: 16,459,506 km (0.108 R)
• M22: 19,933,318 km (0.077 R)
• M23: 21,396,684 km (0.074 R)
• M24: 23,582,309 km (0.078 R)
• M25: 24,438,757 km (0.112 R)
• M26: 26,823,945 km (0.081 R)
• M27: 33,218,656 km (0.085 R)
• M28: 34,293,965 km (0.068 R)
• M29: 37,019,788 km (0.097 R)
• M30: 41,648,047 km (0.116 R)
• M31: 44,171,913 km (0.041 R)
• M32: 46,647,309 km (0.082 R)
• M33: 49,521,533 km (0.048 R)
• M34: 50,141,317 km (0.119 R)
• M35: 50,766,337 km (0.089 R)
• M36: 51,396,443 km (0.115 R)
• M37: 53,480,341 km (0.12 R)
• M38: 53,805,866 km (0.111 R)
• M39: 55,619,890 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.4

Radius: 5

Gravity: 37.9 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.02 AU - 11.66 AU

Year: 21812 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,820,306 km

• M1: 62,233 km (0.112 R)
• M2: 353,201 km (0.072 R)
• M3: 697,425 km (0.091 R)
• M4: 1,498,522 km (0.093 R)
• M5: 1,657,993 km (0.058 R)
• M6: 1,848,581 km (0.072 R)
• M7: 2,437,548 km (0.087 R)
• M8: 3,780,189 km (0.109 R)
• M9: 5,026,339 km (0.076 R)
• M10: 5,427,560 km (0.119 R)
• M11: 5,678,436 km (0.1 R)
• M12: 6,570,638 km (0.045 R)
• M13: 7,099,466 km (0.117 R)
• M14: 10,948,769 km (0.077 R)
• M15: 14,195,791 km (0.096 R)
• M16: 17,484,700 km (0.078 R)
• M17: 18,969,309 km (0.034 R)
• M18: 21,454,130 km (0.106 R)
• M19: 22,720,326 km (0.109 R)
• M20: 24,372,335 km (0.097 R)
• M21: 25,169,842 km (0.101 R)
• M22: 25,867,267 km (0.057 R)
• M23: 27,913,167 km (0.077 R)
• M24: 28,409,683 km (0.095 R)
• M25: 28,785,921 km (0.048 R)
• M26: 31,379,949 km (0.088 R)
• M27: 33,008,920 km (0.038 R)
• M28: 34,979,573 km (0.073 R)
• M29: 35,847,689 km (0.118 R)
• M30: 44,653,468 km (0.092 R)
• M31: 46,190,886 km (0.099 R)
• M32: 46,711,187 km (0.119 R)
• M33: 50,646,210 km (0.082 R)
• M34: 59,781,703 km (0.099 R)
• M35: 62,067,708 km (0.109 R)
• M36: 63,766,392 km (0.051 R)
• M37: 65,933,018 km (0.12 R)
• M38: 72,259,811 km (0.055 R)
• M39: 76,533,523 km (0.073 R)
• M40: 86,890,782 km (0.113 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: 535 - 11,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit