🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.31 AU - 2.19 AU

Year: 837 Days

Day: 46 Hours

Environment

Temp: -51 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.84 AU - 2.8 AU

Year: 1278 Days

Day: 17.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 5.7

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 12.66 AU - 15.14 AU

Year: 18742 Days

Day: 15.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 95,110,909 km

• M1: 72,854 km (0.058 R)
• M2: 361,877 km (0.072 R)
• M3: 552,615 km (0.067 R)
• M4: 927,058 km (0.072 R)
• M5: 1,534,725 km (0.06 R)
• M6: 1,870,123 km (0.045 R)
• M7: 2,113,519 km (0.063 R)
• M8: 2,710,115 km (0.112 R)
• M9: 3,252,856 km (0.085 R)
• M10: 3,578,082 km (0.107 R)
• M11: 5,924,076 km (0.083 R)
• M12: 6,285,654 km (0.062 R)
• M13: 6,790,547 km (0.063 R)
• M14: 8,874,445 km (0.088 R)
• M15: 11,047,803 km (0.055 R)
• M16: 11,533,846 km (0.102 R)
• M17: 13,211,886 km (0.064 R)
• M18: 13,415,488 km (0.086 R)
• M19: 13,690,150 km (0.1 R)
• M20: 14,464,917 km (0.104 R)
• M21: 16,646,952 km (0.077 R)
• M22: 20,361,916 km (0.117 R)
• M23: 21,744,948 km (0.096 R)
• M24: 22,124,029 km (0.035 R)
• M25: 22,604,089 km (0.103 R)
• M26: 23,189,316 km (0.057 R)
• M27: 26,375,152 km (0.118 R)
• M28: 27,461,980 km (0.107 R)
• M29: 31,621,848 km (0.09 R)
• M30: 32,723,786 km (0.056 R)
• M31: 33,977,865 km (0.112 R)
• M32: 36,581,766 km (0.088 R)
• M33: 38,619,738 km (0.081 R)
• M34: 40,446,178 km (0.098 R)
• M35: 41,019,437 km (0.116 R)
• M36: 42,035,954 km (0.099 R)
• M37: 46,113,843 km (0.075 R)
• M38: 46,896,838 km (0.069 R)
• M39: 58,443,101 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12

Radius: 6.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.88 AU - 17.42 AU

Year: 22390 Days

Day: 18.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,110,909 km

• M1: 97,538 km (0.086 R)
• M2: 506,987 km (0.106 R)
• M3: 773,421 km (0.092 R)
• M4: 1,248,993 km (0.118 R)
• M5: 1,483,861 km (0.09 R)
• M6: 2,273,888 km (0.088 R)
• M7: 5,069,124 km (0.057 R)
• M8: 7,809,158 km (0.043 R)
• M9: 13,724,408 km (0.078 R)
• M10: 14,155,699 km (0.097 R)
• M11: 17,154,238 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.9

Radius: 6.8

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 14.52 AU - 16.9 AU

Year: 22519 Days

Day: 21.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,110,909 km

• M1: 85,420 km (0.119 R)
• M2: 311,612 km (0.11 R)
• M3: 711,338 km (0.106 R)
• M4: 996,920 km (0.068 R)
• M5: 2,726,421 km (0.075 R)
• M6: 2,959,495 km (0.084 R)
• M7: 3,233,857 km (0.117 R)
• M8: 3,962,848 km (0.08 R)
• M9: 4,366,014 km (0.082 R)
• M10: 4,649,801 km (0.074 R)
• M11: 5,453,590 km (0.09 R)
• M12: 6,125,883 km (0.091 R)
• M13: 8,972,581 km (0.074 R)
• M14: 10,151,113 km (0.118 R)
• M15: 16,747,482 km (0.093 R)
• M16: 18,617,006 km (0.116 R)
• M17: 23,297,026 km (0.091 R)
• M18: 36,896,520 km (0.069 R)
• M19: 39,277,220 km (0.095 R)
• M20: 40,972,164 km (0.109 R)
• M21: 45,505,279 km (0.103 R)
• M22: 47,202,018 km (0.081 R)
• M23: 54,789,921 km (0.085 R)
• M24: 58,871,848 km (0.07 R)
• M25: 60,074,316 km (0.053 R)
• M26: 64,623,288 km (0.092 R)
• M27: 70,513,405 km (0.071 R)
• M28: 75,569,664 km (0.106 R)
• M29: 78,909,885 km (0.09 R)
• M30: 84,102,876 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.3

Radius: 4.9

Gravity: 34.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.66 AU - 17.54 AU

Year: 25573 Days

Day: 22.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 95,110,909 km

• M1: 67,469 km (0.057 R)
• M2: 300,093 km (0.098 R)
• M3: 1,018,761 km (0.087 R)
• M4: 1,187,508 km (0.047 R)
• M5: 1,581,997 km (0.079 R)
• M6: 1,750,893 km (0.074 R)
• M7: 2,601,657 km (0.092 R)
• M8: 3,476,804 km (0.092 R)
• M9: 3,863,066 km (0.114 R)
• M10: 4,836,499 km (0.116 R)
• M11: 8,380,473 km (0.101 R)
• M12: 10,704,625 km (0.119 R)
• M13: 14,534,480 km (0.11 R)
• M14: 15,961,345 km (0.103 R)
• M15: 17,478,866 km (0.093 R)
• M16: 25,566,276 km (0.096 R)
• M17: 26,770,988 km (0.086 R)
• M18: 38,421,520 km (0.029 R)
• M19: 39,999,927 km (0.09 R)
• M20: 54,803,086 km (0.113 R)
• M21: 63,736,921 km (0.093 R)
• M22: 68,203,913 km (0.041 R)
• M23: 79,512,914 km (0.049 R)
• M24: 90,897,461 km (0.098 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 16,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit