🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.25 AU - 1.43 AU

Year: 550 Days

Day: 20 Hours

Environment

Temp: 3 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.37 AU - 2.47 AU

Year: 1336 Days

Day: 15 Hours

Environment

Temp: -84 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,581,757 km

• M1: 143,165 km (0.075 R)
• M2: 1,024,745 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.19 AU - 3.59 AU

Year: 2214 Days

Day: 16.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,581,757 km

• M1: 1,265,448 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.51 AU - 4.67 AU

Year: 2934 Days

Day: 15.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,581,757 km

• M1: 20,345 km (0.091 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 14.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.56 AU - 7.2 AU

Year: 5058 Days

Day: 5.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,581,757 km

• M1: 180,415 km (0.089 R)
• M2: 667,057 km (0.043 R)
• M3: 1,463,666 km (0.093 R)
• M4: 2,482,876 km (0.066 R)
• M5: 3,072,441 km (0.096 R)
• M6: 3,732,766 km (0.11 R)
• M7: 4,768,432 km (0.102 R)
• M8: 5,569,978 km (0.037 R)
• M9: 6,205,170 km (0.09 R)
• M10: 7,803,623 km (0.111 R)
• M11: 10,582,254 km (0.083 R)
• M12: 11,607,748 km (0.108 R)
• M13: 14,184,272 km (0.114 R)
• M14: 15,430,871 km (0.099 R)
• M15: 16,021,184 km (0.108 R)
• M16: 17,882,929 km (0.059 R)
• M17: 19,610,037 km (0.062 R)
• M18: 21,084,174 km (0.09 R)
• M19: 22,256,124 km (0.11 R)
• M20: 25,457,219 km (0.108 R)
• M21: 30,677,886 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 10.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.11 AU - 8.49 AU

Year: 6997 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,581,757 km

• M1: 271,969 km (0.039 R)
• M2: 713,283 km (0.04 R)
• M3: 1,216,829 km (0.108 R)
• M4: 1,533,827 km (0.059 R)
• M5: 2,130,722 km (0.098 R)
• M6: 2,483,773 km (0.119 R)
• M7: 3,764,930 km (0.111 R)
• M8: 4,674,784 km (0.096 R)
• M9: 5,582,245 km (0.07 R)
• M10: 6,571,236 km (0.112 R)
• M11: 6,991,456 km (0.034 R)
• M12: 9,010,729 km (0.025 R)
• M13: 12,190,581 km (0.087 R)
• M14: 13,587,077 km (0.113 R)
• M15: 14,110,819 km (0.106 R)
• M16: 17,418,278 km (0.103 R)
• M17: 17,974,184 km (0.042 R)
• M18: 20,863,218 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 4.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 11.97 AU - 17.41 AU

Year: 19974 Days

Day: 22.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,581,757 km

• M1: 63,878 km (0.106 R)
• M2: 518,656 km (0.071 R)
• M3: 1,231,490 km (0.078 R)
• M4: 2,189,814 km (0.073 R)
• M5: 2,414,809 km (0.106 R)
• M6: 2,911,025 km (0.057 R)
• M7: 4,392,193 km (0.11 R)
• M8: 5,069,273 km (0.112 R)
• M9: 5,845,836 km (0.108 R)
• M10: 9,079,095 km (0.047 R)
• M11: 10,602,450 km (0.113 R)
• M12: 11,045,708 km (0.092 R)
• M13: 18,403,680 km (0.098 R)
• M14: 18,686,270 km (0.09 R)
• M15: 19,551,395 km (0.075 R)
• M16: 23,033,734 km (0.085 R)
• M17: 23,943,738 km (0.101 R)
• M18: 27,089,482 km (0.044 R)
• M19: 27,455,099 km (0.108 R)
• M20: 34,827,731 km (0.049 R)
• M21: 35,586,641 km (0.088 R)
• M22: 37,929,643 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.2

Radius: 6.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 13.91 AU - 17.85 AU

Year: 22450 Days

Day: 15.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,581,757 km

• M1: 84,672 km (0.11 R)
• M2: 952,340 km (0.119 R)
• M3: 1,351,766 km (0.062 R)
• M4: 1,653,206 km (0.053 R)
• M5: 2,147,029 km (0.084 R)
• M6: 2,484,372 km (0.113 R)
• M7: 4,225,990 km (0.085 R)
• M8: 4,786,085 km (0.1 R)
• M9: 5,363,084 km (0.073 R)
• M10: 8,918,277 km (0.098 R)
• M11: 10,517,927 km (0.07 R)
• M12: 11,228,966 km (0.094 R)
• M13: 15,723,484 km (0.117 R)
• M14: 16,720,105 km (0.097 R)
• M15: 18,838,261 km (0.076 R)
• M16: 19,207,918 km (0.107 R)
• M17: 29,203,300 km (0.108 R)
• M18: 32,258,836 km (0.032 R)
• M19: 39,356,208 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.7

Radius: 6.9

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 17.39 AU - 19.73 AU

Year: 28366 Days

Day: 17.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,581,757 km

• M1: 85,869 km (0.099 R)
• M2: 590,612 km (0.116 R)
• M3: 1,277,117 km (0.073 R)
• M4: 1,847,384 km (0.054 R)
• M5: 2,246,062 km (0.113 R)
• M6: 2,550,793 km (0.081 R)
• M7: 3,243,880 km (0.117 R)
• M8: 3,890,143 km (0.116 R)
• M9: 4,226,589 km (0.086 R)
• M10: 5,643,430 km (0.117 R)
• M11: 5,943,374 km (0.1 R)
• M12: 6,253,939 km (0.108 R)
• M13: 6,907,682 km (0.074 R)
• M14: 7,452,517 km (0.087 R)
• M15: 7,761,586 km (0.075 R)
• M16: 8,241,197 km (0.11 R)
• M17: 10,809,493 km (0.036 R)
• M18: 11,749,267 km (0.108 R)
• M19: 12,815,451 km (0.094 R)
• M20: 13,184,659 km (0.096 R)
• M21: 15,057,026 km (0.108 R)
• M22: 21,209,388 km (0.111 R)
• M23: 22,785,252 km (0.112 R)
• M24: 24,891,141 km (0.085 R)
• M25: 27,487,861 km (0.098 R)
• M26: 27,732,453 km (0.114 R)
• M27: 33,212,373 km (0.067 R)
• M28: 34,758,317 km (0.087 R)
• M29: 43,212,991 km (0.115 R)
• M30: 44,043,408 km (0.12 R)
• M31: 48,000,870 km (0.086 R)
• M32: 48,712,358 km (0.069 R)
• M33: 49,070,794 km (0.038 R)
• M34: 50,705,600 km (0.119 R)
• M35: 60,867,185 km (0.091 R)
• M36: 61,700,744 km (0.054 R)
• M37: 71,147,700 km (0.082 R)
• M38: 78,035,336 km (0.102 R)
• M39: 78,772,255 km (0.072 R)
• M40: 81,766,307 km (0.058 R)
• M41: 83,803,979 km (0.05 R)
• M42: 87,451,026 km (0.067 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 17,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit