🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.51 AU - 0.65 AU

Year: 193 Days

Day: 29.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.35 AU - 1.69 AU

Year: 818 Days

Day: 21.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,181,050 km

• M1: 722,109 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.91 AU - 1.93 AU

Year: 1161 Days

Day: 15.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 12.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.29 AU - 6.17 AU

Year: 5221 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,181,050 km

• M1: 157,078 km (0.118 R)
• M2: 550,670 km (0.076 R)
• M3: 1,132,306 km (0.093 R)
• M4: 2,156,005 km (0.03 R)
• M5: 3,552,650 km (0.11 R)
• M6: 4,482,551 km (0.071 R)
• M7: 6,692,111 km (0.113 R)
• M8: 7,428,881 km (0.079 R)
• M9: 16,092,542 km (0.037 R)
• M10: 16,625,111 km (0.08 R)
• M11: 17,787,935 km (0.081 R)
• M12: 19,004,166 km (0.036 R)
• M13: 25,528,727 km (0.102 R)
• M14: 27,324,799 km (0.088 R)
• M15: 28,083,410 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 8.4

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.28 AU - 7 AU

Year: 7470 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,181,050 km

• M1: 105,466 km (0.118 R)
• M2: 416,780 km (0.12 R)
• M3: 725,849 km (0.073 R)
• M4: 1,136,944 km (0.109 R)
• M5: 1,454,241 km (0.1 R)
• M6: 1,785,750 km (0.082 R)
• M7: 2,545,557 km (0.115 R)
• M8: 3,481,741 km (0.104 R)
• M9: 3,924,999 km (0.074 R)
• M10: 5,045,188 km (0.049 R)
• M11: 5,355,753 km (0.117 R)
• M12: 6,294,330 km (0.083 R)
• M13: 6,991,008 km (0.103 R)
• M14: 7,536,442 km (0.116 R)
• M15: 10,054,622 km (0.077 R)
• M16: 11,797,737 km (0.119 R)
• M17: 12,346,611 km (0.112 R)
• M18: 12,684,104 km (0.107 R)
• M19: 13,614,154 km (0.12 R)
• M20: 14,526,552 km (0.094 R)
• M21: 15,674,715 km (0.099 R)
• M22: 19,180,242 km (0.105 R)
• M23: 19,939,152 km (0.106 R)
• M24: 20,717,959 km (0.102 R)
• M25: 24,211,368 km (0.108 R)
• M26: 25,639,579 km (0.038 R)
• M27: 26,281,803 km (0.111 R)
• M28: 34,400,928 km (0.077 R)
• M29: 35,407,422 km (0.108 R)
• M30: 37,479,054 km (0.076 R)
• M31: 38,664,168 km (0.114 R)
• M32: 40,860,115 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.18 AU - 9.64 AU

Year: 9712 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,181,050 km

• M1: 184,005 km (0.11 R)
• M2: 654,341 km (0.041 R)
• M3: 1,177,634 km (0.107 R)
• M4: 1,691,204 km (0.105 R)
• M5: 2,459,090 km (0.087 R)
• M6: 2,950,668 km (0.117 R)
• M7: 3,546,816 km (0.113 R)
• M8: 7,057,429 km (0.084 R)
• M9: 8,304,327 km (0.119 R)
• M10: 14,588,336 km (0.064 R)
• M11: 19,908,185 km (0.115 R)
• M12: 20,797,844 km (0.103 R)
• M13: 21,383,669 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.8

Radius: 6.8

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.79 AU - 14.31 AU

Year: 17136 Days

Day: 24 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,181,050 km

• M1: 84,523 km (0.083 R)
• M2: 440,715 km (0.059 R)
• M3: 1,152,053 km (0.109 R)
• M4: 1,372,261 km (0.112 R)
• M5: 1,863,092 km (0.04 R)
• M6: 2,169,618 km (0.094 R)
• M7: 2,465,074 km (0.113 R)
• M8: 3,716,609 km (0.117 R)
• M9: 4,047,520 km (0.084 R)
• M10: 5,965,514 km (0.089 R)
• M11: 6,808,498 km (0.05 R)
• M12: 7,444,140 km (0.114 R)
• M13: 9,812,274 km (0.111 R)
• M14: 10,096,809 km (0.1 R)
• M15: 10,922,589 km (0.111 R)
• M16: 12,640,870 km (0.088 R)
• M17: 14,605,390 km (0.106 R)
• M18: 14,976,392 km (0.072 R)
• M19: 16,603,868 km (0.104 R)
• M20: 19,216,445 km (0.094 R)
• M21: 20,023,525 km (0.108 R)
• M22: 20,666,647 km (0.069 R)
• M23: 22,481,718 km (0.104 R)
• M24: 25,028,322 km (0.105 R)
• M25: 28,791,756 km (0.118 R)
• M26: 31,050,833 km (0.096 R)
• M27: 36,187,875 km (0.113 R)
• M28: 42,612,505 km (0.108 R)
• M29: 46,013,163 km (0.076 R)
• M30: 52,478,634 km (0.042 R)
• M31: 56,743,968 km (0.037 R)
• M32: 57,660,854 km (0.113 R)
• M33: 60,280,312 km (0.099 R)
• M34: 66,361,017 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.5

Radius: 4.4

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 11.12 AU - 13.16 AU

Year: 18466 Days

Day: 17.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,181,050 km

• M1: 57,745 km (0.089 R)
• M2: 248,632 km (0.098 R)
• M3: 819,348 km (0.11 R)
• M4: 1,302,698 km (0.104 R)
• M5: 2,077,466 km (0.096 R)
• M6: 2,783,568 km (0.088 R)
• M7: 3,585,861 km (0.086 R)
• M8: 4,383,218 km (0.116 R)
• M9: 6,548,796 km (0.117 R)
• M10: 8,258,700 km (0.102 R)
• M11: 10,454,647 km (0.101 R)
• M12: 11,100,012 km (0.113 R)
• M13: 14,465,815 km (0.095 R)
• M14: 18,147,568 km (0.103 R)
• M15: 19,877,069 km (0.087 R)
• M16: 25,719,464 km (0.047 R)
• M17: 28,303,917 km (0.115 R)
• M18: 29,342,426 km (0.068 R)
• M19: 33,750,776 km (0.045 R)
• M20: 35,630,922 km (0.066 R)
• M21: 36,596,875 km (0.108 R)
• M22: 43,167,662 km (0.102 R)
• M23: 47,233,284 km (0.052 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 13,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit