🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.69 AU - 0.81 AU

Year: 235 Days

Day: 45.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.02 AU - 1.14 AU

Year: 406 Days

Day: 24.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,660,798 km

• M1: 31,565 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.03 AU - 1.47 AU

Year: 505 Days

Day: 20.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.05 AU - 3.03 AU

Year: 1464 Days

Day: 38.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.9

Radius: 15

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.63 AU - 6.88 AU

Year: 5651 Days

Day: 11.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,660,798 km

• M1: 186,549 km (0.108 R)
• M2: 808,576 km (0.062 R)
• M3: 1,354,609 km (0.08 R)
• M4: 2,152,414 km (0.062 R)
• M5: 2,993,753 km (0.114 R)
• M6: 3,708,980 km (0.089 R)
• M7: 5,714,938 km (0.115 R)
• M8: 6,850,685 km (0.065 R)
• M9: 7,425,889 km (0.079 R)
• M10: 8,231,922 km (0.093 R)
• M11: 12,358,729 km (0.107 R)
• M12: 15,861,114 km (0.112 R)
• M13: 18,727,858 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 14

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.81 AU - 11.09 AU

Year: 9683 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,660,798 km

• M1: 174,132 km (0.094 R)
• M2: 680,222 km (0.091 R)
• M3: 1,486,853 km (0.049 R)
• M4: 2,054,428 km (0.093 R)
• M5: 2,500,229 km (0.066 R)
• M6: 3,030,853 km (0.119 R)
• M7: 3,548,461 km (0.081 R)
• M8: 7,928,986 km (0.081 R)
• M9: 8,474,420 km (0.116 R)
• M10: 8,961,660 km (0.116 R)
• M11: 10,911,369 km (0.068 R)
• M12: 12,393,884 km (0.031 R)
• M13: 12,916,729 km (0.109 R)
• M14: 13,728,746 km (0.063 R)
• M15: 15,634,922 km (0.072 R)
• M16: 19,613,627 km (0.068 R)
• M17: 24,629,644 km (0.108 R)
• M18: 26,048,131 km (0.078 R)
• M19: 28,683,447 km (0.112 R)
• M20: 31,299,166 km (0.071 R)
• M21: 32,074,831 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.4

Radius: 6.4

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 10.32 AU - 15.6 AU

Year: 16873 Days

Day: 22.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,660,798 km

• M1: 80,184 km (0.106 R)
• M2: 352,004 km (0.089 R)
• M3: 1,086,081 km (0.082 R)
• M4: 1,503,758 km (0.114 R)
• M5: 1,854,565 km (0.104 R)
• M6: 2,412,415 km (0.115 R)
• M7: 2,872,279 km (0.088 R)
• M8: 3,748,474 km (0.069 R)
• M9: 5,145,269 km (0.083 R)
• M10: 5,516,721 km (0.103 R)
• M11: 6,350,878 km (0.105 R)
• M12: 7,820,977 km (0.082 R)
• M13: 8,131,243 km (0.069 R)
• M14: 9,909,363 km (0.104 R)
• M15: 10,644,936 km (0.113 R)
• M16: 11,815,838 km (0.117 R)
• M17: 12,462,251 km (0.053 R)
• M18: 13,381,380 km (0.11 R)
• M19: 13,954,041 km (0.102 R)
• M20: 16,698,862 km (0.084 R)
• M21: 20,359,821 km (0.094 R)
• M22: 21,031,965 km (0.112 R)
• M23: 23,228,061 km (0.076 R)
• M24: 24,522,382 km (0.091 R)
• M25: 28,070,096 km (0.096 R)
• M26: 36,041,269 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.5

Radius: 5.9

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.83 AU - 17.89 AU

Year: 21771 Days

Day: 17.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,660,798 km

• M1: 73,453 km (0.08 R)
• M2: 284,086 km (0.097 R)
• M3: 594,203 km (0.111 R)
• M4: 1,016,218 km (0.088 R)
• M5: 1,521,859 km (0.09 R)
• M6: 1,723,667 km (0.104 R)
• M7: 1,924,427 km (0.036 R)
• M8: 2,120,400 km (0.076 R)
• M9: 2,308,295 km (0.114 R)
• M10: 4,016,404 km (0.039 R)
• M11: 4,472,228 km (0.088 R)
• M12: 5,071,218 km (0.1 R)
• M13: 5,762,360 km (0.101 R)
• M14: 7,236,049 km (0.113 R)
• M15: 7,424,542 km (0.119 R)
• M16: 9,107,219 km (0.096 R)
• M17: 9,606,876 km (0.057 R)
• M18: 9,892,309 km (0.074 R)
• M19: 12,585,519 km (0.097 R)
• M20: 15,496,095 km (0.102 R)
• M21: 19,727,770 km (0.063 R)
• M22: 24,037,835 km (0.077 R)
• M23: 24,458,354 km (0.086 R)
• M24: 30,256,917 km (0.093 R)
• M25: 31,242,468 km (0.106 R)
• M26: 31,492,147 km (0.106 R)
• M27: 33,537,748 km (0.064 R)
• M28: 35,806,550 km (0.111 R)
• M29: 38,461,014 km (0.074 R)
• M30: 41,243,834 km (0.056 R)
• M31: 45,106,002 km (0.116 R)
• M32: 45,745,383 km (0.11 R)
• M33: 50,221,202 km (0.056 R)
• M34: 50,735,819 km (0.103 R)
• M35: 63,765,045 km (0.116 R)
• M36: 64,570,331 km (0.119 R)
• M37: 73,440,287 km (0.082 R)
• M38: 73,660,795 km (0.077 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 18,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit