🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.65 AU - 0.85 AU

Year: 226 Days

Day: 33.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,652,302 km

• M1: 137,181 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.78 AU - 0.96 AU

Year: 283 Days

Day: 45.9 Hours

Environment

Temp: 199 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,652,302 km

• M1: 135,536 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.85 AU - 1.21 AU

Year: 364 Days

Day: 38.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.98 AU - 1.38 AU

Year: 446 Days

Day: 30 Hours

Environment

Temp: 44 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.22 AU - 1.44 AU

Year: 534 Days

Day: 32.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.73 AU - 1.89 AU

Year: 848 Days

Day: 12.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.64 AU - 3.14 AU

Year: 1711 Days

Day: 33 Hours

Environment

Temp: -82 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,652,302 km

• M1: 45,179 km (0.105 R)

Asteroid Belt

Center: 7.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 11.6

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.62 AU - 13.84 AU

Year: 15817 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 102,652,302 km

• M1: 144,661 km (0.08 R)
• M2: 627,713 km (0.113 R)
• M3: 1,237,324 km (0.045 R)
• M4: 1,725,312 km (0.094 R)
• M5: 2,361,402 km (0.117 R)
• M6: 2,997,941 km (0.074 R)
• M7: 3,492,811 km (0.081 R)
• M8: 5,574,465 km (0.089 R)
• M9: 6,285,355 km (0.094 R)
• M10: 6,923,090 km (0.031 R)
• M11: 8,630,600 km (0.113 R)
• M12: 9,419,131 km (0.108 R)
• M13: 9,970,997 km (0.109 R)
• M14: 12,462,849 km (0.1 R)
• M15: 12,993,622 km (0.07 R)
• M16: 14,029,288 km (0.092 R)
• M17: 14,749,901 km (0.112 R)
• M18: 15,799,929 km (0.025 R)
• M19: 16,186,789 km (0.079 R)
• M20: 19,602,108 km (0.11 R)
• M21: 20,594,241 km (0.081 R)
• M22: 33,818,394 km (0.105 R)
• M23: 34,203,459 km (0.102 R)
• M24: 37,390,492 km (0.063 R)
• M25: 38,217,020 km (0.073 R)
• M26: 43,738,079 km (0.096 R)
• M27: 44,195,400 km (0.059 R)
• M28: 55,793,124 km (0.115 R)
• M29: 62,479,102 km (0.081 R)
• M30: 62,865,513 km (0.089 R)
• M31: 64,426,866 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.2

Radius: 7.8

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 19.36 AU - 20.8 AU

Year: 31336 Days

Day: 21.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 84.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 102,652,302 km

• M1: 106,962 km (0.055 R)
• M2: 360,680 km (0.06 R)
• M3: 705,055 km (0.091 R)
• M4: 1,361,191 km (0.095 R)
• M5: 2,160,792 km (0.117 R)
• M6: 2,756,640 km (0.092 R)
• M7: 3,093,534 km (0.09 R)
• M8: 4,921,770 km (0.103 R)
• M9: 5,858,701 km (0.106 R)
• M10: 6,417,449 km (0.104 R)
• M11: 6,759,430 km (0.071 R)
• M12: 7,426,936 km (0.086 R)
• M13: 9,504,850 km (0.102 R)
• M14: 10,079,306 km (0.11 R)
• M15: 12,236,507 km (0.045 R)
• M16: 15,278,879 km (0.113 R)
• M17: 15,801,275 km (0.055 R)
• M18: 17,346,471 km (0.065 R)
• M19: 18,495,982 km (0.092 R)
• M20: 22,807,392 km (0.052 R)
• M21: 25,862,929 km (0.104 R)
• M22: 26,855,361 km (0.077 R)
• M23: 30,529,335 km (0.098 R)
• M24: 31,777,879 km (0.119 R)
• M25: 35,880,002 km (0.095 R)
• M26: 38,375,594 km (0.03 R)
• M27: 42,502,999 km (0.055 R)
• M28: 46,010,770 km (0.1 R)
• M29: 47,466,208 km (0.066 R)
• M30: 48,205,371 km (0.088 R)
• M31: 56,849,884 km (0.102 R)
• M32: 60,017,768 km (0.093 R)
• M33: 66,472,318 km (0.111 R)
• M34: 71,666,655 km (0.1 R)
• M35: 74,114,675 km (0.084 R)
• M36: 76,365,075 km (0.079 R)
• M37: 79,695,423 km (0.069 R)
• M38: 80,477,521 km (0.116 R)
• M39: 84,195,028 km (0.091 R)
• M40: 88,860,986 km (0.115 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit