🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.55 AU - 0.75 AU

Year: 221 Days

Day: 25.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,634,193 km

• M1: 46,226 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.63 AU - 1.89 AU

Year: 985 Days

Day: 19 Hours

Environment

Temp: -107 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.55 AU - 2.09 AU

Year: 1036 Days

Day: 22.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,634,193 km

• M1: 40,242 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.83 AU - 2.01 AU

Year: 1122 Days

Day: 38.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.22 AU - 2.88 AU

Year: 1717 Days

Day: 28.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,634,193 km

• M1: 200,012 km (0.103 R)

Asteroid Belt

Center: 3.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 8.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.78 AU - 5.68 AU

Year: 4339 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,634,193 km

• M1: 109,206 km (0.102 R)
• M2: 681,867 km (0.111 R)
• M3: 1,211,144 km (0.068 R)
• M4: 1,726,210 km (0.117 R)
• M5: 3,100,865 km (0.099 R)
• M6: 5,597,803 km (0.071 R)
• M7: 6,374,365 km (0.095 R)
• M8: 6,964,529 km (0.076 R)
• M9: 8,745,940 km (0.049 R)
• M10: 9,568,280 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 9.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.98 AU - 7.98 AU

Year: 7778 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,634,193 km

• M1: 123,119 km (0.119 R)
• M2: 564,134 km (0.111 R)
• M3: 886,667 km (0.087 R)
• M4: 1,703,621 km (0.094 R)
• M5: 2,517,583 km (0.044 R)
• M6: 3,571,799 km (0.075 R)
• M7: 5,045,936 km (0.064 R)
• M8: 5,644,477 km (0.109 R)
• M9: 6,202,627 km (0.058 R)
• M10: 7,267,913 km (0.072 R)
• M11: 8,884,618 km (0.101 R)
• M12: 13,387,513 km (0.091 R)
• M13: 13,828,528 km (0.056 R)
• M14: 20,351,294 km (0.084 R)
• M15: 21,065,923 km (0.087 R)
• M16: 22,960,431 km (0.05 R)
• M17: 23,592,781 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.6

Radius: 6.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.41 AU - 10.43 AU

Year: 14186 Days

Day: 23.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,634,193 km

• M1: 82,279 km (0.113 R)
• M2: 477,516 km (0.047 R)
• M3: 1,240,466 km (0.045 R)
• M4: 1,947,016 km (0.075 R)
• M5: 2,877,964 km (0.036 R)
• M6: 3,227,724 km (0.06 R)
• M7: 3,949,683 km (0.094 R)
• M8: 4,610,008 km (0.116 R)
• M9: 5,870,819 km (0.082 R)
• M10: 7,701,298 km (0.065 R)
• M11: 8,656,930 km (0.111 R)
• M12: 9,574,862 km (0.054 R)
• M13: 9,843,241 km (0.097 R)
• M14: 10,678,296 km (0.106 R)
• M15: 16,052,151 km (0.094 R)
• M16: 16,926,999 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.7

Radius: 3.9

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.36 AU - 17.32 AU

Year: 25339 Days

Day: 18.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 49,634,193 km

• M1: 49,218 km (0.108 R)
• M2: 176,675 km (0.066 R)
• M3: 335,698 km (0.103 R)
• M4: 725,998 km (0.108 R)
• M5: 1,166,863 km (0.115 R)
• M6: 1,730,548 km (0.102 R)
• M7: 2,259,377 km (0.066 R)
• M8: 3,993,366 km (0.066 R)
• M9: 4,185,300 km (0.081 R)
• M10: 4,905,763 km (0.095 R)
• M11: 5,125,971 km (0.12 R)
• M12: 5,826,239 km (0.108 R)
• M13: 5,948,909 km (0.119 R)
• M14: 6,157,149 km (0.096 R)
• M15: 6,284,307 km (0.115 R)
• M16: 6,766,012 km (0.08 R)
• M17: 7,704,290 km (0.098 R)
• M18: 8,153,533 km (0.1 R)
• M19: 10,483,220 km (0.063 R)
• M20: 10,910,322 km (0.119 R)
• M21: 11,604,756 km (0.095 R)
• M22: 13,576,156 km (0.047 R)
• M23: 17,142,869 km (0.09 R)
• M24: 23,693,161 km (0.097 R)
• M25: 25,721,858 km (0.091 R)
• M26: 26,052,469 km (0.075 R)
• M27: 27,863,351 km (0.093 R)
• M28: 28,563,619 km (0.078 R)
• M29: 29,515,361 km (0.099 R)
• M30: 32,114,025 km (0.117 R)
• M31: 33,928,498 km (0.12 R)
• M32: 39,633,861 km (0.051 R)
• M33: 39,927,372 km (0.042 R)
• M34: 41,116,376 km (0.116 R)
• M35: 42,175,679 km (0.093 R)
• M36: 44,507,012 km (0.058 R)
• M37: 53,609,594 km (0.03 R)
• M38: 56,527,201 km (0.114 R)
• M39: 58,593,297 km (0.102 R)
• M40: 67,989,091 km (0.096 R)
• M41: 72,712,643 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.3

Radius: 5.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 14.17 AU - 16.61 AU

Year: 25463 Days

Day: 19.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,634,193 km

• M1: 74,799 km (0.106 R)
• M2: 325,525 km (0.113 R)
• M3: 954,584 km (0.089 R)
• M4: 1,244,953 km (0.069 R)
• M5: 1,578,557 km (0.077 R)
• M6: 1,790,387 km (0.086 R)
• M7: 6,418,347 km (0.105 R)
• M8: 9,012,225 km (0.098 R)
• M9: 9,693,344 km (0.111 R)
• M10: 10,252,092 km (0.1 R)
• M11: 13,004,692 km (0.09 R)
• M12: 13,684,016 km (0.061 R)
• M13: 15,864,106 km (0.12 R)
• M14: 20,566,416 km (0.112 R)
• M15: 22,523,605 km (0.109 R)
• M16: 27,100,851 km (0.104 R)
• M17: 27,499,679 km (0.068 R)
• M18: 35,130,068 km (0.036 R)
• M19: 36,565,759 km (0.066 R)
• M20: 43,648,171 km (0.042 R)
• M21: 43,921,636 km (0.114 R)
• M22: 44,472,006 km (0.078 R)
• M23: 45,586,510 km (0.107 R)
• M24: 47,871,319 km (0.103 R)
• M25: 49,634,180 km (0.035 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 12,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit