🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.73 AU - 0.85 AU

Year: 253 Days

Day: 47.6 Hours

Environment

Temp: 185 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.81 AU - 0.83 AU

Year: 267 Days

Day: 22.2 Hours

Environment

Temp: 174 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,000,433 km

• M1: 181,761 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.66 AU - 1 AU

Year: 272 Days

Day: 42.8 Hours

Environment

Temp: 146 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.02 AU - 1.22 AU

Year: 427 Days

Day: 41.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.73 AU - 2.23 AU

Year: 1003 Days

Day: 37.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.46 AU - 3.94 AU

Year: 2060 Days

Day: 43.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,000,433 km

• M1: 82,428 km (0.092 R)
• M2: 480,658 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.2

Radius: 3.7

Gravity: 46.76 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 12.04 AU - 13.6 AU

Year: 16520 Days

Day: 15.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 98,000,433 km

• M1: 46,226 km (0.085 R)
• M2: 203,453 km (0.082 R)
• M3: 601,683 km (0.082 R)
• M4: 791,522 km (0.066 R)
• M5: 1,156,840 km (0.08 R)
• M6: 1,692,251 km (0.095 R)
• M7: 3,958,060 km (0.084 R)
• M8: 4,791,470 km (0.117 R)
• M9: 5,249,240 km (0.034 R)
• M10: 6,251,396 km (0.115 R)
• M11: 6,457,691 km (0.089 R)
• M12: 6,971,560 km (0.111 R)
• M13: 8,424,454 km (0.082 R)
• M14: 8,676,377 km (0.06 R)
• M15: 12,229,776 km (0.106 R)
• M16: 19,465,974 km (0.118 R)
• M17: 22,206,009 km (0.106 R)
• M18: 22,589,727 km (0.067 R)
• M19: 23,967,673 km (0.066 R)
• M20: 24,985,388 km (0.051 R)
• M21: 25,296,252 km (0.091 R)
• M22: 25,925,760 km (0.05 R)
• M23: 30,745,803 km (0.111 R)
• M24: 30,864,434 km (0.052 R)
• M25: 32,435,362 km (0.033 R)
• M26: 33,428,093 km (0.1 R)
• M27: 33,679,417 km (0.087 R)
• M28: 33,931,939 km (0.106 R)
• M29: 38,009,827 km (0.116 R)
• M30: 38,696,780 km (0.029 R)
• M31: 40,664,142 km (0.104 R)
• M32: 47,121,684 km (0.069 R)
• M33: 47,914,104 km (0.086 R)
• M34: 49,038,481 km (0.098 R)
• M35: 54,576,744 km (0.074 R)
• M36: 55,099,888 km (0.096 R)
• M37: 57,766,320 km (0.11 R)
• M38: 61,265,414 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.3

Radius: 4.4

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 10.49 AU - 16.83 AU

Year: 18170 Days

Day: 15.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 98,000,433 km

• M1: 60,886 km (0.112 R)
• M2: 538,552 km (0.111 R)
• M3: 1,333,964 km (0.065 R)
• M4: 2,268,951 km (0.119 R)
• M5: 2,827,101 km (0.095 R)
• M6: 7,293,495 km (0.051 R)
• M7: 9,262,352 km (0.118 R)
• M8: 11,501,832 km (0.09 R)
• M9: 11,674,468 km (0.114 R)
• M10: 14,408,220 km (0.086 R)
• M11: 20,250,316 km (0.047 R)
• M12: 26,884,533 km (0.035 R)
• M13: 41,187,735 km (0.099 R)
• M14: 45,924,003 km (0.111 R)
• M15: 46,795,860 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 4.3

Gravity: 37.74 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 14.41 AU - 22.87 AU

Year: 28963 Days

Day: 22.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,000,433 km

• M1: 58,792 km (0.049 R)
• M2: 283,937 km (0.09 R)
• M3: 477,666 km (0.036 R)
• M4: 725,250 km (0.118 R)
• M5: 1,620,893 km (0.107 R)
• M6: 2,542,565 km (0.088 R)
• M7: 5,513,280 km (0.119 R)
• M8: 6,182,132 km (0.117 R)
• M9: 10,029,191 km (0.04 R)
• M10: 10,484,417 km (0.111 R)
• M11: 18,869,079 km (0.06 R)
• M12: 20,169,683 km (0.083 R)
• M13: 20,999,203 km (0.049 R)
• M14: 31,260,569 km (0.116 R)
• M15: 37,844,222 km (0.102 R)
• M16: 38,944,814 km (0.086 R)
• M17: 44,076,170 km (0.1 R)
• M18: 44,595,574 km (0.103 R)
• M19: 47,797,118 km (0.101 R)
• M20: 57,899,911 km (0.109 R)
• M21: 65,445,628 km (0.039 R)
• M22: 91,677,166 km (0.034 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 20,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit