🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.54 AU - 0.76 AU

Year: 190 Days

Day: 27.1 Hours

Environment

Temp: 181 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.79 AU - 1.01 AU

Year: 309 Days

Day: 15.9 Hours

Environment

Temp: 155 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,871,343 km

• M1: 395,686 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.99 AU - 1.11 AU

Year: 389 Days

Day: 38.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.2 AU - 1.72 AU

Year: 638 Days

Day: 27.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,871,343 km

• M1: 35,006 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.48 AU - 2.34 AU

Year: 955 Days

Day: 39.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.41 AU - 5.07 AU

Year: 3157 Days

Day: 27 Hours

Environment

Temp: -116 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,871,343 km

• M1: 42,935 km (0.075 R)
• M2: 1,953,150 km (0.106 R)

Asteroid Belt

Center: 9.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.3

Radius: 6.6

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 14.34 AU - 15.82 AU

Year: 21178 Days

Day: 16.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,871,343 km

• M1: 82,877 km (0.109 R)
• M2: 545,284 km (0.071 R)
• M3: 842,086 km (0.053 R)
• M4: 1,325,288 km (0.111 R)
• M5: 1,735,036 km (0.091 R)
• M6: 2,537,180 km (0.102 R)
• M7: 3,020,680 km (0.101 R)
• M8: 3,482,489 km (0.11 R)
• M9: 3,758,946 km (0.036 R)
• M10: 3,990,374 km (0.029 R)
• M11: 4,450,387 km (0.051 R)
• M12: 5,188,204 km (0.094 R)
• M13: 6,004,709 km (0.119 R)
• M14: 6,734,148 km (0.108 R)
• M15: 7,658,065 km (0.107 R)
• M16: 7,889,941 km (0.071 R)
• M17: 9,381,432 km (0.055 R)
• M18: 10,193,449 km (0.057 R)
• M19: 12,395,829 km (0.109 R)
• M20: 16,151,185 km (0.087 R)
• M21: 17,315,206 km (0.066 R)
• M22: 18,121,688 km (0.117 R)
• M23: 19,809,152 km (0.102 R)
• M24: 23,688,823 km (0.116 R)
• M25: 24,281,530 km (0.071 R)
• M26: 24,883,960 km (0.032 R)
• M27: 26,539,111 km (0.114 R)
• M28: 29,724,050 km (0.095 R)
• M29: 32,183,140 km (0.099 R)
• M30: 36,446,978 km (0.066 R)
• M31: 40,509,009 km (0.083 R)
• M32: 41,072,395 km (0.11 R)
• M33: 42,070,960 km (0.058 R)
• M34: 44,265,112 km (0.107 R)
• M35: 45,465,934 km (0.105 R)
• M36: 50,812,413 km (0.094 R)
• M37: 51,632,359 km (0.082 R)
• M38: 52,627,933 km (0.079 R)
• M39: 57,798,484 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.3

Radius: 5.1

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 14.93 AU - 19.27 AU

Year: 25573 Days

Day: 15.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,871,343 km

• M1: 63,429 km (0.086 R)
• M2: 222,901 km (0.102 R)
• M3: 453,132 km (0.088 R)
• M4: 674,238 km (0.103 R)
• M5: 918,381 km (0.072 R)
• M6: 1,339,649 km (0.088 R)
• M7: 2,103,944 km (0.092 R)
• M8: 3,237,148 km (0.063 R)
• M9: 3,439,704 km (0.106 R)
• M10: 3,712,421 km (0.106 R)
• M11: 4,690,791 km (0.118 R)
• M12: 5,580,300 km (0.116 R)
• M13: 5,829,829 km (0.107 R)
• M14: 6,262,167 km (0.068 R)
• M15: 6,623,147 km (0.094 R)
• M16: 7,190,422 km (0.039 R)
• M17: 7,636,822 km (0.117 R)
• M18: 10,211,102 km (0.104 R)
• M19: 10,584,648 km (0.103 R)
• M20: 12,239,649 km (0.057 R)
• M21: 14,521,765 km (0.107 R)
• M22: 16,813,604 km (0.082 R)
• M23: 17,159,624 km (0.081 R)
• M24: 22,306,090 km (0.076 R)
• M25: 28,515,897 km (0.059 R)
• M26: 35,928,173 km (0.104 R)
• M27: 41,944,101 km (0.104 R)
• M28: 54,401,864 km (0.101 R)
• M29: 55,348,370 km (0.119 R)
• M30: 59,844,683 km (0.034 R)
• M31: 64,789,791 km (0.075 R)
• M32: 73,394,660 km (0.078 R)
• M33: 74,550,004 km (0.106 R)
• M34: 83,479,501 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.3

Radius: 4.3

Gravity: 37.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 14.57 AU - 20.79 AU

Year: 26885 Days

Day: 15.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,871,343 km

• M1: 53,406 km (0.118 R)
• M2: 281,842 km (0.115 R)
• M3: 426,504 km (0.071 R)
• M4: 1,647,521 km (0.104 R)
• M5: 2,091,079 km (0.101 R)
• M6: 2,610,034 km (0.107 R)
• M7: 2,818,573 km (0.119 R)
• M8: 3,358,771 km (0.077 R)
• M9: 3,605,907 km (0.113 R)
• M10: 5,309,079 km (0.049 R)
• M11: 5,644,477 km (0.091 R)
• M12: 9,385,770 km (0.12 R)
• M13: 11,725,481 km (0.08 R)
• M14: 22,281,855 km (0.117 R)
• M15: 22,823,100 km (0.077 R)
• M16: 26,256,072 km (0.107 R)
• M17: 26,617,201 km (0.092 R)
• M18: 30,677,736 km (0.1 R)
• M19: 34,553,368 km (0.086 R)
• M20: 44,952,814 km (0.099 R)
• M21: 52,361,948 km (0.049 R)
• M22: 57,256,640 km (0.06 R)
• M23: 57,458,597 km (0.093 R)
• M24: 74,471,615 km (0.053 R)
• M25: 80,136,887 km (0.046 R)
• M26: 85,290,982 km (0.115 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit