🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.9 AU

Year: 243 Days

Day: 37.6 Hours

Environment

Temp: 146 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,534,399 km

• M1: 84,074 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.61 AU - 1.01 AU

Year: 273 Days

Day: 15.6 Hours

Environment

Temp: 165 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.74 AU - 1.18 AU

Year: 352 Days

Day: 36.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.98 AU - 1.12 AU

Year: 403 Days

Day: 21.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.38 AU - 1.9 AU

Year: 787 Days

Day: 47.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.9

Radius: 12

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.99 AU - 5.95 AU

Year: 4152 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,534,399 km

• M1: 154,086 km (0.116 R)
• M2: 547,229 km (0.084 R)
• M3: 1,023,848 km (0.06 R)
• M4: 1,667,717 km (0.066 R)
• M5: 2,119,353 km (0.09 R)
• M6: 7,213,161 km (0.036 R)
• M7: 7,662,403 km (0.073 R)
• M8: 9,243,353 km (0.113 R)
• M9: 10,068,385 km (0.069 R)
• M10: 10,498,928 km (0.111 R)
• M11: 13,091,310 km (0.101 R)
• M12: 18,146,970 km (0.109 R)
• M13: 19,638,909 km (0.061 R)
• M14: 20,380,616 km (0.097 R)
• M15: 22,718,232 km (0.113 R)
• M16: 25,387,207 km (0.077 R)
• M17: 27,168,170 km (0.038 R)
• M18: 27,584,202 km (0.063 R)
• M19: 28,173,917 km (0.097 R)
• M20: 28,944,346 km (0.049 R)

Asteroid Belt

Center: 8.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 11.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.55 AU - 14.05 AU

Year: 14235 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,534,399 km

• M1: 145,559 km (0.043 R)
• M2: 543,938 km (0.116 R)
• M3: 911,201 km (0.115 R)
• M4: 1,290,282 km (0.096 R)
• M5: 1,844,542 km (0.092 R)
• M6: 2,960,691 km (0.036 R)
• M7: 4,774,416 km (0.101 R)
• M8: 5,148,560 km (0.113 R)
• M9: 5,579,253 km (0.05 R)
• M10: 5,956,389 km (0.079 R)
• M11: 7,685,591 km (0.103 R)
• M12: 8,740,704 km (0.104 R)
• M13: 10,729,458 km (0.047 R)
• M14: 11,860,418 km (0.069 R)
• M15: 13,333,957 km (0.101 R)
• M16: 16,257,698 km (0.097 R)
• M17: 16,641,267 km (0.074 R)
• M18: 18,818,365 km (0.055 R)
• M19: 21,914,742 km (0.105 R)
• M20: 24,324,315 km (0.047 R)
• M21: 28,873,436 km (0.045 R)
• M22: 31,644,288 km (0.117 R)
• M23: 34,968,203 km (0.049 R)
• M24: 39,614,264 km (0.098 R)
• M25: 40,590,540 km (0.045 R)
• M26: 42,012,767 km (0.075 R)
• M27: 42,590,963 km (0.101 R)
• M28: 43,321,000 km (0.074 R)
• M29: 47,878,200 km (0.104 R)
• M30: 49,145,444 km (0.089 R)
• M31: 49,787,368 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 3

Gravity: 42.89 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 13.96 AU - 19.84 AU

Year: 26035 Days

Day: 15.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,534,399 km

• M1: 40,242 km (0.095 R)
• M2: 332,706 km (0.102 R)
• M3: 474,076 km (0.118 R)
• M4: 636,389 km (0.094 R)
• M5: 1,021,604 km (0.062 R)
• M6: 1,807,741 km (0.111 R)
• M7: 1,921,136 km (0.096 R)
• M8: 2,584,453 km (0.075 R)
• M9: 2,980,738 km (0.096 R)
• M10: 3,986,634 km (0.11 R)
• M11: 7,518,639 km (0.108 R)
• M12: 8,319,437 km (0.026 R)
• M13: 9,913,103 km (0.037 R)
• M14: 15,262,124 km (0.114 R)
• M15: 18,320,952 km (0.103 R)
• M16: 21,275,510 km (0.098 R)
• M17: 23,481,331 km (0.102 R)
• M18: 24,213,911 km (0.094 R)
• M19: 29,051,159 km (0.112 R)
• M20: 30,879,095 km (0.081 R)
• M21: 39,689,512 km (0.073 R)
• M22: 40,578,273 km (0.083 R)
• M23: 43,168,560 km (0.06 R)
• M24: 47,009,784 km (0.066 R)
• M25: 53,188,925 km (0.086 R)
• M26: 58,543,332 km (0.117 R)
• M27: 59,694,188 km (0.047 R)
• M28: 62,637,376 km (0.107 R)
• M29: 68,175,938 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.1

Radius: 3.2

Gravity: 62.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 14.29 AU - 20.65 AU

Year: 27363 Days

Day: 20.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,534,399 km

• M1: 42,336 km (0.094 R)
• M2: 178,919 km (0.112 R)
• M3: 393,891 km (0.086 R)
• M4: 521,797 km (0.072 R)
• M5: 657,483 km (0.116 R)
• M6: 961,914 km (0.117 R)
• M7: 3,009,909 km (0.112 R)
• M8: 4,133,090 km (0.109 R)
• M9: 4,711,884 km (0.091 R)
• M10: 6,345,642 km (0.079 R)
• M11: 7,163,045 km (0.065 R)
• M12: 7,727,927 km (0.046 R)
• M13: 7,994,211 km (0.118 R)
• M14: 8,658,276 km (0.097 R)
• M15: 9,722,066 km (0.052 R)
• M16: 10,477,835 km (0.116 R)
• M17: 17,343,180 km (0.116 R)
• M18: 20,909,594 km (0.073 R)
• M19: 22,592,420 km (0.087 R)
• M20: 23,912,322 km (0.083 R)
• M21: 25,166,551 km (0.058 R)
• M22: 26,344,185 km (0.089 R)
• M23: 33,623,917 km (0.032 R)
• M24: 34,762,356 km (0.079 R)
• M25: 36,073,432 km (0.119 R)
• M26: 38,639,036 km (0.081 R)
• M27: 41,647,598 km (0.049 R)
• M28: 41,973,123 km (0.097 R)
• M29: 42,300,294 km (0.052 R)
• M30: 44,979,143 km (0.097 R)
• M31: 48,483,922 km (0.118 R)
• M32: 48,663,739 km (0.096 R)
• M33: 49,387,643 km (0.107 R)
• M34: 52,166,423 km (0.088 R)
• M35: 52,355,216 km (0.106 R)
• M36: 57,226,272 km (0.059 R)
• M37: 59,256,465 km (0.092 R)
• M38: 59,462,012 km (0.051 R)
• M39: 71,751,178 km (0.043 R)
• M40: 90,440,889 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 18,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit