🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.29 AU - 2.01 AU

Year: 807 Days

Day: 43 Hours

Environment

Temp: -61 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.49 AU - 1.99 AU

Year: 874 Days

Day: 42.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.94 AU - 3.02 AU

Year: 1487 Days

Day: 25 Hours

Environment

Temp: -103 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.33 AU - 4.33 AU

Year: 2854 Days

Day: 39 Hours

Environment

Temp: -124 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 10.3

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.87 AU - 6.13 AU

Year: 5597 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,505,541 km

• M1: 128,056 km (0.056 R)
• M2: 746,045 km (0.115 R)
• M3: 1,313,170 km (0.04 R)
• M4: 1,643,333 km (0.113 R)
• M5: 2,892,475 km (0.115 R)
• M6: 4,103,470 km (0.102 R)
• M7: 4,609,410 km (0.084 R)
• M8: 5,071,667 km (0.078 R)
• M9: 5,715,686 km (0.084 R)
• M10: 6,579,763 km (0.072 R)
• M11: 7,131,480 km (0.09 R)
• M12: 9,056,505 km (0.077 R)
• M13: 9,871,664 km (0.117 R)
• M14: 13,409,056 km (0.049 R)
• M15: 13,737,423 km (0.097 R)
• M16: 14,870,926 km (0.115 R)
• M17: 15,520,480 km (0.035 R)
• M18: 16,561,232 km (0.102 R)
• M19: 18,308,984 km (0.112 R)
• M20: 18,781,414 km (0.08 R)
• M21: 20,319,580 km (0.115 R)
• M22: 20,899,271 km (0.089 R)
• M23: 22,859,452 km (0.031 R)
• M24: 26,968,307 km (0.098 R)
• M25: 28,650,835 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 9.6

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.57 AU - 6.47 AU

Year: 5625 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,505,541 km

• M1: 119,379 km (0.116 R)
• M2: 441,463 km (0.047 R)
• M3: 792,869 km (0.1 R)
• M4: 1,216,679 km (0.088 R)
• M5: 1,666,819 km (0.092 R)
• M6: 2,308,146 km (0.081 R)
• M7: 3,272,753 km (0.118 R)
• M8: 4,076,841 km (0.095 R)
• M9: 4,673,437 km (0.111 R)
• M10: 5,238,618 km (0.118 R)
• M11: 5,976,136 km (0.081 R)
• M12: 6,573,630 km (0.088 R)
• M13: 7,506,223 km (0.11 R)
• M14: 8,362,222 km (0.105 R)
• M15: 9,677,187 km (0.053 R)
• M16: 10,978,838 km (0.088 R)
• M17: 12,981,355 km (0.105 R)
• M18: 14,097,505 km (0.065 R)
• M19: 14,620,200 km (0.031 R)
• M20: 17,562,491 km (0.049 R)
• M21: 20,213,066 km (0.114 R)
• M22: 21,557,203 km (0.069 R)
• M23: 22,095,755 km (0.109 R)
• M24: 25,688,198 km (0.051 R)
• M25: 26,119,639 km (0.102 R)
• M26: 26,731,644 km (0.079 R)
• M27: 28,810,306 km (0.027 R)
• M28: 29,276,154 km (0.091 R)
• M29: 32,276,638 km (0.112 R)
• M30: 32,577,629 km (0.118 R)
• M31: 33,491,373 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 11.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.63 AU - 10.57 AU

Year: 11327 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,505,541 km

• M1: 144,212 km (0.098 R)
• M2: 593,904 km (0.063 R)
• M3: 1,365,978 km (0.105 R)
• M4: 2,591,484 km (0.093 R)
• M5: 2,990,910 km (0.086 R)
• M6: 4,755,716 km (0.053 R)
• M7: 5,422,175 km (0.104 R)
• M8: 6,254,089 km (0.109 R)
• M9: 6,719,188 km (0.034 R)
• M10: 7,719,250 km (0.091 R)
• M11: 9,775,323 km (0.112 R)
• M12: 11,793,399 km (0.108 R)
• M13: 13,834,811 km (0.056 R)
• M14: 16,035,545 km (0.03 R)
• M15: 19,270,599 km (0.082 R)
• M16: 22,170,255 km (0.05 R)
• M17: 22,749,947 km (0.073 R)
• M18: 24,112,634 km (0.096 R)
• M19: 26,166,014 km (0.03 R)
• M20: 27,852,431 km (0.091 R)
• M21: 28,722,342 km (0.086 R)
• M22: 31,130,419 km (0.083 R)
• M23: 32,489,666 km (0.097 R)
• M24: 32,915,720 km (0.106 R)
• M25: 37,851,702 km (0.113 R)
• M26: 39,762,665 km (0.074 R)
• M27: 40,250,205 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 9.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.17 AU - 10.95 AU

Year: 13067 Days

Day: 13.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,505,541 km

• M1: 123,119 km (0.075 R)
• M2: 546,631 km (0.093 R)
• M3: 869,612 km (0.084 R)
• M4: 1,639,144 km (0.025 R)
• M5: 2,642,347 km (0.114 R)
• M6: 3,009,909 km (0.103 R)
• M7: 3,716,460 km (0.046 R)
• M8: 5,059,550 km (0.065 R)
• M9: 5,876,952 km (0.092 R)
• M10: 6,393,065 km (0.115 R)
• M11: 6,740,581 km (0.107 R)
• M12: 8,765,538 km (0.054 R)
• M13: 9,390,558 km (0.101 R)
• M14: 12,133,434 km (0.102 R)
• M15: 14,761,420 km (0.077 R)
• M16: 16,856,389 km (0.076 R)
• M17: 18,669,365 km (0.103 R)
• M18: 20,442,100 km (0.102 R)
• M19: 22,236,527 km (0.04 R)
• M20: 23,126,933 km (0.073 R)
• M21: 23,948,375 km (0.113 R)
• M22: 26,827,536 km (0.1 R)
• M23: 32,238,491 km (0.087 R)
• M24: 32,577,779 km (0.057 R)
• M25: 36,713,711 km (0.106 R)
• M26: 37,207,534 km (0.116 R)
• M27: 42,664,415 km (0.075 R)
• M28: 46,153,636 km (0.104 R)
• M29: 49,828,508 km (0.114 R)
• M30: 51,351,563 km (0.076 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 17,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit