🌌 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: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.39 AU - 1.91 AU

Year: 794 Days

Day: 37.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,696,886 km

• M1: 215,870 km (0.104 R)
• M2: 794,664 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.63 AU - 5.11 AU

Year: 3423 Days

Day: 35.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 12.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.37 AU - 5.39 AU

Year: 4040 Days

Day: 7.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,696,886 km

• M1: 155,582 km (0.103 R)
• M2: 850,613 km (0.088 R)
• M3: 1,496,727 km (0.092 R)
• M4: 2,013,587 km (0.064 R)
• M5: 3,374,030 km (0.073 R)
• M6: 3,784,527 km (0.102 R)
• M7: 4,205,495 km (0.092 R)
• M8: 4,756,913 km (0.076 R)
• M9: 5,632,509 km (0.12 R)
• M10: 6,866,841 km (0.097 R)
• M11: 7,428,581 km (0.102 R)
• M12: 8,346,963 km (0.037 R)
• M13: 8,910,348 km (0.03 R)
• M14: 10,366,833 km (0.046 R)
• M15: 11,559,128 km (0.048 R)
• M16: 14,694,700 km (0.113 R)
• M17: 15,911,828 km (0.111 R)
• M18: 16,779,496 km (0.03 R)
• M19: 17,195,078 km (0.117 R)
• M20: 17,861,986 km (0.101 R)
• M21: 18,295,371 km (0.035 R)
• M22: 18,735,637 km (0.091 R)
• M23: 20,839,731 km (0.093 R)
• M24: 22,232,188 km (0.12 R)
• M25: 22,661,684 km (0.059 R)
• M26: 24,816,791 km (0.109 R)
• M27: 26,141,779 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 11

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.82 AU - 6.52 AU

Year: 5059 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,696,886 km

• M1: 137,032 km (0.105 R)
• M2: 636,090 km (0.056 R)
• M3: 996,621 km (0.076 R)
• M4: 1,561,802 km (0.093 R)
• M5: 2,033,484 km (0.029 R)
• M6: 2,645,638 km (0.11 R)
• M7: 3,038,632 km (0.109 R)
• M8: 3,565,516 km (0.051 R)
• M9: 4,005,333 km (0.115 R)
• M10: 6,336,667 km (0.106 R)
• M11: 6,833,481 km (0.073 R)
• M12: 7,515,049 km (0.098 R)
• M13: 8,005,431 km (0.094 R)
• M14: 8,692,235 km (0.076 R)
• M15: 9,643,378 km (0.102 R)
• M16: 11,969,774 km (0.085 R)
• M17: 13,333,808 km (0.092 R)
• M18: 15,104,299 km (0.08 R)
• M19: 16,531,462 km (0.116 R)
• M20: 17,026,482 km (0.113 R)
• M21: 18,571,528 km (0.066 R)
• M22: 19,713,259 km (0.12 R)
• M23: 20,837,637 km (0.103 R)
• M24: 21,221,804 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.7

Radius: 5.1

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 15.82 AU - 16.3 AU

Year: 24118 Days

Day: 18.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,696,886 km

• M1: 67,917 km (0.074 R)
• M2: 790,475 km (0.088 R)
• M3: 1,840,054 km (0.098 R)
• M4: 2,587,894 km (0.08 R)
• M5: 5,738,425 km (0.103 R)
• M6: 6,737,738 km (0.11 R)
• M7: 12,249,373 km (0.094 R)
• M8: 14,667,772 km (0.043 R)
• M9: 18,286,245 km (0.107 R)
• M10: 21,594,453 km (0.09 R)
• M11: 24,810,208 km (0.112 R)
• M12: 28,229,118 km (0.087 R)
• M13: 32,618,320 km (0.074 R)
• M14: 42,450,041 km (0.099 R)
• M15: 42,718,270 km (0.067 R)
• M16: 43,122,783 km (0.1 R)
• M17: 47,887,475 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.8

Radius: 7

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 14.08 AU - 18.04 AU

Year: 24118 Days

Day: 24.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,696,886 km

• M1: 162,613 km (0.096 R)
• M2: 396,734 km (0.099 R)
• M3: 807,529 km (0.102 R)
• M4: 1,158,636 km (0.072 R)
• M5: 1,415,944 km (0.111 R)
• M6: 2,169,618 km (0.118 R)
• M7: 2,658,653 km (0.086 R)
• M8: 3,356,677 km (0.073 R)
• M9: 3,979,303 km (0.108 R)
• M10: 4,435,577 km (0.092 R)
• M11: 5,072,714 km (0.094 R)
• M12: 5,609,172 km (0.11 R)
• M13: 6,056,769 km (0.118 R)
• M14: 7,398,662 km (0.089 R)
• M15: 7,937,065 km (0.08 R)
• M16: 9,202,064 km (0.09 R)
• M17: 9,882,585 km (0.102 R)
• M18: 13,796,813 km (0.082 R)
• M19: 14,015,825 km (0.114 R)
• M20: 15,069,592 km (0.117 R)
• M21: 17,164,710 km (0.064 R)
• M22: 17,674,540 km (0.089 R)
• M23: 18,457,984 km (0.038 R)
• M24: 20,565,219 km (0.098 R)
• M25: 22,022,751 km (0.076 R)
• M26: 23,966,177 km (0.09 R)
• M27: 28,073,686 km (0.092 R)
• M28: 29,986,744 km (0.098 R)
• M29: 38,221,508 km (0.108 R)
• M30: 39,382,836 km (0.116 R)
• M31: 47,511,237 km (0.116 R)
• M32: 48,011,641 km (0.111 R)
• M33: 49,022,773 km (0.062 R)
• M34: 50,048,267 km (0.041 R)
• M35: 59,734,879 km (0.109 R)
• M36: 60,708,312 km (0.054 R)
• M37: 65,529,103 km (0.117 R)
• M38: 69,736,394 km (0.119 R)
• M39: 74,793,251 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 16,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit