🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.42 AU - 0.6 AU

Year: 134 Days

Day: 20.1 Hours

Environment

Temp: 242 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 59,866,714 km

• M1: 133,142 km (0.05 R)
• M2: 168,298 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.25 AU - 1.53 AU

Year: 605 Days

Day: 35.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.61 AU - 1.73 AU

Year: 796 Days

Day: 27.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.66 AU - 4.34 AU

Year: 2416 Days

Day: 17.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,866,714 km

• M1: 73,901 km (0.106 R)
• M2: 791,822 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.4 AU - 4.76 AU

Year: 3616 Days

Day: 34.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,866,714 km

• M1: 74,649 km (0.095 R)

Asteroid Belt

Center: 9.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.2

Radius: 3.8

Gravity: 26.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 12.21 AU - 16.43 AU

Year: 19994 Days

Day: 18.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 59,866,714 km

• M1: 47,273 km (0.036 R)
• M2: 216,169 km (0.045 R)
• M3: 698,921 km (0.096 R)
• M4: 832,811 km (0.112 R)
• M5: 1,140,235 km (0.055 R)
• M6: 1,549,984 km (0.102 R)
• M7: 1,849,628 km (0.049 R)
• M8: 2,167,075 km (0.114 R)
• M9: 2,721,335 km (0.078 R)
• M10: 3,553,847 km (0.111 R)
• M11: 3,865,609 km (0.026 R)
• M12: 4,164,506 km (0.067 R)
• M13: 4,319,639 km (0.108 R)
• M14: 5,442,371 km (0.112 R)
• M15: 6,704,229 km (0.045 R)
• M16: 9,046,333 km (0.115 R)
• M17: 9,734,184 km (0.074 R)
• M18: 10,007,798 km (0.118 R)
• M19: 13,432,094 km (0.063 R)
• M20: 15,627,293 km (0.057 R)
• M21: 16,848,759 km (0.114 R)
• M22: 17,084,675 km (0.066 R)
• M23: 17,402,571 km (0.083 R)
• M24: 20,355,034 km (0.119 R)
• M25: 21,716,524 km (0.067 R)
• M26: 21,995,973 km (0.1 R)
• M27: 24,118,618 km (0.089 R)
• M28: 24,318,031 km (0.112 R)
• M29: 25,538,152 km (0.103 R)
• M30: 30,710,199 km (0.084 R)
• M31: 34,352,159 km (0.07 R)
• M32: 36,801,675 km (0.101 R)
• M33: 38,952,593 km (0.047 R)
• M34: 39,641,491 km (0.072 R)
• M35: 42,333,804 km (0.032 R)
• M36: 46,674,087 km (0.12 R)
• M37: 47,295,068 km (0.117 R)
• M38: 49,191,071 km (0.113 R)
• M39: 52,295,676 km (0.067 R)
• M40: 53,641,159 km (0.064 R)
• M41: 59,072,609 km (0.094 R)
• M42: 60,715,493 km (0.111 R)
• M43: 62,764,385 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 6.4

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 14.23 AU - 15.83 AU

Year: 21499 Days

Day: 20.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,866,714 km

• M1: 79,586 km (0.118 R)
• M2: 374,294 km (0.107 R)
• M3: 576,401 km (0.117 R)
• M4: 940,223 km (0.049 R)
• M5: 1,773,632 km (0.062 R)
• M6: 2,010,147 km (0.115 R)
• M7: 2,801,370 km (0.063 R)
• M8: 3,047,159 km (0.111 R)
• M9: 3,725,436 km (0.046 R)
• M10: 3,992,767 km (0.09 R)
• M11: 4,369,305 km (0.091 R)
• M12: 4,734,773 km (0.101 R)
• M13: 5,013,324 km (0.09 R)
• M14: 5,302,796 km (0.109 R)
• M15: 6,659,349 km (0.052 R)
• M16: 7,371,734 km (0.108 R)
• M17: 8,635,836 km (0.099 R)
• M18: 10,675,005 km (0.044 R)
• M19: 11,774,549 km (0.088 R)
• M20: 13,150,251 km (0.116 R)
• M21: 22,626,678 km (0.045 R)
• M22: 24,535,248 km (0.051 R)
• M23: 28,555,391 km (0.044 R)
• M24: 29,947,998 km (0.067 R)
• M25: 30,303,143 km (0.029 R)
• M26: 37,870,551 km (0.075 R)
• M27: 38,147,008 km (0.091 R)
• M28: 41,571,154 km (0.119 R)
• M29: 42,013,066 km (0.07 R)
• M30: 43,357,652 km (0.092 R)
• M31: 43,964,271 km (0.105 R)
• M32: 47,723,815 km (0.088 R)
• M33: 48,208,363 km (0.071 R)
• M34: 50,345,967 km (0.076 R)
• M35: 60,090,174 km (0.08 R)
• M36: 61,795,589 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.9

Radius: 4

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 15.05 AU - 20.41 AU

Year: 27545 Days

Day: 17.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,866,714 km

• M1: 51,312 km (0.107 R)
• M2: 500,106 km (0.034 R)
• M3: 876,644 km (0.113 R)
• M4: 1,664,875 km (0.095 R)
• M5: 2,817,377 km (0.096 R)
• M6: 4,263,539 km (0.099 R)
• M7: 5,573,568 km (0.111 R)
• M8: 7,526,867 km (0.098 R)
• M9: 11,720,694 km (0.106 R)
• M10: 12,148,394 km (0.042 R)
• M11: 13,165,061 km (0.11 R)
• M12: 15,221,434 km (0.073 R)
• M13: 15,365,796 km (0.069 R)
• M14: 19,108,136 km (0.096 R)
• M15: 21,914,442 km (0.083 R)
• M16: 23,128,878 km (0.095 R)
• M17: 24,983,443 km (0.114 R)
• M18: 27,358,159 km (0.093 R)
• M19: 27,678,598 km (0.076 R)
• M20: 31,253,838 km (0.098 R)
• M21: 32,670,230 km (0.088 R)
• M22: 37,964,050 km (0.097 R)
• M23: 42,361,180 km (0.111 R)
• M24: 42,646,763 km (0.104 R)
• M25: 46,476,767 km (0.114 R)
• M26: 49,101,163 km (0.098 R)
• M27: 51,497,421 km (0.095 R)
• M28: 52,149,369 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 20,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit