🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 44.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 313 Days

Day: 25.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,411,640 km

• M1: 49,966 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 9.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.89 AU - 1.99 AU

Year: 1773 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,411,640 km

• M1: 116,986 km (0.09 R)
• M2: 449,542 km (0.107 R)
• M3: 1,164,619 km (0.067 R)
• M4: 1,628,522 km (0.088 R)
• M5: 1,957,039 km (0.071 R)
• M6: 2,477,341 km (0.058 R)
• M7: 4,053,055 km (0.099 R)
• M8: 5,022,001 km (0.076 R)
• M9: 5,572,072 km (0.072 R)
• M10: 6,375,263 km (0.116 R)
• M11: 7,599,871 km (0.117 R)
• M12: 8,296,698 km (0.111 R)
• M13: 9,311,869 km (0.108 R)
• M14: 11,731,764 km (0.119 R)
• M15: 12,396,727 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 12.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.81 AU - 2.23 AU

Year: 1883 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,411,640 km

• M1: 152,440 km (0.101 R)
• M2: 550,969 km (0.051 R)
• M3: 1,399,787 km (0.12 R)
• M4: 1,901,389 km (0.056 R)
• M5: 2,941,094 km (0.11 R)
• M6: 3,762,386 km (0.06 R)
• M7: 4,184,851 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 14.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.25 AU - 2.31 AU

Year: 2258 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,411,640 km

• M1: 316,998 km (0.109 R)
• M2: 791,522 km (0.111 R)
• M3: 1,280,857 km (0.084 R)
• M4: 1,875,808 km (0.109 R)
• M5: 2,496,938 km (0.087 R)
• M6: 3,391,533 km (0.08 R)
• M7: 4,576,648 km (0.108 R)
• M8: 5,277,364 km (0.09 R)
• M9: 5,766,848 km (0.074 R)
• M10: 6,894,667 km (0.118 R)
• M11: 7,694,417 km (0.118 R)
• M12: 10,698,492 km (0.103 R)
• M13: 15,523,023 km (0.061 R)
• M14: 16,124,406 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 11.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.2 AU - 4.38 AU

Year: 5829 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,411,640 km

• M1: 139,276 km (0.113 R)
• M2: 527,931 km (0.094 R)
• M3: 1,037,461 km (0.068 R)
• M4: 2,675,708 km (0.107 R)
• M5: 3,170,577 km (0.113 R)
• M6: 4,039,143 km (0.067 R)
• M7: 4,718,766 km (0.097 R)
• M8: 6,120,797 km (0.09 R)
• M9: 8,449,737 km (0.102 R)
• M10: 9,686,462 km (0.082 R)
• M11: 11,362,407 km (0.073 R)
• M12: 12,074,643 km (0.106 R)
• M13: 13,431,196 km (0.118 R)
• M14: 13,905,272 km (0.111 R)
• M15: 14,335,964 km (0.049 R)
• M16: 14,775,482 km (0.096 R)
• M17: 18,494,037 km (0.107 R)
• M18: 19,081,059 km (0.101 R)
• M19: 19,546,308 km (0.106 R)
• M20: 24,624,109 km (0.053 R)

Asteroid Belt

Center: 5.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.5

Radius: 7.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.03 AU - 6.83 AU

Year: 9473 Days

Day: 21.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,411,640 km

• M1: 89,908 km (0.036 R)
• M2: 348,264 km (0.068 R)
• M3: 580,440 km (0.104 R)
• M4: 1,187,358 km (0.116 R)
• M5: 1,877,154 km (0.086 R)
• M6: 2,686,030 km (0.058 R)
• M7: 3,064,213 km (0.081 R)
• M8: 3,477,253 km (0.092 R)
• M9: 4,295,254 km (0.115 R)
• M10: 4,686,153 km (0.076 R)
• M11: 5,208,100 km (0.105 R)
• M12: 5,973,144 km (0.078 R)
• M13: 6,586,645 km (0.101 R)
• M14: 7,309,202 km (0.109 R)
• M15: 7,795,695 km (0.102 R)
• M16: 8,119,724 km (0.115 R)
• M17: 9,835,312 km (0.107 R)
• M18: 10,299,365 km (0.044 R)
• M19: 10,645,833 km (0.093 R)
• M20: 12,302,480 km (0.093 R)
• M21: 14,769,199 km (0.092 R)
• M22: 15,321,814 km (0.07 R)
• M23: 19,059,367 km (0.052 R)
• M24: 21,486,892 km (0.105 R)
• M25: 22,484,261 km (0.082 R)
• M26: 23,586,647 km (0.066 R)
• M27: 23,811,343 km (0.084 R)
• M28: 25,819,246 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.3

Radius: 7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.16 AU - 7.7 AU

Year: 10696 Days

Day: 23.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,411,640 km

• M1: 87,216 km (0.089 R)
• M2: 352,602 km (0.037 R)
• M3: 1,126,771 km (0.099 R)
• M4: 1,635,554 km (0.112 R)
• M5: 1,894,657 km (0.099 R)
• M6: 2,287,950 km (0.042 R)
• M7: 2,647,733 km (0.115 R)
• M8: 3,297,586 km (0.09 R)
• M9: 5,095,154 km (0.083 R)
• M10: 5,856,457 km (0.066 R)
• M11: 7,188,028 km (0.087 R)
• M12: 9,181,719 km (0.062 R)
• M13: 9,921,032 km (0.071 R)
• M14: 10,348,582 km (0.112 R)
• M15: 11,194,558 km (0.108 R)
• M16: 12,475,116 km (0.093 R)
• M17: 13,227,145 km (0.068 R)
• M18: 14,330,429 km (0.081 R)
• M19: 14,601,799 km (0.067 R)
• M20: 15,267,360 km (0.062 R)
• M21: 16,718,759 km (0.1 R)
• M22: 17,508,636 km (0.117 R)
• M23: 20,504,034 km (0.112 R)
• M24: 21,835,156 km (0.085 R)
• M25: 24,129,089 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.2

Radius: 4.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.66 AU - 9.88 AU

Year: 17038 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,411,640 km

• M1: 277,504 km (0.117 R)
• M2: 686,355 km (0.079 R)
• M3: 2,826,951 km (0.06 R)
• M4: 4,898,732 km (0.074 R)
• M5: 5,311,622 km (0.093 R)
• M6: 12,544,829 km (0.104 R)
• M7: 15,134,368 km (0.118 R)
• M8: 17,312,214 km (0.097 R)
• M9: 17,581,340 km (0.116 R)
• M10: 19,472,257 km (0.101 R)
• M11: 21,417,030 km (0.084 R)
• M12: 24,996,907 km (0.109 R)
• M13: 31,282,112 km (0.073 R)
• M14: 35,973,800 km (0.08 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 16,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit