🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.47 AU - 0.67 AU

Year: 183 Days

Day: 21.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,593,494 km

• M1: 28,723 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.49 AU - 0.73 AU

Year: 202 Days

Day: 46.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 42.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.94 AU - 0.94 AU

Year: 387 Days

Day: 22.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,593,494 km

• M1: 36,203 km (0.036 R)
• M2: 457,021 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.2 AU - 1.44 AU

Year: 644 Days

Day: 18.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 8.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.61 AU - 3.75 AU

Year: 2408 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,593,494 km

• M1: 109,506 km (0.113 R)
• M2: 483,949 km (0.047 R)
• M3: 1,043,595 km (0.097 R)
• M4: 2,098,260 km (0.086 R)
• M5: 2,854,477 km (0.076 R)
• M6: 4,244,092 km (0.049 R)
• M7: 4,985,947 km (0.104 R)
• M8: 5,352,612 km (0.075 R)
• M9: 6,348,934 km (0.077 R)
• M10: 8,350,553 km (0.086 R)
• M11: 9,374,102 km (0.052 R)
• M12: 10,077,361 km (0.107 R)
• M13: 10,740,080 km (0.085 R)
• M14: 11,668,484 km (0.094 R)
• M15: 12,988,237 km (0.117 R)
• M16: 14,086,584 km (0.049 R)
• M17: 15,824,014 km (0.076 R)
• M18: 16,317,089 km (0.116 R)
• M19: 17,178,922 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.9

Radius: 3.9

Gravity: 60.48 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.93 AU - 11.01 AU

Year: 15427 Days

Day: 24.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,593,494 km

• M1: 48,470 km (0.094 R)
• M2: 233,971 km (0.102 R)
• M3: 401,371 km (0.099 R)
• M4: 540,198 km (0.106 R)
• M5: 820,544 km (0.069 R)
• M6: 1,073,514 km (0.115 R)
• M7: 1,499,868 km (0.071 R)
• M8: 2,253,842 km (0.111 R)
• M9: 2,426,178 km (0.067 R)
• M10: 3,231,912 km (0.084 R)
• M11: 3,622,363 km (0.118 R)
• M12: 4,266,232 km (0.07 R)
• M13: 4,875,843 km (0.103 R)
• M14: 5,658,240 km (0.06 R)
• M15: 6,350,280 km (0.078 R)
• M16: 7,006,267 km (0.053 R)
• M17: 7,515,199 km (0.116 R)
• M18: 8,710,336 km (0.091 R)
• M19: 12,978,064 km (0.1 R)
• M20: 13,602,486 km (0.118 R)
• M21: 14,392,662 km (0.109 R)
• M22: 16,301,082 km (0.069 R)
• M23: 18,200,077 km (0.085 R)
• M24: 19,966,828 km (0.088 R)
• M25: 23,837,074 km (0.025 R)
• M26: 29,106,061 km (0.082 R)
• M27: 32,891,785 km (0.058 R)
• M28: 34,704,013 km (0.085 R)
• M29: 38,951,546 km (0.056 R)
• M30: 40,684,487 km (0.088 R)
• M31: 41,273,454 km (0.078 R)
• M32: 41,421,556 km (0.037 R)
• M33: 46,190,886 km (0.096 R)
• M34: 49,621,614 km (0.038 R)
• M35: 49,957,012 km (0.113 R)
• M36: 51,656,294 km (0.049 R)
• M37: 62,668,194 km (0.119 R)
• M38: 67,478,064 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.7

Radius: 7.1

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.5 AU - 12.52 AU

Year: 15512 Days

Day: 19 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,593,494 km

• M1: 89,011 km (0.095 R)
• M2: 342,729 km (0.113 R)
• M3: 813,364 km (0.061 R)
• M4: 1,661,584 km (0.068 R)
• M5: 2,104,393 km (0.064 R)
• M6: 2,806,755 km (0.09 R)
• M7: 3,517,196 km (0.091 R)
• M8: 7,001,480 km (0.086 R)
• M9: 8,103,118 km (0.099 R)
• M10: 10,937,848 km (0.116 R)
• M11: 12,223,792 km (0.101 R)
• M12: 12,479,754 km (0.103 R)
• M13: 12,804,680 km (0.107 R)
• M14: 15,685,935 km (0.096 R)
• M15: 16,761,245 km (0.115 R)
• M16: 17,077,345 km (0.115 R)
• M17: 18,381,539 km (0.072 R)
• M18: 21,003,691 km (0.09 R)
• M19: 23,175,403 km (0.093 R)
• M20: 26,760,815 km (0.11 R)
• M21: 28,292,847 km (0.111 R)
• M22: 31,530,893 km (0.118 R)
• M23: 31,771,297 km (0.094 R)
• M24: 32,499,539 km (0.075 R)
• M25: 35,136,501 km (0.102 R)
• M26: 36,440,845 km (0.09 R)
• M27: 37,372,989 km (0.091 R)
• M28: 41,548,116 km (0.116 R)
• M29: 48,537,478 km (0.102 R)
• M30: 52,140,991 km (0.094 R)
• M31: 52,645,884 km (0.087 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: 275 - 13,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit