🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.75 AU - 1.07 AU

Year: 327 Days

Day: 22.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.93 AU - 1.51 AU

Year: 508 Days

Day: 35.2 Hours

Environment

Temp: -20 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,512,882 km

• M1: 36,651 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.94 AU - 2.92 AU

Year: 1427 Days

Day: 46.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.7 AU - 4.18 AU

Year: 2946 Days

Day: 33.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 11.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.33 AU - 7.97 AU

Year: 7203 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,512,882 km

• M1: 144,362 km (0.059 R)
• M2: 837,299 km (0.119 R)
• M3: 1,713,644 km (0.114 R)
• M4: 2,531,645 km (0.053 R)
• M5: 2,917,308 km (0.084 R)
• M6: 3,593,640 km (0.118 R)
• M7: 3,957,013 km (0.112 R)
• M8: 4,960,366 km (0.083 R)
• M9: 5,506,398 km (0.107 R)
• M10: 12,161,409 km (0.111 R)
• M11: 12,542,136 km (0.088 R)
• M12: 15,057,923 km (0.119 R)
• M13: 15,434,012 km (0.092 R)
• M14: 17,136,286 km (0.079 R)
• M15: 19,770,107 km (0.028 R)
• M16: 20,679,362 km (0.08 R)
• M17: 22,337,206 km (0.074 R)
• M18: 22,744,711 km (0.103 R)
• M19: 23,240,179 km (0.079 R)
• M20: 24,167,386 km (0.033 R)
• M21: 24,596,882 km (0.037 R)
• M22: 25,559,694 km (0.094 R)
• M23: 26,638,594 km (0.073 R)
• M24: 27,560,715 km (0.119 R)
• M25: 30,255,721 km (0.107 R)
• M26: 31,360,950 km (0.106 R)
• M27: 32,492,807 km (0.111 R)
• M28: 33,972,779 km (0.113 R)
• M29: 35,940,739 km (0.099 R)
• M30: 38,331,612 km (0.113 R)
• M31: 39,151,558 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 8

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.42 AU - 9.64 AU

Year: 10223 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,512,882 km

• M1: 99,483 km (0.074 R)
• M2: 454,927 km (0.112 R)
• M3: 822,938 km (0.113 R)
• M4: 1,331,421 km (0.087 R)
• M5: 1,641,537 km (0.107 R)
• M6: 1,897,200 km (0.085 R)
• M7: 3,035,042 km (0.066 R)
• M8: 4,301,238 km (0.081 R)
• M9: 5,814,720 km (0.1 R)
• M10: 6,338,462 km (0.119 R)
• M11: 8,099,827 km (0.038 R)
• M12: 8,469,035 km (0.097 R)
• M13: 8,801,292 km (0.106 R)
• M14: 11,433,167 km (0.101 R)
• M15: 12,016,299 km (0.049 R)
• M16: 12,680,364 km (0.097 R)
• M17: 14,548,543 km (0.097 R)
• M18: 16,593,097 km (0.103 R)
• M19: 17,416,334 km (0.052 R)
• M20: 18,821,806 km (0.087 R)
• M21: 23,676,855 km (0.039 R)
• M22: 25,792,767 km (0.087 R)
• M23: 28,452,169 km (0.053 R)
• M24: 28,983,839 km (0.115 R)
• M25: 37,391,240 km (0.062 R)
• M26: 38,674,042 km (0.083 R)
• M27: 38,934,192 km (0.114 R)
• M28: 39,589,431 km (0.103 R)
• M29: 40,787,261 km (0.102 R)
• M30: 41,735,562 km (0.098 R)
• M31: 52,517,230 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.6

Radius: 4.9

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.16 AU - 15.04 AU

Year: 16849 Days

Day: 17.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 124.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,512,882 km

• M1: 64,177 km (0.088 R)
• M2: 269,575 km (0.087 R)
• M3: 515,813 km (0.096 R)
• M4: 840,590 km (0.066 R)
• M5: 1,453,643 km (0.033 R)
• M6: 3,071,992 km (0.052 R)
• M7: 4,311,710 km (0.108 R)
• M8: 4,541,193 km (0.074 R)
• M9: 5,132,404 km (0.077 R)
• M10: 7,774,003 km (0.103 R)
• M11: 8,064,971 km (0.087 R)
• M12: 9,966,210 km (0.045 R)
• M13: 10,136,901 km (0.025 R)
• M14: 11,637,069 km (0.051 R)
• M15: 13,006,488 km (0.114 R)
• M16: 18,173,897 km (0.093 R)
• M17: 19,296,779 km (0.089 R)
• M18: 22,159,185 km (0.078 R)
• M19: 24,354,234 km (0.105 R)
• M20: 24,664,351 km (0.114 R)
• M21: 29,520,597 km (0.034 R)
• M22: 30,586,631 km (0.079 R)
• M23: 38,218,965 km (0.073 R)
• M24: 42,396,485 km (0.054 R)
• M25: 53,189,972 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 16,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit