🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.54 AU - 0.74 AU

Year: 184 Days

Day: 15.8 Hours

Environment

Temp: 212 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,913,461 km

• M1: 50,265 km (0.099 R)
• M2: 378,034 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.08 AU

Year: 344 Days

Day: 39.9 Hours

Environment

Temp: 106 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,913,461 km

• M1: 24,983 km (0.088 R)
• M2: 201,508 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.13 AU - 1.25 AU

Year: 467 Days

Day: 17.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.21 AU - 4.95 AU

Year: 3528 Days

Day: 37.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.86 AU - 6.18 AU

Year: 4048 Days

Day: 35.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.7

Radius: 8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.28 AU - 8.34 AU

Year: 8621 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,913,461 km

• M1: 99,931 km (0.117 R)
• M2: 369,507 km (0.045 R)
• M3: 645,664 km (0.101 R)
• M4: 1,191,248 km (0.073 R)
• M5: 1,957,039 km (0.109 R)
• M6: 2,388,928 km (0.117 R)
• M7: 2,997,493 km (0.059 R)
• M8: 3,422,350 km (0.109 R)
• M9: 3,705,240 km (0.083 R)
• M10: 4,418,074 km (0.104 R)
• M11: 4,861,033 km (0.085 R)
• M12: 5,896,550 km (0.066 R)
• M13: 6,764,816 km (0.076 R)
• M14: 7,424,991 km (0.084 R)
• M15: 7,715,660 km (0.105 R)
• M16: 8,051,507 km (0.087 R)
• M17: 8,319,586 km (0.047 R)
• M18: 11,338,172 km (0.075 R)
• M19: 11,821,822 km (0.088 R)
• M20: 16,199,804 km (0.079 R)
• M21: 16,504,684 km (0.103 R)
• M22: 16,813,454 km (0.094 R)
• M23: 26,767,697 km (0.089 R)
• M24: 27,798,725 km (0.119 R)
• M25: 28,412,376 km (0.112 R)
• M26: 30,123,326 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 9.5

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.02 AU - 9.64 AU

Year: 10256 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,913,461 km

• M1: 120,426 km (0.1 R)
• M2: 426,055 km (0.112 R)
• M3: 746,045 km (0.066 R)
• M4: 1,117,197 km (0.078 R)
• M5: 1,656,348 km (0.08 R)
• M6: 2,154,509 km (0.099 R)
• M7: 2,459,539 km (0.026 R)
• M8: 2,771,749 km (0.108 R)
• M9: 3,157,861 km (0.045 R)
• M10: 3,528,266 km (0.071 R)
• M11: 4,038,993 km (0.119 R)
• M12: 5,010,182 km (0.063 R)
• M13: 6,018,173 km (0.111 R)
• M14: 7,031,998 km (0.113 R)
• M15: 9,903,977 km (0.107 R)
• M16: 10,646,880 km (0.097 R)
• M17: 11,713,962 km (0.109 R)
• M18: 19,576,976 km (0.111 R)
• M19: 26,486,303 km (0.043 R)
• M20: 26,788,192 km (0.106 R)
• M21: 31,148,221 km (0.101 R)
• M22: 32,393,923 km (0.115 R)
• M23: 33,437,518 km (0.079 R)
• M24: 39,123,882 km (0.102 R)
• M25: 40,840,518 km (0.114 R)
• M26: 41,378,771 km (0.084 R)
• M27: 42,606,970 km (0.04 R)
• M28: 46,583,281 km (0.086 R)
• M29: 49,876,080 km (0.061 R)
• M30: 50,800,445 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142

Radius: 3.2

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 11.92 AU - 15.2 AU

Year: 17971 Days

Day: 19.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,913,461 km

• M1: 41,738 km (0.095 R)
• M2: 192,832 km (0.048 R)
• M3: 365,019 km (0.076 R)
• M4: 750,832 km (0.096 R)
• M5: 1,115,252 km (0.112 R)
• M6: 1,299,856 km (0.082 R)
• M7: 1,504,506 km (0.117 R)
• M8: 1,866,832 km (0.088 R)
• M9: 2,266,707 km (0.108 R)
• M10: 2,375,016 km (0.039 R)
• M11: 3,077,378 km (0.097 R)
• M12: 3,559,831 km (0.116 R)
• M13: 4,501,101 km (0.107 R)
• M14: 5,629,517 km (0.085 R)
• M15: 9,455,184 km (0.042 R)
• M16: 9,595,207 km (0.102 R)
• M17: 13,921,578 km (0.103 R)
• M18: 14,470,303 km (0.099 R)
• M19: 15,288,154 km (0.115 R)
• M20: 16,136,225 km (0.089 R)
• M21: 16,269,516 km (0.091 R)
• M22: 17,431,593 km (0.101 R)
• M23: 20,615,634 km (0.045 R)
• M24: 22,220,370 km (0.096 R)
• M25: 27,911,971 km (0.114 R)
• M26: 28,393,526 km (0.12 R)
• M27: 28,782,930 km (0.092 R)
• M28: 29,671,840 km (0.098 R)
• M29: 31,504,264 km (0.103 R)
• M30: 31,816,774 km (0.074 R)
• M31: 34,281,998 km (0.103 R)
• M32: 34,392,102 km (0.086 R)
• M33: 34,834,313 km (0.107 R)
• M34: 35,956,746 km (0.11 R)
• M35: 39,831,181 km (0.072 R)
• M36: 39,952,655 km (0.103 R)
• M37: 40,564,211 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.7

Radius: 4.6

Gravity: 25.79 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.69 AU - 18.83 AU

Year: 21454 Days

Day: 15.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,913,461 km

• M1: 57,296 km (0.12 R)
• M2: 306,526 km (0.033 R)
• M3: 571,763 km (0.068 R)
• M4: 822,339 km (0.092 R)
• M5: 1,015,770 km (0.033 R)
• M6: 1,953,299 km (0.106 R)
• M7: 2,278,824 km (0.065 R)
• M8: 2,454,751 km (0.104 R)
• M9: 3,678,163 km (0.041 R)
• M10: 4,999,860 km (0.113 R)
• M11: 5,451,197 km (0.116 R)
• M12: 8,587,666 km (0.092 R)
• M13: 9,569,028 km (0.099 R)
• M14: 9,912,056 km (0.108 R)
• M15: 10,086,636 km (0.1 R)
• M16: 10,622,795 km (0.115 R)
• M17: 15,302,965 km (0.118 R)
• M18: 16,656,825 km (0.08 R)
• M19: 18,789,792 km (0.053 R)
• M20: 21,874,949 km (0.103 R)
• M21: 26,379,640 km (0.103 R)
• M22: 29,985,547 km (0.114 R)
• M23: 33,906,507 km (0.115 R)
• M24: 37,307,166 km (0.025 R)
• M25: 37,588,709 km (0.082 R)
• M26: 39,745,162 km (0.116 R)
• M27: 39,891,768 km (0.116 R)
• M28: 44,145,584 km (0.101 R)
• M29: 60,040,806 km (0.037 R)
• M30: 67,463,853 km (0.116 R)
• M31: 67,672,542 km (0.073 R)
• M32: 68,301,152 km (0.105 R)
• M33: 72,155,092 km (0.093 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit