🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.89 AU - 0.93 AU

Year: 308 Days

Day: 29.9 Hours

Environment

Temp: 102 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.03 AU - 1.29 AU

Year: 443 Days

Day: 34.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.02 AU - 1.54 AU

Year: 514 Days

Day: 38 Hours

Environment

Temp: 23 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,673,773 km

• M1: 43,832 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.63 AU - 4.19 AU

Year: 2234 Days

Day: 45 Hours

Environment

Temp: -101 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,673,773 km

• M1: 26,180 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.31 AU - 5.15 AU

Year: 3086 Days

Day: 23.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 143.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 14.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.96 AU - 10.5 AU

Year: 9948 Days

Day: 7.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,673,773 km

• M1: 182,958 km (0.039 R)
• M2: 773,571 km (0.082 R)
• M3: 1,311,973 km (0.08 R)
• M4: 1,841,251 km (0.099 R)
• M5: 2,514,291 km (0.053 R)
• M6: 3,421,902 km (0.114 R)
• M7: 5,166,213 km (0.094 R)
• M8: 5,851,072 km (0.087 R)
• M9: 6,442,133 km (0.115 R)
• M10: 9,119,187 km (0.03 R)
• M11: 9,662,078 km (0.058 R)
• M12: 10,437,294 km (0.083 R)
• M13: 11,592,040 km (0.1 R)
• M14: 12,891,297 km (0.093 R)
• M15: 13,960,324 km (0.039 R)
• M16: 18,599,054 km (0.086 R)
• M17: 19,718,047 km (0.061 R)
• M18: 27,092,025 km (0.056 R)
• M19: 28,321,270 km (0.082 R)
• M20: 39,397,946 km (0.111 R)
• M21: 41,644,606 km (0.113 R)
• M22: 44,395,562 km (0.034 R)
• M23: 45,529,214 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 11.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 12.71 AU - 12.89 AU

Year: 16246 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,673,773 km

• M1: 258,655 km (0.091 R)
• M2: 800,199 km (0.112 R)
• M3: 1,215,782 km (0.052 R)
• M4: 2,428,871 km (0.088 R)
• M5: 3,332,293 km (0.103 R)
• M6: 3,751,765 km (0.084 R)
• M7: 4,236,013 km (0.08 R)
• M8: 4,924,762 km (0.068 R)
• M9: 6,020,566 km (0.111 R)
• M10: 6,485,965 km (0.096 R)
• M11: 7,229,317 km (0.108 R)
• M12: 9,387,865 km (0.111 R)
• M13: 10,504,014 km (0.092 R)
• M14: 10,951,761 km (0.074 R)
• M15: 11,529,508 km (0.092 R)
• M16: 14,112,914 km (0.078 R)
• M17: 15,647,788 km (0.089 R)
• M18: 18,475,786 km (0.094 R)
• M19: 20,310,005 km (0.067 R)
• M20: 21,271,321 km (0.108 R)
• M21: 22,909,568 km (0.081 R)
• M22: 24,435,017 km (0.104 R)
• M23: 27,056,720 km (0.039 R)
• M24: 27,793,340 km (0.062 R)
• M25: 28,435,414 km (0.119 R)
• M26: 30,988,750 km (0.042 R)
• M27: 32,971,520 km (0.034 R)
• M28: 35,161,783 km (0.113 R)
• M29: 36,165,734 km (0.094 R)
• M30: 36,674,816 km (0.077 R)
• M31: 39,024,998 km (0.068 R)
• M32: 44,458,542 km (0.071 R)
• M33: 48,194,899 km (0.117 R)
• M34: 53,935,717 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.1

Radius: 7.6

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 12.76 AU - 17.84 AU

Year: 21231 Days

Day: 16.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,673,773 km

• M1: 96,191 km (0.057 R)
• M2: 338,690 km (0.056 R)
• M3: 1,064,688 km (0.109 R)
• M4: 1,406,968 km (0.081 R)
• M5: 1,913,506 km (0.1 R)
• M6: 2,272,242 km (0.094 R)
• M7: 2,581,910 km (0.057 R)
• M8: 3,286,516 km (0.066 R)
• M9: 5,219,171 km (0.116 R)
• M10: 9,488,395 km (0.063 R)
• M11: 11,334,432 km (0.102 R)
• M12: 13,764,500 km (0.099 R)
• M13: 15,331,687 km (0.108 R)
• M14: 17,180,717 km (0.114 R)
• M15: 17,601,536 km (0.1 R)
• M16: 18,463,818 km (0.099 R)
• M17: 19,173,660 km (0.066 R)
• M18: 20,272,456 km (0.1 R)
• M19: 23,304,207 km (0.112 R)
• M20: 27,075,569 km (0.116 R)
• M21: 27,645,687 km (0.112 R)
• M22: 29,523,439 km (0.048 R)
• M23: 44,630,580 km (0.109 R)
• M24: 52,659,498 km (0.099 R)
• M25: 54,445,247 km (0.037 R)
• M26: 57,948,680 km (0.117 R)
• M27: 69,355,667 km (0.082 R)
• M28: 70,636,973 km (0.1 R)
• M29: 71,283,385 km (0.095 R)
• M30: 72,588,328 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 6.4

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 14.71 AU - 21.07 AU

Year: 26844 Days

Day: 17.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,673,773 km

• M1: 79,586 km (0.118 R)
• M2: 533,017 km (0.115 R)
• M3: 980,315 km (0.095 R)
• M4: 1,782,010 km (0.046 R)
• M5: 2,079,410 km (0.056 R)
• M6: 2,432,910 km (0.05 R)
• M7: 2,723,728 km (0.099 R)
• M8: 3,010,508 km (0.088 R)
• M9: 3,259,887 km (0.071 R)
• M10: 4,329,961 km (0.059 R)
• M11: 5,175,189 km (0.116 R)
• M12: 10,215,889 km (0.109 R)
• M13: 10,653,912 km (0.052 R)
• M14: 16,584,869 km (0.044 R)
• M15: 20,240,742 km (0.118 R)
• M16: 21,332,956 km (0.091 R)
• M17: 22,568,784 km (0.041 R)
• M18: 22,885,033 km (0.07 R)
• M19: 23,311,238 km (0.032 R)
• M20: 23,851,585 km (0.083 R)
• M21: 24,510,863 km (0.081 R)
• M22: 34,637,891 km (0.104 R)
• M23: 35,767,804 km (0.054 R)
• M24: 39,456,887 km (0.073 R)
• M25: 43,229,596 km (0.105 R)
• M26: 46,042,933 km (0.093 R)
• M27: 47,753,436 km (0.118 R)
• M28: 48,800,022 km (0.115 R)
• M29: 49,861,569 km (0.108 R)
• M30: 50,938,524 km (0.085 R)
• M31: 53,886,200 km (0.038 R)
• M32: 55,020,302 km (0.106 R)
• M33: 57,531,900 km (0.11 R)
• M34: 63,617,392 km (0.066 R)
• M35: 70,118,168 km (0.114 R)
• M36: 72,151,352 km (0.089 R)
• M37: 77,286,449 km (0.102 R)
• M38: 81,912,763 km (0.089 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit