🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.55 AU - 0.61 AU

Year: 162 Days

Day: 37.2 Hours

Environment

Temp: 204 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,445,636 km

• M1: 25,132 km (0.087 R)
• M2: 41,139 km (0.032 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.72 AU - 0.74 AU

Year: 229 Days

Day: 14 Hours

Environment

Temp: 119 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,445,636 km

• M1: 459,864 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.28 AU - 1.38 AU

Year: 563 Days

Day: 21 Hours

Environment

Temp: 4 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.22 AU - 1.52 AU

Year: 589 Days

Day: 41.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 12

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.04 AU - 9.05 AU

Year: 8369 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,445,636 km

• M1: 150,495 km (0.057 R)
• M2: 566,826 km (0.097 R)
• M3: 1,142,329 km (0.043 R)
• M4: 1,998,328 km (0.079 R)
• M5: 2,689,919 km (0.091 R)
• M6: 4,280,145 km (0.033 R)
• M7: 5,750,692 km (0.056 R)
• M8: 6,530,396 km (0.104 R)
• M9: 8,134,983 km (0.103 R)
• M10: 9,894,104 km (0.115 R)
• M11: 12,543,632 km (0.081 R)
• M12: 13,913,200 km (0.106 R)
• M13: 15,891,333 km (0.068 R)
• M14: 21,250,976 km (0.074 R)
• M15: 25,338,289 km (0.116 R)
• M16: 33,409,094 km (0.119 R)
• M17: 36,703,538 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.4

Radius: 6.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 12.94 AU - 16.26 AU

Year: 20479 Days

Day: 18.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,445,636 km

• M1: 84,523 km (0.113 R)
• M2: 339,737 km (0.1 R)
• M3: 1,072,318 km (0.096 R)
• M4: 1,633,908 km (0.084 R)
• M5: 2,844,304 km (0.065 R)
• M6: 4,138,027 km (0.115 R)
• M7: 6,351,926 km (0.116 R)
• M8: 6,956,899 km (0.104 R)
• M9: 8,565,076 km (0.046 R)
• M10: 14,372,017 km (0.117 R)
• M11: 15,625,946 km (0.066 R)
• M12: 16,279,539 km (0.091 R)
• M13: 16,501,543 km (0.083 R)
• M14: 17,953,988 km (0.106 R)
• M15: 18,590,228 km (0.081 R)
• M16: 20,246,725 km (0.032 R)
• M17: 21,198,617 km (0.072 R)
• M18: 23,945,682 km (0.051 R)
• M19: 25,903,470 km (0.096 R)
• M20: 26,307,534 km (0.103 R)
• M21: 27,649,426 km (0.081 R)
• M22: 29,253,864 km (0.087 R)
• M23: 30,693,743 km (0.116 R)
• M24: 31,146,127 km (0.106 R)
• M25: 31,488,407 km (0.057 R)
• M26: 32,764,626 km (0.105 R)
• M27: 35,419,839 km (0.069 R)
• M28: 42,959,572 km (0.049 R)
• M29: 43,525,650 km (0.1 R)
• M30: 44,528,105 km (0.098 R)
• M31: 45,399,513 km (0.114 R)
• M32: 53,924,647 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.1

Radius: 5.7

Gravity: 30.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 14.89 AU - 20.61 AU

Year: 27452 Days

Day: 21.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,445,636 km

• M1: 70,909 km (0.116 R)
• M2: 249,080 km (0.054 R)
• M3: 1,166,863 km (0.115 R)
• M4: 1,426,266 km (0.1 R)
• M5: 1,743,713 km (0.084 R)
• M6: 2,084,497 km (0.097 R)
• M7: 3,101,912 km (0.095 R)
• M8: 4,567,821 km (0.085 R)
• M9: 5,385,972 km (0.039 R)
• M10: 6,250,049 km (0.109 R)
• M11: 7,797,041 km (0.114 R)
• M12: 10,035,624 km (0.098 R)
• M13: 10,435,199 km (0.071 R)
• M14: 11,194,857 km (0.101 R)
• M15: 12,065,068 km (0.049 R)
• M16: 15,291,446 km (0.069 R)
• M17: 19,868,991 km (0.119 R)
• M18: 20,392,733 km (0.085 R)
• M19: 23,497,038 km (0.082 R)
• M20: 27,802,465 km (0.063 R)
• M21: 30,346,377 km (0.106 R)
• M22: 36,045,906 km (0.115 R)
• M23: 38,254,270 km (0.086 R)
• M24: 43,462,071 km (0.08 R)
• M25: 48,366,488 km (0.057 R)
• M26: 48,743,773 km (0.117 R)
• M27: 55,256,068 km (0.047 R)
• M28: 59,688,503 km (0.078 R)
• M29: 61,437,602 km (0.1 R)
• M30: 62,102,265 km (0.111 R)
• M31: 63,897,888 km (0.101 R)
• M32: 68,064,338 km (0.052 R)
• M33: 68,775,975 km (0.119 R)
• M34: 76,421,474 km (0.119 R)
• M35: 78,222,931 km (0.087 R)
• M36: 81,643,188 km (0.103 R)
• M37: 86,264,565 km (0.034 R)
• M38: 87,656,274 km (0.059 R)
• M39: 96,322,030 km (0.081 R)
• M40: 100,248,226 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 6.2

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 17.36 AU - 22 AU

Year: 32049 Days

Day: 21.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,445,636 km

• M1: 77,043 km (0.053 R)
• M2: 314,156 km (0.057 R)
• M3: 669,450 km (0.094 R)
• M4: 1,074,113 km (0.056 R)
• M5: 1,316,461 km (0.109 R)
• M6: 1,543,102 km (0.053 R)
• M7: 2,140,297 km (0.069 R)
• M8: 2,455,948 km (0.076 R)
• M9: 2,700,242 km (0.073 R)
• M10: 3,096,975 km (0.058 R)
• M11: 4,006,829 km (0.08 R)
• M12: 6,117,207 km (0.087 R)
• M13: 9,569,177 km (0.099 R)
• M14: 10,679,942 km (0.096 R)
• M15: 12,291,410 km (0.109 R)
• M16: 15,407,833 km (0.096 R)
• M17: 17,815,461 km (0.073 R)
• M18: 19,681,096 km (0.092 R)
• M19: 19,874,526 km (0.092 R)
• M20: 20,363,861 km (0.104 R)
• M21: 23,469,213 km (0.057 R)
• M22: 34,933,945 km (0.075 R)
• M23: 35,934,007 km (0.117 R)
• M24: 36,513,848 km (0.09 R)
• M25: 37,395,279 km (0.12 R)
• M26: 37,841,380 km (0.099 R)
• M27: 39,815,174 km (0.108 R)
• M28: 42,498,661 km (0.094 R)
• M29: 46,660,174 km (0.041 R)
• M30: 53,681,850 km (0.103 R)
• M31: 55,204,157 km (0.103 R)
• M32: 68,655,699 km (0.112 R)
• M33: 72,042,595 km (0.096 R)
• M34: 75,302,631 km (0.103 R)
• M35: 77,690,662 km (0.089 R)
• M36: 80,869,767 km (0.115 R)
• M37: 81,615,512 km (0.043 R)
• M38: 82,115,318 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 19,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit