🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.61 AU - 0.69 AU

Year: 338 Days

Day: 19.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 9.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.84 AU

Year: 370 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,040,691 km

• M1: 120,725 km (0.039 R)
• M2: 494,571 km (0.107 R)
• M3: 983,606 km (0.11 R)
• M4: 1,335,610 km (0.111 R)
• M5: 2,532,243 km (0.107 R)
• M6: 2,846,099 km (0.063 R)
• M7: 3,207,378 km (0.057 R)
• M8: 3,622,662 km (0.099 R)
• M9: 4,813,162 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 12.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.65 AU - 0.83 AU

Year: 411 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,040,691 km

• M1: 150,495 km (0.087 R)
• M2: 755,768 km (0.079 R)
• M3: 1,137,692 km (0.099 R)
• M4: 1,563,298 km (0.107 R)
• M5: 2,060,411 km (0.089 R)
• M6: 2,705,777 km (0.069 R)
• M7: 3,100,715 km (0.094 R)
• M8: 3,513,605 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 14.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.91 AU - 1.41 AU

Year: 807 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,040,691 km

• M1: 178,470 km (0.059 R)
• M2: 742,903 km (0.032 R)
• M3: 1,199,925 km (0.034 R)
• M4: 1,656,796 km (0.043 R)
• M5: 2,405,683 km (0.097 R)
• M6: 3,238,644 km (0.109 R)
• M7: 4,022,388 km (0.107 R)
• M8: 4,487,487 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 13.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.93 AU - 1.41 AU

Year: 817 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,040,691 km

• M1: 171,589 km (0.086 R)
• M2: 829,969 km (0.105 R)
• M3: 1,344,436 km (0.094 R)
• M4: 2,074,324 km (0.112 R)
• M5: 2,503,969 km (0.109 R)
• M6: 3,392,431 km (0.094 R)
• M7: 4,042,733 km (0.113 R)
• M8: 5,136,592 km (0.067 R)
• M9: 6,593,377 km (0.094 R)
• M10: 7,323,115 km (0.031 R)
• M11: 8,106,260 km (0.1 R)
• M12: 9,497,221 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 9.9

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.89 AU - 2.41 AU

Year: 2036 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,040,691 km

• M1: 123,119 km (0.107 R)
• M2: 466,297 km (0.037 R)
• M3: 1,569,132 km (0.032 R)
• M4: 2,001,470 km (0.118 R)
• M5: 2,360,056 km (0.097 R)
• M6: 2,899,955 km (0.111 R)
• M7: 3,361,913 km (0.063 R)
• M8: 4,912,644 km (0.112 R)
• M9: 6,129,174 km (0.084 R)
• M10: 7,006,865 km (0.094 R)
• M11: 8,155,328 km (0.119 R)
• M12: 8,575,698 km (0.101 R)
• M13: 9,672,400 km (0.071 R)
• M14: 9,997,177 km (0.109 R)
• M15: 12,393,735 km (0.093 R)
• M16: 13,478,469 km (0.086 R)
• M17: 17,641,179 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.8

Radius: 5.4

Gravity: 32.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.21 AU - 9.29 AU

Year: 13931 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,040,691 km

• M1: 69,563 km (0.1 R)
• M2: 318,793 km (0.055 R)
• M3: 734,974 km (0.113 R)
• M4: 938,278 km (0.117 R)
• M5: 1,205,310 km (0.054 R)
• M6: 1,460,524 km (0.118 R)
• M7: 1,633,908 km (0.025 R)
• M8: 1,929,065 km (0.068 R)
• M9: 2,741,531 km (0.083 R)
• M10: 3,369,991 km (0.11 R)
• M11: 4,469,685 km (0.115 R)
• M12: 4,838,294 km (0.071 R)
• M13: 5,299,654 km (0.112 R)
• M14: 6,268,749 km (0.096 R)
• M15: 9,711,894 km (0.117 R)
• M16: 12,405,104 km (0.108 R)
• M17: 13,267,237 km (0.119 R)
• M18: 15,861,862 km (0.095 R)
• M19: 17,197,023 km (0.071 R)
• M20: 18,099,846 km (0.107 R)
• M21: 18,861,748 km (0.108 R)
• M22: 19,910,429 km (0.082 R)
• M23: 23,388,281 km (0.117 R)
• M24: 23,786,959 km (0.095 R)
• M25: 31,035,724 km (0.057 R)
• M26: 31,759,628 km (0.109 R)
• M27: 32,618,320 km (0.084 R)
• M28: 34,382,079 km (0.108 R)
• M29: 35,417,894 km (0.11 R)
• M30: 38,650,106 km (0.103 R)
• M31: 40,910,829 km (0.072 R)
• M32: 41,344,364 km (0.116 R)
• M33: 48,702,933 km (0.091 R)
• M34: 52,349,232 km (0.102 R)
• M35: 52,519,025 km (0.087 R)
• M36: 59,622,231 km (0.072 R)
• M37: 60,739,877 km (0.095 R)
• M38: 62,442,750 km (0.119 R)

Asteroid Belt

Center: 8.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.6

Radius: 4.5

Gravity: 23.98 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.9 AU - 9.72 AU

Year: 18342 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,040,691 km

• M1: 64,028 km (0.093 R)
• M2: 243,097 km (0.106 R)
• M3: 429,196 km (0.096 R)
• M4: 631,752 km (0.089 R)
• M5: 784,790 km (0.092 R)
• M6: 974,032 km (0.063 R)
• M7: 1,962,126 km (0.099 R)
• M8: 2,132,966 km (0.043 R)
• M9: 2,376,362 km (0.111 R)
• M10: 2,846,548 km (0.117 R)
• M11: 3,594,687 km (0.095 R)
• M12: 3,735,908 km (0.04 R)
• M13: 4,596,245 km (0.086 R)
• M14: 5,286,490 km (0.081 R)
• M15: 6,365,539 km (0.118 R)
• M16: 6,913,366 km (0.079 R)
• M17: 7,537,638 km (0.117 R)
• M18: 10,759,528 km (0.066 R)
• M19: 11,781,132 km (0.104 R)
• M20: 14,436,943 km (0.116 R)
• M21: 15,453,310 km (0.096 R)
• M22: 16,829,162 km (0.093 R)
• M23: 17,066,125 km (0.074 R)
• M24: 22,476,332 km (0.047 R)
• M25: 26,089,420 km (0.064 R)
• M26: 34,566,383 km (0.085 R)
• M27: 41,181,302 km (0.104 R)
• M28: 41,900,120 km (0.096 R)
• M29: 44,708,670 km (0.066 R)
• M30: 46,856,447 km (0.115 R)
• M31: 47,325,586 km (0.087 R)
• M32: 48,272,989 km (0.063 R)
• M33: 49,233,108 km (0.067 R)
• M34: 50,369,154 km (0.049 R)
• M35: 55,436,184 km (0.08 R)
• M36: 57,554,639 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit