🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.61 AU - 0.83 AU

Year: 233 Days

Day: 42.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,051,823 km

• M1: 43,383 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.84 AU - 1.04 AU

Year: 347 Days

Day: 47.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.16 AU - 1.26 AU

Year: 507 Days

Day: 48 Hours

Environment

Temp: -20 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.6 AU - 1.9 AU

Year: 882 Days

Day: 43.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,051,823 km

• M1: 811,419 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.45 AU - 3.41 AU

Year: 1910 Days

Day: 32.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 9.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.1 AU - 11.52 AU

Year: 11700 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,051,823 km

• M1: 119,379 km (0.112 R)
• M2: 636,838 km (0.116 R)
• M3: 1,426,715 km (0.089 R)
• M4: 2,469,711 km (0.075 R)
• M5: 2,770,702 km (0.11 R)
• M6: 3,118,966 km (0.032 R)
• M7: 5,355,005 km (0.093 R)
• M8: 5,724,811 km (0.115 R)
• M9: 7,175,911 km (0.098 R)
• M10: 8,493,120 km (0.036 R)
• M11: 10,840,759 km (0.085 R)
• M12: 12,049,360 km (0.081 R)
• M13: 12,627,407 km (0.076 R)
• M14: 13,345,327 km (0.096 R)
• M15: 15,259,432 km (0.12 R)
• M16: 19,861,960 km (0.096 R)
• M17: 23,754,945 km (0.112 R)
• M18: 25,690,442 km (0.104 R)
• M19: 27,233,993 km (0.037 R)
• M20: 28,838,281 km (0.104 R)
• M21: 29,872,600 km (0.103 R)
• M22: 33,461,005 km (0.085 R)
• M23: 35,770,347 km (0.092 R)
• M24: 43,467,008 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.4

Radius: 6.2

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 12.52 AU - 19.02 AU

Year: 23848 Days

Day: 22.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,051,823 km

• M1: 77,940 km (0.1 R)
• M2: 280,646 km (0.088 R)
• M3: 522,695 km (0.115 R)
• M4: 1,598,154 km (0.05 R)
• M5: 1,973,645 km (0.106 R)
• M6: 2,900,703 km (0.112 R)
• M7: 3,990,074 km (0.12 R)
• M8: 4,430,790 km (0.091 R)
• M9: 5,055,361 km (0.079 R)
• M10: 5,328,975 km (0.09 R)
• M11: 6,569,291 km (0.061 R)
• M12: 6,942,987 km (0.113 R)
• M13: 8,580,335 km (0.072 R)
• M14: 8,913,789 km (0.063 R)
• M15: 9,785,346 km (0.102 R)
• M16: 10,334,670 km (0.065 R)
• M17: 16,663,707 km (0.094 R)
• M18: 19,367,988 km (0.088 R)
• M19: 19,653,570 km (0.09 R)
• M20: 25,971,686 km (0.045 R)
• M21: 27,619,058 km (0.114 R)
• M22: 30,731,741 km (0.085 R)
• M23: 32,305,810 km (0.109 R)
• M24: 35,899,001 km (0.088 R)
• M25: 38,687,206 km (0.073 R)
• M26: 42,731,884 km (0.115 R)
• M27: 46,367,262 km (0.075 R)
• M28: 64,652,460 km (0.113 R)
• M29: 81,146,971 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.9

Radius: 5.8

Gravity: 23.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 16.01 AU - 19.17 AU

Year: 28093 Days

Day: 21 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,051,823 km

• M1: 72,405 km (0.096 R)
• M2: 997,070 km (0.11 R)
• M3: 1,951,953 km (0.066 R)
• M4: 2,359,906 km (0.061 R)
• M5: 2,584,303 km (0.107 R)
• M6: 2,933,764 km (0.105 R)
• M7: 4,102,422 km (0.108 R)
• M8: 5,423,671 km (0.093 R)
• M9: 6,042,408 km (0.103 R)
• M10: 8,696,423 km (0.085 R)
• M11: 10,309,687 km (0.097 R)
• M12: 11,466,378 km (0.058 R)
• M13: 12,259,396 km (0.046 R)
• M14: 14,442,029 km (0.103 R)
• M15: 18,181,676 km (0.057 R)
• M16: 19,059,367 km (0.081 R)
• M17: 21,645,316 km (0.032 R)
• M18: 22,742,018 km (0.116 R)
• M19: 26,997,180 km (0.075 R)
• M20: 28,009,957 km (0.09 R)
• M21: 31,199,982 km (0.089 R)
• M22: 33,312,005 km (0.089 R)
• M23: 34,036,657 km (0.085 R)
• M24: 36,732,710 km (0.054 R)
• M25: 48,201,182 km (0.097 R)
• M26: 56,358,006 km (0.116 R)
• M27: 64,937,593 km (0.112 R)
• M28: 66,523,331 km (0.108 R)
• M29: 67,671,644 km (0.046 R)
• M30: 75,087,659 km (0.098 R)
• M31: 83,292,354 km (0.059 R)
• M32: 83,557,891 km (0.11 R)
• M33: 86,789,205 km (0.058 R)
• M34: 90,382,845 km (0.093 R)
• M35: 99,648,488 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.6

Radius: 3.7

Gravity: 31.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 15.4 AU - 22.58 AU

Year: 31513 Days

Day: 19.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 88,051,823 km

• M1: 46,076 km (0.09 R)
• M2: 201,957 km (0.107 R)
• M3: 1,130,810 km (0.051 R)
• M4: 2,617,364 km (0.088 R)
• M5: 2,984,178 km (0.103 R)
• M6: 3,444,341 km (0.114 R)
• M7: 4,050,213 km (0.086 R)
• M8: 5,848,978 km (0.101 R)
• M9: 6,849,638 km (0.102 R)
• M10: 7,440,998 km (0.082 R)
• M11: 7,749,020 km (0.098 R)
• M12: 8,119,125 km (0.045 R)
• M13: 8,612,200 km (0.095 R)
• M14: 8,780,797 km (0.109 R)
• M15: 9,962,321 km (0.1 R)
• M16: 10,591,080 km (0.106 R)
• M17: 12,853,599 km (0.108 R)
• M18: 14,449,658 km (0.07 R)
• M19: 16,258,446 km (0.047 R)
• M20: 18,120,491 km (0.071 R)
• M21: 19,728,369 km (0.11 R)
• M22: 28,706,036 km (0.098 R)
• M23: 32,485,178 km (0.086 R)
• M24: 33,306,320 km (0.118 R)
• M25: 41,970,131 km (0.101 R)
• M26: 42,131,398 km (0.084 R)
• M27: 42,780,503 km (0.086 R)
• M28: 44,432,512 km (0.117 R)
• M29: 45,443,794 km (0.119 R)
• M30: 47,862,941 km (0.099 R)
• M31: 53,711,919 km (0.092 R)
• M32: 55,633,055 km (0.07 R)
• M33: 58,198,209 km (0.114 R)
• M34: 60,019,563 km (0.078 R)
• M35: 64,416,394 km (0.114 R)
• M36: 70,378,318 km (0.097 R)
• M37: 71,982,007 km (0.049 R)
• M38: 73,375,811 km (0.068 R)
• M39: 73,609,782 km (0.119 R)
• M40: 73,844,351 km (0.113 R)
• M41: 75,024,379 km (0.117 R)
• M42: 80,366,519 km (0.087 R)
• M43: 84,407,158 km (0.056 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 16,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit