🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.79 AU - 1.03 AU

Year: 374 Days

Day: 20.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.76 AU - 2.66 AU

Year: 1414 Days

Day: 30.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.25 AU - 2.33 AU

Year: 1492 Days

Day: 13.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 9.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.9 AU - 3.22 AU

Year: 2304 Days

Day: 12.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,477,498 km

• M1: 116,986 km (0.101 R)
• M2: 741,108 km (0.054 R)
• M3: 1,064,838 km (0.085 R)
• M4: 1,986,211 km (0.094 R)
• M5: 3,277,989 km (0.056 R)
• M6: 3,660,660 km (0.111 R)
• M7: 3,985,287 km (0.036 R)
• M8: 4,468,788 km (0.113 R)
• M9: 5,463,165 km (0.044 R)
• M10: 6,826,450 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.1

Radius: 14.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.83 AU - 4.15 AU

Year: 2806 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,477,498 km

• M1: 183,856 km (0.054 R)
• M2: 697,425 km (0.098 R)
• M3: 1,234,332 km (0.079 R)
• M4: 2,290,493 km (0.038 R)
• M5: 2,820,069 km (0.086 R)
• M6: 3,967,934 km (0.042 R)
• M7: 4,924,762 km (0.092 R)
• M8: 6,193,501 km (0.091 R)
• M9: 7,083,609 km (0.088 R)
• M10: 8,801,740 km (0.119 R)
• M11: 9,299,004 km (0.087 R)
• M12: 10,156,499 km (0.03 R)
• M13: 10,904,338 km (0.095 R)
• M14: 12,957,719 km (0.105 R)
• M15: 14,708,163 km (0.097 R)
• M16: 17,931,250 km (0.113 R)
• M17: 19,319,667 km (0.109 R)
• M18: 21,281,045 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.26 AU - 4.68 AU

Year: 4068 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,477,498 km

• M1: 174,282 km (0.099 R)
• M2: 785,838 km (0.099 R)
• M3: 1,757,625 km (0.099 R)
• M4: 2,838,021 km (0.067 R)
• M5: 4,383,966 km (0.056 R)
• M6: 4,890,354 km (0.064 R)
• M7: 5,747,999 km (0.081 R)
• M8: 6,595,471 km (0.092 R)
• M9: 8,191,979 km (0.111 R)
• M10: 10,285,901 km (0.115 R)
• M11: 11,262,625 km (0.099 R)
• M12: 14,109,922 km (0.092 R)
• M13: 15,894,923 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 9.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.61 AU - 6.71 AU

Year: 6581 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,477,498 km

• M1: 140,173 km (0.09 R)
• M2: 1,330,075 km (0.028 R)
• M3: 2,529,700 km (0.066 R)
• M4: 3,609,497 km (0.113 R)
• M5: 4,710,687 km (0.111 R)
• M6: 5,493,982 km (0.092 R)
• M7: 7,848,503 km (0.064 R)
• M8: 8,481,002 km (0.055 R)
• M9: 8,790,221 km (0.087 R)
• M10: 10,896,709 km (0.088 R)
• M11: 11,495,250 km (0.091 R)
• M12: 13,423,267 km (0.088 R)
• M13: 15,615,175 km (0.114 R)
• M14: 17,908,810 km (0.09 R)
• M15: 20,075,436 km (0.083 R)
• M16: 21,328,168 km (0.095 R)
• M17: 23,078,613 km (0.073 R)
• M18: 24,530,610 km (0.099 R)
• M19: 27,784,962 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 9.7

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.73 AU - 7.21 AU

Year: 7921 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 61.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,477,498 km

• M1: 120,725 km (0.087 R)
• M2: 612,603 km (0.091 R)
• M3: 1,172,548 km (0.11 R)
• M4: 1,552,975 km (0.108 R)
• M5: 1,872,367 km (0.086 R)
• M6: 2,379,803 km (0.09 R)
• M7: 3,572,248 km (0.094 R)
• M8: 4,056,197 km (0.11 R)
• M9: 4,641,573 km (0.115 R)
• M10: 5,031,425 km (0.109 R)
• M11: 5,640,588 km (0.09 R)
• M12: 6,155,504 km (0.052 R)
• M13: 6,479,383 km (0.036 R)
• M14: 7,724,636 km (0.082 R)
• M15: 9,735,979 km (0.075 R)
• M16: 10,427,271 km (0.107 R)
• M17: 11,963,043 km (0.028 R)
• M18: 14,196,389 km (0.096 R)
• M19: 14,699,786 km (0.06 R)
• M20: 15,477,246 km (0.097 R)
• M21: 17,468,992 km (0.109 R)
• M22: 17,901,480 km (0.073 R)
• M23: 19,625,894 km (0.118 R)
• M24: 22,373,858 km (0.111 R)
• M25: 26,110,214 km (0.055 R)
• M26: 30,449,899 km (0.119 R)
• M27: 30,762,259 km (0.096 R)
• M28: 33,448,588 km (0.059 R)
• M29: 43,749,000 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.7

Radius: 3.5

Gravity: 63.24 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 11.19 AU - 11.79 AU

Year: 16765 Days

Day: 22.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,477,498 km

• M1: 43,533 km (0.103 R)
• M2: 205,547 km (0.118 R)
• M3: 414,536 km (0.083 R)
• M4: 1,540,559 km (0.116 R)
• M5: 1,708,557 km (0.077 R)
• M6: 2,224,072 km (0.11 R)
• M7: 6,678,199 km (0.108 R)
• M8: 8,029,367 km (0.105 R)
• M9: 9,608,222 km (0.113 R)
• M10: 9,890,065 km (0.101 R)
• M11: 10,235,486 km (0.069 R)
• M12: 11,072,786 km (0.059 R)
• M13: 11,257,988 km (0.093 R)
• M14: 12,280,788 km (0.048 R)
• M15: 19,208,516 km (0.1 R)
• M16: 20,201,098 km (0.045 R)
• M17: 22,484,560 km (0.049 R)
• M18: 28,817,038 km (0.081 R)
• M19: 29,167,546 km (0.111 R)
• M20: 30,476,677 km (0.111 R)
• M21: 30,962,421 km (0.084 R)
• M22: 31,824,553 km (0.087 R)
• M23: 33,985,046 km (0.092 R)
• M24: 35,167,318 km (0.119 R)
• M25: 35,567,492 km (0.065 R)
• M26: 37,752,967 km (0.101 R)
• M27: 39,020,809 km (0.096 R)
• M28: 42,238,959 km (0.117 R)
• M29: 42,842,437 km (0.083 R)
• M30: 45,313,943 km (0.078 R)
• M31: 48,699,792 km (0.103 R)
• M32: 49,530,060 km (0.034 R)
• M33: 51,048,329 km (0.047 R)
• M34: 55,969,650 km (0.106 R)
• M35: 59,861,588 km (0.103 R)
• M36: 67,560,493 km (0.063 R)
• M37: 67,766,190 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit