🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.65 AU - 0.73 AU

Year: 264 Days

Day: 30.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,048,145 km

• M1: 53,257 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.95 AU - 1.57 AU

Year: 651 Days

Day: 22.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 12.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.14 AU - 3.38 AU

Year: 2110 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 79.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,048,145 km

• M1: 151,692 km (0.12 R)
• M2: 558,150 km (0.09 R)
• M3: 1,191,098 km (0.117 R)
• M4: 1,627,774 km (0.058 R)
• M5: 2,572,635 km (0.031 R)
• M6: 3,135,123 km (0.103 R)
• M7: 4,302,584 km (0.104 R)
• M8: 5,283,647 km (0.116 R)
• M9: 7,359,467 km (0.056 R)
• M10: 7,838,480 km (0.084 R)
• M11: 8,338,286 km (0.048 R)
• M12: 8,859,336 km (0.09 R)
• M13: 9,332,962 km (0.109 R)
• M14: 9,966,659 km (0.097 R)
• M15: 10,591,380 km (0.083 R)
• M16: 11,125,444 km (0.108 R)
• M17: 12,371,894 km (0.09 R)
• M18: 13,311,518 km (0.114 R)
• M19: 14,621,995 km (0.096 R)
• M20: 16,977,563 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 8.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.37 AU - 5.05 AU

Year: 3975 Days

Day: 7.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,048,145 km

• M1: 108,458 km (0.044 R)
• M2: 408,552 km (0.026 R)
• M3: 685,906 km (0.09 R)
• M4: 1,016,518 km (0.095 R)
• M5: 1,333,815 km (0.066 R)
• M6: 1,648,718 km (0.116 R)
• M7: 2,062,805 km (0.072 R)
• M8: 2,856,721 km (0.101 R)
• M9: 6,794,735 km (0.098 R)
• M10: 7,812,599 km (0.111 R)
• M11: 9,342,387 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 13.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.44 AU - 4.64 AU

Year: 4451 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,048,145 km

• M1: 168,597 km (0.077 R)
• M2: 616,194 km (0.108 R)
• M3: 2,446,823 km (0.091 R)
• M4: 2,915,812 km (0.095 R)
• M5: 4,083,274 km (0.067 R)
• M6: 4,551,665 km (0.039 R)
• M7: 5,597,653 km (0.06 R)
• M8: 7,771,011 km (0.093 R)
• M9: 8,911,545 km (0.119 R)
• M10: 11,661,902 km (0.068 R)
• M11: 12,177,865 km (0.11 R)
• M12: 12,955,624 km (0.072 R)
• M13: 13,611,611 km (0.104 R)
• M14: 14,078,805 km (0.074 R)
• M15: 14,772,491 km (0.086 R)
• M16: 16,112,887 km (0.119 R)
• M17: 19,228,413 km (0.101 R)
• M18: 19,685,434 km (0.048 R)
• M19: 20,688,937 km (0.046 R)
• M20: 21,656,087 km (0.067 R)
• M21: 22,870,822 km (0.071 R)
• M22: 23,755,244 km (0.112 R)
• M23: 24,205,983 km (0.097 R)
• M24: 27,276,180 km (0.066 R)
• M25: 27,853,478 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 10.7

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.43 AU - 5.57 AU

Year: 5936 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,048,145 km

• M1: 133,142 km (0.062 R)
• M2: 524,191 km (0.078 R)
• M3: 1,060,051 km (0.088 R)
• M4: 1,394,402 km (0.113 R)
• M5: 2,002,966 km (0.096 R)
• M6: 2,706,375 km (0.058 R)
• M7: 3,177,908 km (0.085 R)
• M8: 4,312,607 km (0.082 R)
• M9: 5,364,729 km (0.11 R)
• M10: 5,792,878 km (0.072 R)
• M11: 6,752,698 km (0.091 R)
• M12: 10,040,261 km (0.109 R)
• M13: 10,931,715 km (0.067 R)
• M14: 11,421,797 km (0.107 R)
• M15: 12,926,303 km (0.099 R)
• M16: 16,515,156 km (0.072 R)
• M17: 17,423,814 km (0.107 R)
• M18: 18,093,114 km (0.05 R)
• M19: 19,913,421 km (0.101 R)
• M20: 25,077,540 km (0.11 R)
• M21: 25,844,678 km (0.068 R)
• M22: 28,331,144 km (0.095 R)
• M23: 30,779,164 km (0.083 R)
• M24: 32,154,118 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40

Radius: 4.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.68 AU - 12.54 AU

Year: 14793 Days

Day: 16.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,048,145 km

• M1: 56,249 km (0.027 R)
• M2: 210,933 km (0.118 R)
• M3: 1,266,196 km (0.11 R)
• M4: 1,574,518 km (0.052 R)
• M5: 1,815,071 km (0.096 R)
• M6: 2,192,806 km (0.105 R)
• M7: 3,158,011 km (0.115 R)
• M8: 3,521,534 km (0.057 R)
• M9: 4,085,368 km (0.112 R)
• M10: 5,002,852 km (0.118 R)
• M11: 5,496,375 km (0.058 R)
• M12: 8,353,246 km (0.027 R)
• M13: 9,121,431 km (0.111 R)
• M14: 11,224,627 km (0.111 R)
• M15: 14,028,540 km (0.103 R)
• M16: 20,707,487 km (0.036 R)
• M17: 22,175,640 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 4.7

Gravity: 44.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 9.11 AU - 13.39 AU

Year: 17364 Days

Day: 17.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,048,145 km

• M1: 59,091 km (0.116 R)
• M2: 207,193 km (0.12 R)
• M3: 354,547 km (0.094 R)
• M4: 513,270 km (0.032 R)
• M5: 1,177,485 km (0.066 R)
• M6: 1,662,780 km (0.049 R)
• M7: 2,101,700 km (0.063 R)
• M8: 3,016,791 km (0.052 R)
• M9: 3,606,954 km (0.098 R)
• M10: 5,355,305 km (0.101 R)
• M11: 6,302,558 km (0.032 R)
• M12: 8,416,825 km (0.096 R)
• M13: 9,066,379 km (0.091 R)
• M14: 13,754,627 km (0.031 R)
• M15: 13,976,031 km (0.063 R)
• M16: 14,274,778 km (0.101 R)
• M17: 14,730,902 km (0.064 R)
• M18: 15,118,361 km (0.057 R)
• M19: 16,321,427 km (0.031 R)
• M20: 23,305,403 km (0.113 R)
• M21: 24,257,744 km (0.092 R)
• M22: 25,567,473 km (0.104 R)
• M23: 25,790,374 km (0.09 R)
• M24: 27,736,642 km (0.028 R)
• M25: 28,685,541 km (0.116 R)
• M26: 31,151,961 km (0.081 R)
• M27: 36,361,408 km (0.047 R)
• M28: 39,245,206 km (0.114 R)
• M29: 39,839,559 km (0.027 R)
• M30: 43,059,503 km (0.113 R)
• M31: 43,217,030 km (0.081 R)
• M32: 46,283,188 km (0.079 R)
• M33: 50,359,730 km (0.095 R)
• M34: 51,769,839 km (0.088 R)
• M35: 53,206,278 km (0.078 R)
• M36: 56,912,864 km (0.086 R)
• M37: 60,788,048 km (0.094 R)
• M38: 63,195,526 km (0.071 R)
• M39: 69,707,671 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 15,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit