🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.44 AU - 0.56 AU

Year: 232 Days

Day: 23.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.42 AU - 0.64 AU

Year: 253 Days

Day: 41.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,381,500 km

• M1: 30,668 km (0.11 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 8.6

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.05 AU - 1.25 AU

Year: 809 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,381,500 km

• M1: 106,962 km (0.098 R)
• M2: 410,347 km (0.112 R)
• M3: 702,960 km (0.106 R)
• M4: 1,134,251 km (0.109 R)
• M5: 1,450,651 km (0.074 R)
• M6: 1,910,664 km (0.087 R)
• M7: 2,592,980 km (0.111 R)
• M8: 3,218,299 km (0.109 R)
• M9: 3,972,123 km (0.105 R)
• M10: 4,606,717 km (0.046 R)
• M11: 5,249,539 km (0.119 R)
• M12: 6,466,817 km (0.116 R)
• M13: 7,106,198 km (0.12 R)
• M14: 7,787,018 km (0.094 R)
• M15: 8,273,211 km (0.062 R)
• M16: 9,054,411 km (0.051 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 9.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.94 AU - 4.42 AU

Year: 4631 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,381,500 km

• M1: 117,734 km (0.079 R)
• M2: 659,876 km (0.108 R)
• M3: 1,631,963 km (0.098 R)
• M4: 2,428,123 km (0.092 R)
• M5: 3,238,794 km (0.106 R)
• M6: 3,664,101 km (0.085 R)
• M7: 5,168,008 km (0.06 R)
• M8: 10,726,766 km (0.034 R)
• M9: 12,440,260 km (0.032 R)
• M10: 14,286,148 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.6

Radius: 12.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.1 AU - 5.94 AU

Year: 7378 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,381,500 km

• M1: 155,283 km (0.053 R)
• M2: 731,234 km (0.117 R)
• M3: 2,623,797 km (0.109 R)
• M4: 3,409,635 km (0.031 R)
• M5: 5,902,534 km (0.093 R)
• M6: 10,259,272 km (0.09 R)
• M7: 12,199,407 km (0.07 R)
• M8: 15,670,826 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 12.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.81 AU - 6.91 AU

Year: 9306 Days

Day: 9.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,381,500 km

• M1: 150,495 km (0.087 R)
• M2: 536,757 km (0.077 R)
• M3: 949,348 km (0.058 R)
• M4: 1,621,791 km (0.119 R)
• M5: 2,760,380 km (0.03 R)
• M6: 3,413,524 km (0.116 R)
• M7: 4,018,199 km (0.115 R)
• M8: 5,657,343 km (0.096 R)
• M9: 7,820,378 km (0.091 R)
• M10: 8,540,243 km (0.081 R)
• M11: 9,523,700 km (0.107 R)
• M12: 10,298,168 km (0.115 R)
• M13: 10,821,312 km (0.106 R)
• M14: 11,412,223 km (0.113 R)
• M15: 12,712,378 km (0.111 R)
• M16: 13,148,606 km (0.063 R)
• M17: 14,576,817 km (0.077 R)
• M18: 15,115,518 km (0.116 R)
• M19: 15,605,451 km (0.028 R)
• M20: 16,232,865 km (0.117 R)
• M21: 19,769,957 km (0.11 R)
• M22: 21,795,363 km (0.092 R)
• M23: 25,905,564 km (0.111 R)
• M24: 28,978,604 km (0.089 R)
• M25: 29,355,441 km (0.084 R)
• M26: 30,408,610 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.6

Radius: 5.1

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.26 AU - 8.1 AU

Year: 11326 Days

Day: 19 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,381,500 km

• M1: 87,814 km (0.054 R)
• M2: 258,954 km (0.054 R)
• M3: 476,170 km (0.109 R)
• M4: 664,364 km (0.06 R)
• M5: 1,076,207 km (0.081 R)
• M6: 2,310,090 km (0.086 R)
• M7: 2,682,589 km (0.08 R)
• M8: 3,070,347 km (0.075 R)
• M9: 4,013,860 km (0.113 R)
• M10: 4,709,640 km (0.1 R)
• M11: 6,067,839 km (0.105 R)
• M12: 6,259,025 km (0.068 R)
• M13: 6,533,537 km (0.058 R)
• M14: 8,446,146 km (0.118 R)
• M15: 9,075,804 km (0.067 R)
• M16: 9,478,521 km (0.065 R)
• M17: 10,482,622 km (0.05 R)
• M18: 11,849,947 km (0.045 R)
• M19: 12,331,053 km (0.119 R)
• M20: 13,984,409 km (0.093 R)
• M21: 14,453,697 km (0.098 R)
• M22: 15,352,781 km (0.116 R)
• M23: 16,435,869 km (0.07 R)
• M24: 17,414,987 km (0.113 R)
• M25: 23,456,946 km (0.083 R)
• M26: 24,214,510 km (0.078 R)
• M27: 28,890,191 km (0.118 R)
• M28: 29,980,610 km (0.079 R)
• M29: 30,872,513 km (0.092 R)
• M30: 36,724,632 km (0.056 R)
• M31: 38,784,744 km (0.069 R)
• M32: 44,989,465 km (0.094 R)
• M33: 51,032,471 km (0.053 R)
• M34: 52,302,707 km (0.078 R)
• M35: 55,071,614 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.2

Radius: 5.6

Gravity: 23.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.76 AU - 10.1 AU

Year: 17506 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,381,500 km

• M1: 69,713 km (0.085 R)
• M2: 252,970 km (0.069 R)
• M3: 465,100 km (0.062 R)
• M4: 892,800 km (0.083 R)
• M5: 1,092,962 km (0.061 R)
• M6: 1,411,755 km (0.114 R)
• M7: 2,073,127 km (0.119 R)
• M8: 4,107,509 km (0.115 R)
• M9: 5,818,908 km (0.082 R)
• M10: 7,056,232 km (0.037 R)
• M11: 8,205,144 km (0.118 R)
• M12: 8,408,148 km (0.12 R)
• M13: 9,473,734 km (0.107 R)
• M14: 10,096,659 km (0.078 R)
• M15: 10,271,240 km (0.041 R)
• M16: 11,677,161 km (0.11 R)
• M17: 11,934,170 km (0.061 R)
• M18: 13,626,720 km (0.114 R)
• M19: 14,200,428 km (0.075 R)
• M20: 17,563,538 km (0.07 R)
• M21: 20,200,948 km (0.072 R)
• M22: 21,710,241 km (0.111 R)
• M23: 22,196,883 km (0.113 R)
• M24: 23,293,136 km (0.104 R)
• M25: 24,739,897 km (0.114 R)
• M26: 30,760,015 km (0.095 R)
• M27: 31,995,693 km (0.09 R)
• M28: 32,625,800 km (0.098 R)
• M29: 33,521,891 km (0.098 R)
• M30: 33,910,845 km (0.061 R)
• M31: 35,362,842 km (0.088 R)
• M32: 36,172,167 km (0.115 R)
• M33: 36,581,317 km (0.066 R)
• M34: 45,904,256 km (0.082 R)
• M35: 51,365,925 km (0.082 R)
• M36: 58,359,925 km (0.03 R)
• M37: 59,678,929 km (0.053 R)
• M38: 68,013,026 km (0.05 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit