🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 9.9

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.69 AU - 1.11 AU

Year: 560 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,453,845 km

• M1: 123,269 km (0.087 R)
• M2: 524,789 km (0.097 R)
• M3: 911,350 km (0.116 R)
• M4: 1,310,477 km (0.094 R)
• M5: 1,874,312 km (0.043 R)
• M6: 2,297,225 km (0.117 R)
• M7: 3,524,376 km (0.091 R)
• M8: 3,962,249 km (0.11 R)
• M9: 4,303,332 km (0.058 R)
• M10: 5,259,861 km (0.047 R)
• M11: 5,672,901 km (0.115 R)
• M12: 6,741,329 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.5

Radius: 12.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.85 AU - 0.97 AU

Year: 569 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,453,845 km

• M1: 160,519 km (0.077 R)
• M2: 654,042 km (0.081 R)
• M3: 1,205,310 km (0.049 R)
• M4: 1,654,702 km (0.115 R)
• M5: 2,098,858 km (0.117 R)
• M6: 3,055,537 km (0.078 R)
• M7: 3,856,184 km (0.1 R)
• M8: 5,019,906 km (0.118 R)
• M9: 6,346,839 km (0.109 R)
• M10: 6,763,021 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 11.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.08 AU - 1.52 AU

Year: 972 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,453,845 km

• M1: 143,016 km (0.095 R)
• M2: 566,527 km (0.114 R)
• M3: 1,155,494 km (0.103 R)
• M4: 1,768,097 km (0.036 R)
• M5: 2,715,650 km (0.098 R)
• M6: 3,242,983 km (0.086 R)
• M7: 3,646,149 km (0.112 R)
• M8: 4,209,534 km (0.069 R)
• M9: 4,656,683 km (0.058 R)
• M10: 5,765,203 km (0.091 R)
• M11: 6,150,716 km (0.1 R)
• M12: 6,662,341 km (0.094 R)
• M13: 7,156,164 km (0.098 R)
• M14: 7,650,286 km (0.104 R)
• M15: 8,680,566 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.04 AU - 1.66 AU

Year: 1029 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,453,845 km

• M1: 99,483 km (0.06 R)
• M2: 467,793 km (0.073 R)
• M3: 723,605 km (0.047 R)
• M4: 972,536 km (0.119 R)
• M5: 1,280,259 km (0.105 R)
• M6: 2,075,970 km (0.119 R)
• M7: 2,546,455 km (0.119 R)
• M8: 4,076,243 km (0.1 R)
• M9: 5,720,772 km (0.106 R)
• M10: 6,827,647 km (0.042 R)
• M11: 7,715,660 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 12.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.19 AU - 1.77 AU

Year: 1181 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,453,845 km

• M1: 155,432 km (0.119 R)
• M2: 574,755 km (0.043 R)
• M3: 969,843 km (0.098 R)
• M4: 1,358,797 km (0.104 R)
• M5: 1,966,464 km (0.054 R)
• M6: 2,399,849 km (0.119 R)
• M7: 3,356,677 km (0.118 R)
• M8: 3,781,984 km (0.097 R)
• M9: 4,571,711 km (0.07 R)
• M10: 5,363,233 km (0.08 R)
• M11: 6,622,698 km (0.042 R)
• M12: 8,378,079 km (0.107 R)
• M13: 8,987,242 km (0.072 R)
• M14: 11,303,166 km (0.083 R)
• M15: 12,047,565 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 13.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.48 AU - 1.78 AU

Year: 1365 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,453,845 km

• M1: 172,935 km (0.079 R)
• M2: 605,423 km (0.077 R)
• M3: 1,056,909 km (0.116 R)
• M4: 1,932,057 km (0.117 R)
• M5: 2,980,289 km (0.051 R)
• M6: 3,701,799 km (0.072 R)
• M7: 5,830,278 km (0.076 R)
• M8: 7,027,360 km (0.06 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 14.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.57 AU - 4.03 AU

Year: 3933 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,453,845 km

• M1: 178,171 km (0.112 R)
• M2: 938,128 km (0.104 R)
• M3: 1,416,542 km (0.112 R)
• M4: 4,229,581 km (0.119 R)
• M5: 4,888,709 km (0.102 R)
• M6: 6,507,059 km (0.11 R)
• M7: 7,629,491 km (0.079 R)
• M8: 10,087,534 km (0.103 R)
• M9: 10,601,403 km (0.118 R)
• M10: 12,539,742 km (0.096 R)
• M11: 15,310,444 km (0.101 R)
• M12: 18,152,206 km (0.092 R)
• M13: 19,830,245 km (0.084 R)
• M14: 22,106,227 km (0.116 R)
• M15: 23,344,449 km (0.044 R)
• M16: 24,628,447 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 13.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.28 AU - 3.42 AU

Year: 4022 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,453,845 km

• M1: 165,455 km (0.047 R)
• M2: 956,379 km (0.111 R)
• M3: 1,433,896 km (0.108 R)
• M4: 3,465,435 km (0.1 R)
• M5: 4,778,455 km (0.116 R)
• M6: 5,410,207 km (0.081 R)
• M7: 5,861,993 km (0.118 R)
• M8: 6,713,653 km (0.046 R)
• M9: 8,400,968 km (0.056 R)
• M10: 9,244,251 km (0.098 R)
• M11: 12,306,968 km (0.105 R)
• M12: 17,286,184 km (0.09 R)
• M13: 18,021,607 km (0.101 R)
• M14: 18,841,702 km (0.115 R)
• M15: 20,353,538 km (0.08 R)
• M16: 23,992,207 km (0.048 R)
• M17: 24,446,985 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 13.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.26 AU - 4.42 AU

Year: 4936 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,453,845 km

• M1: 166,652 km (0.12 R)
• M2: 587,022 km (0.099 R)
• M3: 1,439,281 km (0.104 R)
• M4: 1,910,963 km (0.104 R)
• M5: 2,640,402 km (0.079 R)
• M6: 3,285,917 km (0.072 R)
• M7: 4,271,917 km (0.113 R)
• M8: 6,180,486 km (0.096 R)
• M9: 6,616,115 km (0.119 R)
• M10: 7,812,749 km (0.104 R)
• M11: 9,001,453 km (0.038 R)
• M12: 12,728,385 km (0.05 R)
• M13: 13,292,968 km (0.056 R)
• M14: 14,021,958 km (0.073 R)
• M15: 15,454,208 km (0.115 R)
• M16: 16,590,853 km (0.052 R)
• M17: 17,038,300 km (0.07 R)
• M18: 17,898,936 km (0.083 R)
• M19: 19,213,453 km (0.1 R)
• M20: 21,967,101 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.9

Radius: 4.2

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.82 AU - 9.24 AU

Year: 13555 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,453,845 km

• M1: 56,548 km (0.086 R)
• M2: 216,618 km (0.06 R)
• M3: 391,647 km (0.111 R)
• M4: 935,884 km (0.094 R)
• M5: 1,331,271 km (0.069 R)
• M6: 1,712,746 km (0.111 R)
• M7: 2,611,979 km (0.074 R)
• M8: 2,747,963 km (0.087 R)
• M9: 3,594,986 km (0.084 R)
• M10: 4,575,152 km (0.118 R)
• M11: 4,977,420 km (0.115 R)
• M12: 5,656,595 km (0.119 R)
• M13: 6,571,984 km (0.051 R)
• M14: 8,021,737 km (0.108 R)
• M15: 10,575,971 km (0.105 R)
• M16: 12,062,675 km (0.087 R)
• M17: 14,274,030 km (0.104 R)
• M18: 14,697,542 km (0.081 R)
• M19: 15,317,176 km (0.111 R)
• M20: 18,180,928 km (0.081 R)
• M21: 19,552,591 km (0.115 R)
• M22: 22,826,690 km (0.108 R)
• M23: 23,572,884 km (0.106 R)
• M24: 25,026,527 km (0.117 R)
• M25: 31,439,489 km (0.093 R)
• M26: 32,155,913 km (0.106 R)
• M27: 32,883,108 km (0.05 R)
• M28: 35,130,517 km (0.057 R)
• M29: 37,478,306 km (0.071 R)
• M30: 38,167,802 km (0.09 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: 534 - 12,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit