🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 11.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.5 AU - 0.54 AU

Year: 250 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,492,453 km

• M1: 145,559 km (0.061 R)
• M2: 509,979 km (0.095 R)
• M3: 900,579 km (0.073 R)
• M4: 1,346,231 km (0.084 R)
• M5: 1,720,076 km (0.106 R)
• M6: 2,149,273 km (0.111 R)
• M7: 2,589,838 km (0.082 R)
• M8: 3,569,256 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 14.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 11.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,492,453 km

• M1: 175,329 km (0.06 R)
• M2: 615,296 km (0.11 R)
• M3: 1,498,821 km (0.051 R)
• M4: 2,362,150 km (0.111 R)
• M5: 3,040,577 km (0.119 R)
• M6: 3,537,092 km (0.106 R)
• M7: 4,326,670 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 9.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,492,453 km

• M1: 118,182 km (0.113 R)
• M2: 446,250 km (0.055 R)
• M3: 758,910 km (0.085 R)
• M4: 1,076,506 km (0.107 R)
• M5: 1,842,298 km (0.081 R)
• M6: 2,180,090 km (0.092 R)
• M7: 3,107,297 km (0.106 R)
• M8: 3,441,050 km (0.115 R)
• M9: 3,765,229 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.6

Radius: 10.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.8 AU - 0.8 AU

Year: 477 Days

Day: 13.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,492,453 km

• M1: 126,859 km (0.11 R)
• M2: 604,375 km (0.11 R)
• M3: 1,005,896 km (0.119 R)
• M4: 1,462,918 km (0.109 R)
• M5: 2,339,860 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 8.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.48 AU - 2.14 AU

Year: 1624 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,492,453 km

• M1: 136,583 km (0.091 R)
• M2: 419,472 km (0.092 R)
• M3: 885,171 km (0.074 R)
• M4: 1,256,772 km (0.091 R)
• M5: 2,183,082 km (0.106 R)
• M6: 3,524,077 km (0.106 R)
• M7: 3,851,098 km (0.033 R)
• M8: 4,623,322 km (0.073 R)
• M9: 6,096,263 km (0.09 R)
• M10: 6,593,526 km (0.086 R)
• M11: 7,194,610 km (0.087 R)
• M12: 8,334,097 km (0.038 R)
• M13: 8,887,310 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156

Radius: 8.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.57 AU - 3.77 AU

Year: 3764 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 170.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,492,453 km

• M1: 102,026 km (0.104 R)
• M2: 499,058 km (0.108 R)
• M3: 803,191 km (0.085 R)
• M4: 3,964,643 km (0.087 R)
• M5: 6,834,678 km (0.084 R)
• M6: 7,546,614 km (0.106 R)
• M7: 10,014,231 km (0.031 R)
• M8: 11,373,926 km (0.05 R)
• M9: 12,411,986 km (0.093 R)
• M10: 14,631,270 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 10.9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.1 AU - 3.98 AU

Year: 4442 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,492,453 km

• M1: 135,685 km (0.1 R)
• M2: 573,708 km (0.102 R)
• M3: 955,631 km (0.106 R)
• M4: 1,477,578 km (0.088 R)
• M5: 2,094,071 km (0.117 R)
• M6: 2,765,616 km (0.079 R)
• M7: 3,282,626 km (0.079 R)
• M8: 4,613,299 km (0.051 R)
• M9: 5,091,713 km (0.085 R)
• M10: 5,486,502 km (0.116 R)
• M11: 5,871,417 km (0.027 R)
• M12: 6,728,912 km (0.076 R)
• M13: 10,462,875 km (0.114 R)
• M14: 10,871,576 km (0.111 R)
• M15: 11,624,802 km (0.115 R)
• M16: 12,112,940 km (0.093 R)
• M17: 13,552,819 km (0.089 R)
• M18: 14,314,123 km (0.119 R)
• M19: 16,101,368 km (0.073 R)
• M20: 17,647,462 km (0.081 R)
• M21: 18,358,202 km (0.097 R)
• M22: 25,638,532 km (0.112 R)
• M23: 27,056,570 km (0.038 R)
• M24: 27,397,803 km (0.111 R)
• M25: 27,828,196 km (0.077 R)
• M26: 28,263,227 km (0.097 R)
• M27: 30,048,528 km (0.046 R)
• M28: 30,506,447 km (0.084 R)
• M29: 31,248,602 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.8 AU - 5.28 AU

Year: 6451 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 146.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,492,453 km

• M1: 179,069 km (0.092 R)
• M2: 663,467 km (0.072 R)
• M3: 1,229,545 km (0.115 R)
• M4: 2,105,889 km (0.034 R)
• M5: 2,732,106 km (0.117 R)
• M6: 3,281,878 km (0.107 R)
• M7: 3,808,163 km (0.091 R)
• M8: 4,444,254 km (0.106 R)
• M9: 5,270,483 km (0.092 R)
• M10: 5,865,882 km (0.075 R)
• M11: 8,250,323 km (0.095 R)
• M12: 10,481,126 km (0.099 R)
• M13: 10,971,657 km (0.063 R)
• M14: 12,427,394 km (0.103 R)
• M15: 14,126,228 km (0.059 R)
• M16: 15,155,311 km (0.094 R)
• M17: 16,494,661 km (0.075 R)
• M18: 17,092,305 km (0.097 R)
• M19: 18,900,494 km (0.105 R)
• M20: 27,790,647 km (0.084 R)
• M21: 29,019,743 km (0.08 R)
• M22: 35,604,742 km (0.039 R)
• M23: 36,716,404 km (0.082 R)
• M24: 38,892,006 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.5

Radius: 5

Gravity: 39.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.12 AU - 9.54 AU

Year: 17497 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,492,453 km

• M1: 62,233 km (0.12 R)
• M2: 301,290 km (0.099 R)
• M3: 550,819 km (0.099 R)
• M4: 1,538,315 km (0.094 R)
• M5: 1,935,647 km (0.087 R)
• M6: 2,829,793 km (0.066 R)
• M7: 3,813,699 km (0.085 R)
• M8: 4,331,906 km (0.091 R)
• M9: 5,749,345 km (0.101 R)
• M10: 6,297,921 km (0.045 R)
• M11: 6,473,549 km (0.114 R)
• M12: 6,652,468 km (0.094 R)
• M13: 7,353,035 km (0.12 R)
• M14: 8,153,234 km (0.055 R)
• M15: 9,807,188 km (0.085 R)
• M16: 10,404,981 km (0.11 R)
• M17: 11,672,673 km (0.06 R)
• M18: 11,938,060 km (0.119 R)
• M19: 12,207,485 km (0.062 R)
• M20: 12,758,305 km (0.084 R)
• M21: 16,834,248 km (0.06 R)
• M22: 18,484,313 km (0.069 R)
• M23: 19,860,763 km (0.063 R)
• M24: 20,526,025 km (0.092 R)
• M25: 22,102,038 km (0.067 R)
• M26: 24,076,132 km (0.119 R)
• M27: 27,079,159 km (0.039 R)
• M28: 37,568,513 km (0.116 R)
• M29: 41,435,319 km (0.083 R)
• M30: 49,774,353 km (0.105 R)
• M31: 63,556,057 km (0.092 R)
• M32: 68,159,333 km (0.095 R)
• M33: 73,204,222 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 15,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit