🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 9.4

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,216,647 km

• M1: 120,277 km (0.094 R)
• M2: 413,040 km (0.075 R)
• M3: 768,335 km (0.073 R)
• M4: 1,991,148 km (0.049 R)
• M5: 2,852,981 km (0.072 R)
• M6: 3,291,303 km (0.033 R)
• M7: 3,658,715 km (0.052 R)
• M8: 4,638,581 km (0.11 R)
• M9: 5,054,014 km (0.067 R)
• M10: 5,995,434 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 8

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.2 AU - 1.88 AU

Year: 1274 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,216,647 km

• M1: 99,483 km (0.114 R)
• M2: 367,562 km (0.086 R)
• M3: 755,020 km (0.07 R)
• M4: 1,023,399 km (0.075 R)
• M5: 1,632,562 km (0.1 R)
• M6: 2,039,019 km (0.118 R)
• M7: 2,312,035 km (0.094 R)
• M8: 2,597,318 km (0.08 R)
• M9: 3,998,901 km (0.1 R)
• M10: 4,592,505 km (0.082 R)
• M11: 6,108,530 km (0.064 R)
• M12: 6,401,742 km (0.119 R)
• M13: 6,751,801 km (0.08 R)
• M14: 7,213,460 km (0.091 R)
• M15: 7,722,092 km (0.088 R)
• M16: 8,557,297 km (0.097 R)
• M17: 8,896,436 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 8.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.95 AU - 2.05 AU

Year: 1886 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,216,647 km

• M1: 104,419 km (0.115 R)
• M2: 583,731 km (0.101 R)
• M3: 1,364,781 km (0.058 R)
• M4: 4,563,184 km (0.091 R)
• M5: 4,941,966 km (0.094 R)
• M6: 5,377,146 km (0.065 R)
• M7: 6,165,975 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.24 AU - 3.68 AU

Year: 3396 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,216,647 km

• M1: 125,812 km (0.102 R)
• M2: 457,470 km (0.089 R)
• M3: 861,684 km (0.059 R)
• M4: 1,245,552 km (0.079 R)
• M5: 1,685,070 km (0.102 R)
• M6: 2,060,860 km (0.12 R)
• M7: 2,649,827 km (0.065 R)
• M8: 3,272,603 km (0.037 R)
• M9: 3,760,442 km (0.105 R)
• M10: 5,494,281 km (0.087 R)
• M11: 5,874,409 km (0.1 R)
• M12: 6,301,062 km (0.105 R)
• M13: 6,687,623 km (0.118 R)
• M14: 7,153,172 km (0.076 R)
• M15: 7,740,343 km (0.103 R)
• M16: 8,149,344 km (0.037 R)
• M17: 9,387,416 km (0.062 R)
• M18: 10,746,513 km (0.098 R)
• M19: 11,826,609 km (0.093 R)
• M20: 12,278,395 km (0.077 R)
• M21: 13,506,893 km (0.117 R)
• M22: 14,557,668 km (0.111 R)
• M23: 15,181,940 km (0.118 R)
• M24: 16,877,781 km (0.099 R)
• M25: 21,165,107 km (0.112 R)
• M26: 22,102,038 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 9.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.08 AU - 3.18 AU

Year: 3693 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,216,647 km

• M1: 119,977 km (0.098 R)
• M2: 419,921 km (0.111 R)
• M3: 757,264 km (0.12 R)
• M4: 1,666,969 km (0.115 R)
• M5: 2,014,036 km (0.109 R)
• M6: 2,731,807 km (0.072 R)
• M7: 3,270,209 km (0.101 R)
• M8: 5,614,258 km (0.106 R)
• M9: 6,185,722 km (0.04 R)
• M10: 8,006,777 km (0.04 R)
• M11: 8,970,936 km (0.104 R)
• M12: 10,578,963 km (0.098 R)
• M13: 12,030,810 km (0.112 R)
• M14: 14,932,710 km (0.106 R)
• M15: 17,829,074 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.4

Radius: 11.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.53 AU - 3.97 AU

Year: 3907 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,216,647 km

• M1: 151,991 km (0.094 R)
• M2: 633,098 km (0.082 R)
• M3: 1,312,721 km (0.087 R)
• M4: 3,821,926 km (0.096 R)
• M5: 4,873,749 km (0.115 R)
• M6: 6,062,155 km (0.057 R)
• M7: 7,787,616 km (0.114 R)
• M8: 11,523,374 km (0.056 R)
• M9: 13,218,318 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 14.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.29 AU - 6.31 AU

Year: 8137 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,216,647 km

• M1: 184,305 km (0.117 R)
• M2: 664,065 km (0.119 R)
• M3: 1,310,029 km (0.086 R)
• M4: 2,613,026 km (0.077 R)
• M5: 3,086,503 km (0.1 R)
• M6: 3,593,640 km (0.103 R)
• M7: 4,837,846 km (0.047 R)
• M8: 6,425,378 km (0.036 R)
• M9: 7,141,952 km (0.108 R)
• M10: 7,953,371 km (0.075 R)
• M11: 8,425,352 km (0.054 R)
• M12: 11,021,474 km (0.056 R)
• M13: 11,663,996 km (0.119 R)
• M14: 12,445,196 km (0.079 R)
• M15: 15,064,655 km (0.074 R)
• M16: 16,746,434 km (0.114 R)
• M17: 17,669,005 km (0.058 R)
• M18: 20,005,723 km (0.082 R)
• M19: 20,963,449 km (0.08 R)
• M20: 22,372,212 km (0.118 R)
• M21: 24,647,745 km (0.099 R)
• M22: 25,935,035 km (0.05 R)
• M23: 29,146,452 km (0.104 R)
• M24: 30,169,702 km (0.057 R)
• M25: 31,005,505 km (0.05 R)
• M26: 40,484,475 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.8

Radius: 4.4

Gravity: 34.86 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.17 AU - 8.51 AU

Year: 13261 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,216,647 km

• M1: 56,249 km (0.106 R)
• M2: 209,138 km (0.09 R)
• M3: 494,421 km (0.056 R)
• M4: 658,829 km (0.101 R)
• M5: 1,237,773 km (0.114 R)
• M6: 1,638,845 km (0.109 R)
• M7: 1,784,703 km (0.105 R)
• M8: 2,010,895 km (0.111 R)
• M9: 3,735,608 km (0.102 R)
• M10: 4,595,497 km (0.075 R)
• M11: 4,920,573 km (0.114 R)
• M12: 5,365,776 km (0.111 R)
• M13: 6,218,484 km (0.099 R)
• M14: 7,030,352 km (0.08 R)
• M15: 8,960,763 km (0.114 R)
• M16: 11,276,089 km (0.05 R)
• M17: 11,628,093 km (0.113 R)
• M18: 13,563,590 km (0.116 R)
• M19: 14,642,041 km (0.105 R)
• M20: 16,439,609 km (0.102 R)
• M21: 18,058,857 km (0.095 R)
• M22: 18,459,629 km (0.091 R)
• M23: 18,784,406 km (0.092 R)
• M24: 19,030,495 km (0.09 R)
• M25: 20,121,662 km (0.07 R)
• M26: 21,165,406 km (0.082 R)
• M27: 21,431,989 km (0.045 R)
• M28: 22,520,314 km (0.1 R)
• M29: 24,512,509 km (0.083 R)
• M30: 25,102,672 km (0.114 R)
• M31: 28,195,907 km (0.094 R)
• M32: 30,506,297 km (0.06 R)
• M33: 32,821,025 km (0.086 R)
• M34: 47,216,678 km (0.113 R)
• M35: 51,097,546 km (0.12 R)
• M36: 56,538,421 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.8

Radius: 3.7

Gravity: 27.01 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.65 AU - 9.85 AU

Year: 15802 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,216,647 km

• M1: 46,525 km (0.06 R)
• M2: 217,515 km (0.065 R)
• M3: 515,215 km (0.094 R)
• M4: 872,604 km (0.092 R)
• M5: 1,110,615 km (0.104 R)
• M6: 1,336,358 km (0.101 R)
• M7: 1,474,437 km (0.115 R)
• M8: 2,107,086 km (0.092 R)
• M9: 2,514,291 km (0.089 R)
• M10: 2,791,496 km (0.106 R)
• M11: 3,041,624 km (0.069 R)
• M12: 3,508,668 km (0.109 R)
• M13: 5,296,812 km (0.111 R)
• M14: 5,823,995 km (0.091 R)
• M15: 6,818,970 km (0.118 R)
• M16: 7,484,681 km (0.118 R)
• M17: 7,657,765 km (0.113 R)
• M18: 9,386,668 km (0.114 R)
• M19: 10,368,180 km (0.051 R)
• M20: 11,189,921 km (0.111 R)
• M21: 11,703,341 km (0.095 R)
• M22: 12,776,855 km (0.103 R)
• M23: 15,815,487 km (0.119 R)
• M24: 16,100,471 km (0.101 R)
• M25: 19,546,458 km (0.098 R)
• M26: 19,792,247 km (0.073 R)
• M27: 21,224,348 km (0.111 R)
• M28: 22,454,341 km (0.073 R)
• M29: 23,638,259 km (0.081 R)
• M30: 24,576,836 km (0.1 R)
• M31: 24,863,166 km (0.068 R)
• M32: 29,429,492 km (0.084 R)
• M33: 33,578,588 km (0.115 R)
• M34: 34,643,725 km (0.047 R)
• M35: 42,325,726 km (0.116 R)
• M36: 50,759,006 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 4.7

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.44 AU - 10.06 AU

Year: 20302 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,216,647 km

• M1: 58,493 km (0.074 R)
• M2: 358,736 km (0.102 R)
• M3: 545,883 km (0.088 R)
• M4: 894,595 km (0.116 R)
• M5: 1,066,334 km (0.099 R)
• M6: 1,735,186 km (0.099 R)
• M7: 1,934,749 km (0.089 R)
• M8: 2,670,472 km (0.071 R)
• M9: 3,006,768 km (0.097 R)
• M10: 3,246,423 km (0.116 R)
• M11: 3,736,656 km (0.097 R)
• M12: 4,042,284 km (0.083 R)
• M13: 5,468,700 km (0.039 R)
• M14: 7,673,473 km (0.064 R)
• M15: 8,258,999 km (0.114 R)
• M16: 9,723,114 km (0.116 R)
• M17: 9,982,965 km (0.09 R)
• M18: 10,247,305 km (0.109 R)
• M19: 10,790,195 km (0.109 R)
• M20: 13,217,271 km (0.111 R)
• M21: 13,472,036 km (0.106 R)
• M22: 16,788,771 km (0.108 R)
• M23: 17,238,163 km (0.07 R)
• M24: 18,714,394 km (0.114 R)
• M25: 21,562,738 km (0.07 R)
• M26: 22,906,426 km (0.096 R)
• M27: 29,484,693 km (0.073 R)
• M28: 33,435,872 km (0.103 R)
• M29: 45,618,075 km (0.035 R)
• M30: 51,031,723 km (0.07 R)
• M31: 53,247,567 km (0.116 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: 368 - 11,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit