🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 14.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 13.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 75,905,346 km

• M1: 180,415 km (0.099 R)
• M2: 1,106,875 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 11.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.63 AU - 0.97 AU

Year: 494 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,905,346 km

• M1: 141,819 km (0.114 R)
• M2: 532,419 km (0.087 R)
• M3: 898,934 km (0.062 R)
• M4: 1,430,455 km (0.077 R)
• M5: 2,139,549 km (0.085 R)
• M6: 2,501,127 km (0.113 R)
• M7: 3,047,757 km (0.058 R)
• M8: 3,698,508 km (0.113 R)
• M9: 4,126,508 km (0.06 R)
• M10: 5,261,058 km (0.039 R)
• M11: 5,945,917 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 14.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.44 AU - 2.66 AU

Year: 2811 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,905,346 km

• M1: 180,415 km (0.092 R)
• M2: 684,709 km (0.113 R)
• M3: 1,574,368 km (0.118 R)
• M4: 2,259,377 km (0.056 R)
• M5: 2,822,463 km (0.051 R)
• M6: 3,391,384 km (0.075 R)
• M7: 3,863,365 km (0.062 R)
• M8: 4,741,505 km (0.076 R)
• M9: 5,240,264 km (0.076 R)
• M10: 6,106,735 km (0.036 R)
• M11: 7,874,383 km (0.047 R)
• M12: 9,148,807 km (0.06 R)
• M13: 11,775,596 km (0.084 R)
• M14: 13,799,805 km (0.116 R)
• M15: 14,775,632 km (0.054 R)
• M16: 15,353,529 km (0.026 R)
• M17: 17,764,149 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 12.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.29 AU - 4.41 AU

Year: 6262 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,905,346 km

• M1: 153,487 km (0.099 R)
• M2: 634,145 km (0.06 R)
• M3: 1,082,789 km (0.076 R)
• M4: 1,975,141 km (0.096 R)
• M5: 4,106,013 km (0.052 R)
• M6: 4,955,280 km (0.107 R)
• M7: 7,032,147 km (0.094 R)
• M8: 7,784,325 km (0.083 R)
• M9: 9,449,050 km (0.081 R)
• M10: 13,098,490 km (0.025 R)
• M11: 14,091,521 km (0.047 R)
• M12: 15,909,584 km (0.067 R)
• M13: 21,709,344 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 9.9

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.41 AU - 4.83 AU

Year: 6854 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 121 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,905,346 km

• M1: 123,119 km (0.087 R)
• M2: 432,936 km (0.097 R)
• M3: 806,333 km (0.119 R)
• M4: 1,723,816 km (0.113 R)
• M5: 2,131,022 km (0.105 R)
• M6: 2,793,740 km (0.088 R)
• M7: 3,249,565 km (0.077 R)
• M8: 3,588,255 km (0.104 R)
• M9: 4,205,645 km (0.12 R)
• M10: 5,278,112 km (0.106 R)
• M11: 5,620,242 km (0.055 R)
• M12: 5,977,333 km (0.102 R)
• M13: 6,488,508 km (0.119 R)
• M14: 7,443,691 km (0.108 R)
• M15: 8,117,180 km (0.1 R)
• M16: 9,494,678 km (0.12 R)
• M17: 10,049,387 km (0.08 R)
• M18: 12,928,697 km (0.057 R)
• M19: 13,380,632 km (0.12 R)
• M20: 14,436,195 km (0.089 R)
• M21: 15,800,378 km (0.059 R)
• M22: 17,113,398 km (0.115 R)
• M23: 19,510,405 km (0.045 R)
• M24: 23,512,746 km (0.083 R)
• M25: 25,749,833 km (0.112 R)
• M26: 26,556,315 km (0.098 R)
• M27: 28,788,913 km (0.072 R)
• M28: 29,366,062 km (0.092 R)
• M29: 31,650,122 km (0.047 R)
• M30: 34,372,056 km (0.102 R)
• M31: 37,587,811 km (0.06 R)
• M32: 38,625,123 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.8

Radius: 4.6

Gravity: 28.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.91 AU - 8.53 AU

Year: 14806 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,905,346 km

• M1: 57,146 km (0.104 R)
• M2: 397,182 km (0.079 R)
• M3: 630,106 km (0.045 R)
• M4: 1,488,050 km (0.082 R)
• M5: 2,073,426 km (0.065 R)
• M6: 2,285,855 km (0.056 R)
• M7: 3,794,550 km (0.049 R)
• M8: 4,803,438 km (0.059 R)
• M9: 5,245,949 km (0.071 R)
• M10: 7,967,134 km (0.041 R)
• M11: 9,866,279 km (0.106 R)
• M12: 11,385,894 km (0.112 R)
• M13: 12,418,867 km (0.068 R)
• M14: 13,578,999 km (0.104 R)
• M15: 16,639,472 km (0.108 R)
• M16: 19,362,602 km (0.12 R)
• M17: 20,130,039 km (0.119 R)
• M18: 20,477,705 km (0.118 R)
• M19: 21,634,994 km (0.083 R)
• M20: 22,835,217 km (0.094 R)
• M21: 23,884,796 km (0.08 R)
• M22: 24,569,356 km (0.089 R)
• M23: 25,977,371 km (0.101 R)
• M24: 26,805,545 km (0.115 R)
• M25: 27,544,708 km (0.108 R)
• M26: 33,223,294 km (0.076 R)
• M27: 33,830,661 km (0.115 R)
• M28: 37,762,991 km (0.045 R)
• M29: 49,451,970 km (0.116 R)
• M30: 51,527,491 km (0.082 R)
• M31: 57,402,947 km (0.025 R)
• M32: 58,277,047 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.8

Radius: 4.2

Gravity: 40.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.31 AU - 11.29 AU

Year: 19577 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,905,346 km

• M1: 53,107 km (0.105 R)
• M2: 298,149 km (0.084 R)
• M3: 487,240 km (0.092 R)
• M4: 677,379 km (0.113 R)
• M5: 1,354,908 km (0.076 R)
• M6: 1,528,741 km (0.117 R)
• M7: 2,333,876 km (0.057 R)
• M8: 2,704,430 km (0.088 R)
• M9: 3,503,433 km (0.104 R)
• M10: 4,280,444 km (0.093 R)
• M11: 4,586,521 km (0.082 R)
• M12: 5,241,909 km (0.104 R)
• M13: 7,580,872 km (0.12 R)
• M14: 7,827,409 km (0.093 R)
• M15: 9,937,637 km (0.045 R)
• M16: 11,281,175 km (0.069 R)
• M17: 13,733,234 km (0.1 R)
• M18: 14,547,944 km (0.048 R)
• M19: 15,869,791 km (0.05 R)
• M20: 18,130,215 km (0.09 R)
• M21: 18,839,009 km (0.05 R)
• M22: 19,843,559 km (0.104 R)
• M23: 22,058,505 km (0.101 R)
• M24: 22,662,282 km (0.106 R)
• M25: 27,895,066 km (0.054 R)
• M26: 28,838,730 km (0.044 R)
• M27: 37,735,464 km (0.087 R)
• M28: 46,635,491 km (0.062 R)
• M29: 53,526,268 km (0.103 R)
• M30: 63,659,728 km (0.111 R)
• M31: 68,853,916 km (0.116 R)
• M32: 75,224,691 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 18,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit