🌌 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: 830.3

Radius: 8.7

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 8.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,960,886 km

• M1: 108,458 km (0.051 R)
• M2: 407,355 km (0.047 R)
• M3: 827,725 km (0.112 R)
• M4: 1,272,180 km (0.08 R)
• M5: 1,600,697 km (0.028 R)
• M6: 1,884,185 km (0.085 R)
• M7: 2,348,088 km (0.025 R)
• M8: 2,707,572 km (0.038 R)
• M9: 2,983,730 km (0.101 R)
• M10: 3,593,640 km (0.095 R)
• M11: 4,109,753 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 8.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.57 AU - 0.61 AU

Year: 313 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,960,886 km

• M1: 108,159 km (0.104 R)
• M2: 515,215 km (0.098 R)
• M3: 999,912 km (0.108 R)
• M4: 1,276,668 km (0.079 R)
• M5: 1,573,171 km (0.073 R)
• M6: 1,922,333 km (0.091 R)
• M7: 2,260,424 km (0.102 R)
• M8: 2,547,502 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 9.3

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 11.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,960,886 km

• M1: 116,088 km (0.065 R)
• M2: 648,656 km (0.109 R)
• M3: 987,645 km (0.115 R)
• M4: 1,466,508 km (0.04 R)
• M5: 2,291,391 km (0.037 R)
• M6: 2,712,359 km (0.092 R)
• M7: 3,047,458 km (0.115 R)
• M8: 3,434,468 km (0.05 R)
• M9: 4,293,608 km (0.104 R)
• M10: 5,338,849 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 13.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.69 AU - 0.71 AU

Year: 404 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,960,886 km

• M1: 171,589 km (0.099 R)
• M2: 689,796 km (0.117 R)
• M3: 1,136,645 km (0.084 R)
• M4: 1,979,180 km (0.076 R)
• M5: 2,461,932 km (0.095 R)
• M6: 3,187,482 km (0.103 R)
• M7: 4,176,922 km (0.093 R)
• M8: 4,661,769 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364

Radius: 5.1

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.37 AU - 8.51 AU

Year: 14008 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,960,886 km

• M1: 64,028 km (0.041 R)
• M2: 244,144 km (0.063 R)
• M3: 417,827 km (0.099 R)
• M4: 997,818 km (0.077 R)
• M5: 2,056,672 km (0.114 R)
• M6: 2,706,076 km (0.066 R)
• M7: 6,131,119 km (0.041 R)
• M8: 6,732,503 km (0.115 R)
• M9: 6,928,326 km (0.101 R)
• M10: 7,249,363 km (0.057 R)
• M11: 7,413,622 km (0.106 R)
• M12: 7,580,274 km (0.09 R)
• M13: 7,921,357 km (0.089 R)
• M14: 10,237,132 km (0.026 R)
• M15: 17,145,113 km (0.086 R)
• M16: 19,416,457 km (0.089 R)
• M17: 20,871,446 km (0.091 R)
• M18: 22,922,283 km (0.109 R)
• M19: 24,546,019 km (0.085 R)
• M20: 30,938,784 km (0.11 R)
• M21: 32,806,215 km (0.112 R)
• M22: 36,643,250 km (0.075 R)
• M23: 37,739,354 km (0.105 R)
• M24: 39,614,414 km (0.119 R)
• M25: 43,820,507 km (0.119 R)
• M26: 44,640,902 km (0.078 R)
• M27: 48,025,255 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.2

Radius: 6.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.12 AU - 8.36 AU

Year: 14864 Days

Day: 20.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,960,886 km

• M1: 89,160 km (0.098 R)
• M2: 313,408 km (0.113 R)
• M3: 691,441 km (0.117 R)
• M4: 1,282,802 km (0.071 R)
• M5: 2,027,650 km (0.099 R)
• M6: 2,909,828 km (0.098 R)
• M7: 3,218,748 km (0.058 R)
• M8: 3,436,712 km (0.099 R)
• M9: 4,201,755 km (0.094 R)
• M10: 7,139,558 km (0.055 R)
• M11: 7,858,227 km (0.102 R)
• M12: 11,622,408 km (0.096 R)
• M13: 13,270,678 km (0.116 R)
• M14: 15,558,179 km (0.119 R)
• M15: 16,184,395 km (0.084 R)
• M16: 18,440,032 km (0.116 R)
• M17: 19,141,496 km (0.073 R)
• M18: 22,837,312 km (0.073 R)
• M19: 23,401,296 km (0.111 R)
• M20: 23,645,888 km (0.034 R)
• M21: 26,273,874 km (0.07 R)
• M22: 30,717,529 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.8

Radius: 3.1

Gravity: 103.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.01 AU - 10.63 AU

Year: 19640 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 84,960,886 km

• M1: 38,746 km (0.113 R)
• M2: 145,708 km (0.095 R)
• M3: 243,097 km (0.092 R)
• M4: 361,428 km (0.06 R)
• M5: 502,200 km (0.081 R)
• M6: 771,177 km (0.117 R)
• M7: 994,227 km (0.104 R)
• M8: 1,228,797 km (0.1 R)
• M9: 1,768,696 km (0.082 R)
• M10: 1,885,232 km (0.119 R)
• M11: 2,133,864 km (0.057 R)
• M12: 2,427,525 km (0.059 R)
• M13: 6,383,491 km (0.115 R)
• M14: 6,893,919 km (0.054 R)
• M15: 8,423,707 km (0.089 R)
• M16: 8,754,617 km (0.091 R)
• M17: 9,209,245 km (0.074 R)
• M18: 10,227,408 km (0.059 R)
• M19: 15,703,139 km (0.1 R)
• M20: 16,203,993 km (0.086 R)
• M21: 16,715,318 km (0.097 R)
• M22: 16,888,104 km (0.044 R)
• M23: 20,599,776 km (0.104 R)
• M24: 20,798,442 km (0.059 R)
• M25: 21,402,070 km (0.03 R)
• M26: 27,369,529 km (0.082 R)
• M27: 37,218,454 km (0.118 R)
• M28: 37,958,216 km (0.106 R)
• M29: 39,619,799 km (0.072 R)
• M30: 40,390,827 km (0.038 R)
• M31: 45,228,223 km (0.115 R)
• M32: 46,409,897 km (0.069 R)
• M33: 46,751,279 km (0.118 R)
• M34: 48,308,294 km (0.086 R)
• M35: 52,813,883 km (0.085 R)
• M36: 55,263,697 km (0.054 R)
• M37: 61,614,725 km (0.064 R)
• M38: 62,857,285 km (0.035 R)
• M39: 66,036,539 km (0.059 R)
• M40: 69,321,110 km (0.063 R)
• M41: 71,798,002 km (0.092 R)
• M42: 75,269,720 km (0.093 R)
• M43: 79,825,424 km (0.112 R)
• M44: 84,307,825 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.1

Radius: 5.1

Gravity: 34.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.52 AU - 10.7 AU

Year: 20563 Days

Day: 16.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,960,886 km

• M1: 63,429 km (0.083 R)
• M2: 495,468 km (0.109 R)
• M3: 654,939 km (0.064 R)
• M4: 1,137,393 km (0.117 R)
• M5: 1,358,349 km (0.114 R)
• M6: 1,867,879 km (0.078 R)
• M7: 2,472,254 km (0.098 R)
• M8: 3,549,658 km (0.091 R)
• M9: 4,504,691 km (0.107 R)
• M10: 5,216,627 km (0.095 R)
• M11: 7,595,233 km (0.098 R)
• M12: 9,689,155 km (0.086 R)
• M13: 10,803,509 km (0.061 R)
• M14: 12,000,741 km (0.045 R)
• M15: 12,418,718 km (0.075 R)
• M16: 13,283,693 km (0.066 R)
• M17: 13,730,990 km (0.076 R)
• M18: 18,218,477 km (0.09 R)
• M19: 18,493,139 km (0.077 R)
• M20: 21,190,838 km (0.105 R)
• M21: 21,904,120 km (0.07 R)
• M22: 27,112,819 km (0.11 R)
• M23: 30,706,609 km (0.11 R)
• M24: 34,465,853 km (0.104 R)
• M25: 43,530,886 km (0.081 R)
• M26: 45,684,647 km (0.028 R)
• M27: 49,134,972 km (0.12 R)
• M28: 54,440,610 km (0.1 R)
• M29: 65,527,458 km (0.064 R)
• M30: 74,706,783 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit