🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 9.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.89 AU - 1.05 AU

Year: 607 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,682,149 km

• M1: 114,742 km (0.094 R)
• M2: 488,886 km (0.086 R)
• M3: 871,707 km (0.09 R)
• M4: 1,739,225 km (0.072 R)
• M5: 2,504,418 km (0.053 R)
• M6: 3,179,104 km (0.057 R)
• M7: 3,616,229 km (0.072 R)
• M8: 4,419,570 km (0.095 R)
• M9: 5,238,169 km (0.069 R)
• M10: 5,589,425 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 12.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.53 AU - 3.61 AU

Year: 3420 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,682,149 km

• M1: 151,692 km (0.116 R)
• M2: 969,095 km (0.077 R)
• M3: 2,265,809 km (0.116 R)
• M4: 2,645,339 km (0.101 R)
• M5: 3,248,967 km (0.089 R)
• M6: 3,714,814 km (0.032 R)
• M7: 4,180,812 km (0.104 R)
• M8: 5,129,113 km (0.062 R)
• M9: 5,902,534 km (0.092 R)
• M10: 6,302,857 km (0.103 R)
• M11: 6,782,767 km (0.111 R)
• M12: 7,319,375 km (0.11 R)
• M13: 8,159,816 km (0.117 R)
• M14: 9,214,182 km (0.11 R)
• M15: 10,032,781 km (0.039 R)
• M16: 10,646,731 km (0.083 R)
• M17: 11,592,489 km (0.079 R)
• M18: 15,347,246 km (0.043 R)
• M19: 16,722,948 km (0.096 R)
• M20: 17,179,969 km (0.099 R)
• M21: 17,940,674 km (0.046 R)
• M22: 18,969,010 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 9.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.84 AU - 4.72 AU

Year: 4673 Days

Day: 5.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,682,149 km

• M1: 113,246 km (0.089 R)
• M2: 555,158 km (0.053 R)
• M3: 840,142 km (0.053 R)
• M4: 1,377,796 km (0.054 R)
• M5: 1,694,645 km (0.059 R)
• M6: 2,018,674 km (0.065 R)
• M7: 2,478,388 km (0.089 R)
• M8: 3,733,514 km (0.112 R)
• M9: 4,104,816 km (0.089 R)
• M10: 4,745,095 km (0.109 R)
• M11: 5,842,994 km (0.077 R)
• M12: 6,254,238 km (0.098 R)
• M13: 7,233,805 km (0.107 R)
• M14: 7,743,036 km (0.086 R)
• M15: 8,459,012 km (0.073 R)
• M16: 9,454,885 km (0.045 R)
• M17: 10,357,109 km (0.04 R)
• M18: 11,678,208 km (0.096 R)
• M19: 16,141,461 km (0.108 R)
• M20: 19,483,627 km (0.063 R)
• M21: 20,336,185 km (0.09 R)
• M22: 21,144,911 km (0.078 R)
• M23: 25,903,021 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.9

Radius: 11.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.39 AU - 4.67 AU

Year: 6130 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,682,149 km

• M1: 146,756 km (0.119 R)
• M2: 575,054 km (0.066 R)
• M3: 1,190,649 km (0.116 R)
• M4: 1,695,991 km (0.11 R)
• M5: 4,516,210 km (0.044 R)
• M6: 5,822,200 km (0.1 R)
• M7: 6,692,410 km (0.097 R)
• M8: 8,497,608 km (0.105 R)
• M9: 9,533,723 km (0.087 R)
• M10: 11,013,246 km (0.119 R)
• M11: 15,836,580 km (0.12 R)
• M12: 16,667,447 km (0.113 R)
• M13: 18,287,143 km (0.11 R)
• M14: 19,069,241 km (0.113 R)
• M15: 26,807,789 km (0.101 R)
• M16: 27,647,033 km (0.091 R)
• M17: 29,821,588 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 14.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.54 AU - 5.8 AU

Year: 7474 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,682,149 km

• M1: 183,407 km (0.115 R)
• M2: 924,216 km (0.071 R)
• M3: 1,910,963 km (0.12 R)
• M4: 2,593,279 km (0.103 R)
• M5: 3,524,227 km (0.077 R)
• M6: 5,327,479 km (0.072 R)
• M7: 9,290,177 km (0.109 R)
• M8: 11,011,151 km (0.063 R)
• M9: 12,555,899 km (0.046 R)
• M10: 19,684,686 km (0.119 R)
• M11: 25,328,565 km (0.052 R)
• M12: 26,824,544 km (0.102 R)
• M13: 28,285,666 km (0.061 R)
• M14: 30,674,146 km (0.112 R)
• M15: 31,968,018 km (0.102 R)
• M16: 33,090,899 km (0.074 R)
• M17: 33,819,142 km (0.038 R)
• M18: 34,877,846 km (0.074 R)
• M19: 36,397,162 km (0.118 R)
• M20: 37,061,676 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 8.2

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.91 AU - 6.07 AU

Year: 8179 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,682,149 km

• M1: 102,325 km (0.032 R)
• M2: 378,782 km (0.087 R)
• M3: 768,783 km (0.098 R)
• M4: 2,408,376 km (0.09 R)
• M5: 3,106,400 km (0.053 R)
• M6: 3,600,970 km (0.116 R)
• M7: 4,119,925 km (0.034 R)
• M8: 5,021,552 km (0.108 R)
• M9: 6,820,616 km (0.047 R)
• M10: 7,614,980 km (0.109 R)
• M11: 8,337,389 km (0.104 R)
• M12: 10,066,890 km (0.091 R)
• M13: 10,623,992 km (0.075 R)
• M14: 11,309,001 km (0.115 R)
• M15: 13,601,289 km (0.09 R)
• M16: 18,403,231 km (0.118 R)
• M17: 19,857,472 km (0.051 R)
• M18: 20,492,216 km (0.078 R)
• M19: 22,392,258 km (0.101 R)
• M20: 22,993,043 km (0.084 R)
• M21: 24,048,157 km (0.091 R)
• M22: 26,539,261 km (0.116 R)
• M23: 28,392,180 km (0.063 R)
• M24: 30,225,651 km (0.086 R)
• M25: 37,263,633 km (0.097 R)
• M26: 42,648,259 km (0.054 R)
• M27: 42,910,653 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.4

Radius: 3.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.66 AU - 6.52 AU

Year: 9556 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,682,149 km

• M1: 40,990 km (0.098 R)
• M2: 161,865 km (0.037 R)
• M3: 685,607 km (0.082 R)
• M4: 861,085 km (0.11 R)
• M5: 3,249,116 km (0.109 R)
• M6: 4,441,710 km (0.082 R)
• M7: 6,342,351 km (0.067 R)
• M8: 8,618,633 km (0.072 R)
• M9: 9,008,485 km (0.101 R)
• M10: 9,299,303 km (0.108 R)
• M11: 10,053,725 km (0.1 R)
• M12: 13,386,616 km (0.088 R)
• M13: 15,044,908 km (0.109 R)
• M14: 15,248,661 km (0.112 R)
• M15: 18,880,149 km (0.102 R)
• M16: 20,023,525 km (0.098 R)
• M17: 20,958,063 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.9

Radius: 6.7

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.1 AU - 9.34 AU

Year: 14984 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,682,149 km

• M1: 83,326 km (0.11 R)
• M2: 314,006 km (0.104 R)
• M3: 553,063 km (0.076 R)
• M4: 2,344,049 km (0.088 R)
• M5: 3,077,827 km (0.099 R)
• M6: 5,091,264 km (0.08 R)
• M7: 8,756,861 km (0.049 R)
• M8: 9,945,117 km (0.076 R)
• M9: 10,549,791 km (0.111 R)
• M10: 13,544,741 km (0.043 R)
• M11: 17,452,387 km (0.072 R)
• M12: 20,177,312 km (0.062 R)
• M13: 26,349,122 km (0.103 R)
• M14: 28,913,528 km (0.075 R)
• M15: 30,142,475 km (0.075 R)
• M16: 40,284,313 km (0.113 R)
• M17: 46,947,701 km (0.115 R)
• M18: 48,022,113 km (0.081 R)
• M19: 48,331,930 km (0.119 R)
• M20: 49,901,811 km (0.112 R)
• M21: 57,387,838 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 14,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit