🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.64 AU

Year: 259 Days

Day: 41.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 8.7

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.68 AU - 0.74 AU

Year: 380 Days

Day: 10.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,453,130 km

• M1: 108,159 km (0.099 R)
• M2: 462,856 km (0.112 R)
• M3: 785,239 km (0.027 R)
• M4: 1,236,726 km (0.074 R)
• M5: 1,623,735 km (0.037 R)
• M6: 2,090,331 km (0.085 R)
• M7: 2,383,692 km (0.086 R)
• M8: 3,269,312 km (0.078 R)
• M9: 3,555,343 km (0.108 R)
• M10: 3,871,294 km (0.098 R)
• M11: 4,205,795 km (0.091 R)
• M12: 4,647,557 km (0.099 R)
• M13: 4,995,073 km (0.098 R)
• M14: 5,295,166 km (0.104 R)
• M15: 5,624,132 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.6

Radius: 12.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.75 AU - 0.85 AU

Year: 455 Days

Day: 9.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,453,130 km

• M1: 153,039 km (0.086 R)
• M2: 715,377 km (0.091 R)
• M3: 1,503,907 km (0.107 R)
• M4: 2,170,665 km (0.051 R)
• M5: 2,983,430 km (0.108 R)
• M6: 3,418,760 km (0.049 R)
• M7: 3,936,070 km (0.077 R)
• M8: 4,667,304 km (0.098 R)
• M9: 5,706,710 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 13.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.82 AU - 1.1 AU

Year: 598 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,453,130 km

• M1: 171,589 km (0.118 R)
• M2: 608,115 km (0.12 R)
• M3: 1,476,531 km (0.101 R)
• M4: 2,045,601 km (0.119 R)
• M5: 2,703,533 km (0.114 R)
• M6: 3,201,544 km (0.098 R)
• M7: 4,307,222 km (0.12 R)
• M8: 4,788,927 km (0.11 R)
• M9: 5,691,152 km (0.094 R)
• M10: 6,333,375 km (0.068 R)
• M11: 7,511,309 km (0.118 R)
• M12: 8,045,224 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.02 AU - 1.24 AU

Year: 764 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,453,130 km

• M1: 114,891 km (0.1 R)
• M2: 409,749 km (0.12 R)
• M3: 719,865 km (0.074 R)
• M4: 1,206,507 km (0.087 R)
• M5: 1,742,067 km (0.073 R)
• M6: 2,148,674 km (0.03 R)
• M7: 2,461,483 km (0.092 R)
• M8: 2,889,483 km (0.079 R)
• M9: 3,380,164 km (0.084 R)
• M10: 4,494,967 km (0.071 R)
• M11: 6,452,755 km (0.069 R)
• M12: 6,841,859 km (0.07 R)
• M13: 7,454,611 km (0.097 R)
• M14: 8,177,917 km (0.104 R)
• M15: 8,868,162 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 8.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.93 AU - 1.53 AU

Year: 867 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,453,130 km

• M1: 109,506 km (0.109 R)
• M2: 411,693 km (0.032 R)
• M3: 818,151 km (0.093 R)
• M4: 1,196,334 km (0.102 R)
• M5: 1,721,572 km (0.098 R)
• M6: 2,028,846 km (0.081 R)
• M7: 2,353,025 km (0.061 R)
• M8: 2,722,681 km (0.046 R)
• M9: 3,330,946 km (0.116 R)
• M10: 3,715,413 km (0.116 R)
• M11: 4,085,368 km (0.055 R)
• M12: 4,417,326 km (0.057 R)
• M13: 5,344,683 km (0.092 R)
• M14: 6,992,354 km (0.091 R)
• M15: 7,336,878 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 11.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.59 AU - 2.53 AU

Year: 1880 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,453,130 km

• M1: 143,016 km (0.045 R)
• M2: 1,145,620 km (0.119 R)
• M3: 1,640,939 km (0.115 R)
• M4: 2,590,736 km (0.109 R)
• M5: 2,970,864 km (0.102 R)
• M6: 3,698,359 km (0.119 R)
• M7: 4,089,108 km (0.097 R)
• M8: 4,901,574 km (0.093 R)
• M9: 6,244,963 km (0.046 R)
• M10: 6,912,768 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 13.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.42 AU - 3.44 AU

Year: 4039 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,453,130 km

• M1: 165,455 km (0.096 R)
• M2: 649,105 km (0.082 R)
• M3: 1,231,041 km (0.075 R)
• M4: 2,126,833 km (0.109 R)
• M5: 2,569,792 km (0.044 R)
• M6: 3,130,635 km (0.106 R)
• M7: 3,687,737 km (0.074 R)
• M8: 4,148,648 km (0.101 R)
• M9: 4,797,903 km (0.029 R)
• M10: 5,626,226 km (0.098 R)
• M11: 6,060,210 km (0.087 R)
• M12: 6,610,580 km (0.102 R)
• M13: 8,061,680 km (0.112 R)
• M14: 10,864,097 km (0.086 R)
• M15: 11,494,203 km (0.1 R)
• M16: 14,962,629 km (0.098 R)
• M17: 15,573,737 km (0.114 R)
• M18: 16,143,705 km (0.113 R)
• M19: 18,500,619 km (0.107 R)
• M20: 19,728,219 km (0.096 R)
• M21: 22,706,563 km (0.082 R)
• M22: 23,365,841 km (0.035 R)
• M23: 24,799,737 km (0.053 R)
• M24: 26,052,170 km (0.08 R)
• M25: 26,693,945 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.5

Radius: 4.6

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.23 AU - 6.49 AU

Year: 10198 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,453,130 km

• M1: 57,296 km (0.054 R)
• M2: 268,379 km (0.098 R)
• M3: 564,134 km (0.044 R)
• M4: 927,507 km (0.092 R)
• M5: 1,075,609 km (0.071 R)
• M6: 1,745,957 km (0.08 R)
• M7: 4,685,705 km (0.099 R)
• M8: 4,917,432 km (0.058 R)
• M9: 5,922,281 km (0.11 R)
• M10: 6,332,179 km (0.104 R)
• M11: 6,907,682 km (0.116 R)
• M12: 8,329,161 km (0.098 R)
• M13: 8,583,627 km (0.069 R)
• M14: 9,108,266 km (0.119 R)
• M15: 9,607,624 km (0.112 R)
• M16: 10,077,212 km (0.092 R)
• M17: 12,993,772 km (0.097 R)
• M18: 13,802,049 km (0.085 R)
• M19: 14,704,723 km (0.11 R)
• M20: 15,903,750 km (0.076 R)
• M21: 16,427,492 km (0.06 R)
• M22: 17,997,521 km (0.103 R)
• M23: 18,209,502 km (0.102 R)
• M24: 18,927,721 km (0.111 R)
• M25: 19,515,940 km (0.109 R)
• M26: 21,353,301 km (0.082 R)
• M27: 21,670,448 km (0.09 R)
• M28: 21,830,069 km (0.109 R)
• M29: 29,759,654 km (0.091 R)
• M30: 30,755,228 km (0.093 R)
• M31: 32,082,311 km (0.079 R)
• M32: 32,498,193 km (0.104 R)
• M33: 34,414,392 km (0.103 R)
• M34: 39,057,461 km (0.114 R)
• M35: 40,009,651 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 6.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.71 AU - 8.01 AU

Year: 11424 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,453,130 km

• M1: 84,074 km (0.092 R)
• M2: 296,952 km (0.08 R)
• M3: 584,180 km (0.111 R)
• M4: 1,189,752 km (0.044 R)
• M5: 1,478,326 km (0.117 R)
• M6: 1,744,910 km (0.051 R)
• M7: 2,309,642 km (0.108 R)
• M8: 2,546,156 km (0.118 R)
• M9: 3,107,896 km (0.099 R)
• M10: 4,322,630 km (0.071 R)
• M11: 7,283,172 km (0.037 R)
• M12: 8,725,296 km (0.108 R)
• M13: 8,969,290 km (0.088 R)
• M14: 11,862,513 km (0.115 R)
• M15: 12,364,713 km (0.077 R)
• M16: 12,620,974 km (0.118 R)
• M17: 14,290,037 km (0.073 R)
• M18: 15,619,813 km (0.068 R)
• M19: 16,345,363 km (0.066 R)
• M20: 18,323,495 km (0.114 R)
• M21: 18,656,799 km (0.088 R)
• M22: 20,455,714 km (0.101 R)
• M23: 22,140,784 km (0.082 R)
• M24: 22,367,275 km (0.066 R)
• M25: 24,075,085 km (0.089 R)
• M26: 26,711,747 km (0.084 R)
• M27: 27,835,676 km (0.075 R)
• M28: 28,900,813 km (0.102 R)
• M29: 29,443,554 km (0.119 R)
• M30: 30,177,630 km (0.108 R)
• M31: 30,829,877 km (0.027 R)
• M32: 31,778,028 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit