🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 10.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 5 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,573,084 km

• M1: 134,339 km (0.097 R)
• M2: 515,813 km (0.106 R)
• M3: 876,195 km (0.059 R)
• M4: 1,347,727 km (0.062 R)
• M5: 1,764,956 km (0.09 R)
• M6: 2,127,731 km (0.115 R)
• M7: 2,504,268 km (0.104 R)
• M8: 2,915,513 km (0.112 R)
• M9: 3,316,286 km (0.111 R)
• M10: 4,075,196 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 12.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 86.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,573,084 km

• M1: 153,039 km (0.115 R)
• M2: 688,599 km (0.089 R)
• M3: 1,088,025 km (0.071 R)
• M4: 1,542,952 km (0.071 R)
• M5: 2,295,280 km (0.101 R)
• M6: 3,116,872 km (0.078 R)
• M7: 3,881,317 km (0.101 R)
• M8: 4,541,193 km (0.052 R)
• M9: 4,984,900 km (0.115 R)
• M10: 5,407,065 km (0.111 R)
• M11: 5,853,316 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.96 AU - 1.18 AU

Year: 764 Days

Day: 11.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,573,084 km

• M1: 112,049 km (0.08 R)
• M2: 569,669 km (0.036 R)
• M3: 1,057,507 km (0.117 R)
• M4: 1,338,901 km (0.11 R)
• M5: 1,664,127 km (0.098 R)
• M6: 2,316,074 km (0.091 R)
• M7: 4,162,411 km (0.034 R)
• M8: 4,864,624 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 8.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.92 AU - 1.34 AU

Year: 829 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,573,084 km

• M1: 108,159 km (0.097 R)
• M2: 389,852 km (0.099 R)
• M3: 697,276 km (0.056 R)
• M4: 969,693 km (0.08 R)
• M5: 1,295,218 km (0.064 R)
• M6: 1,614,011 km (0.079 R)
• M7: 2,031,240 km (0.086 R)
• M8: 2,551,242 km (0.103 R)
• M9: 2,949,472 km (0.119 R)
• M10: 3,455,112 km (0.117 R)
• M11: 3,958,360 km (0.114 R)
• M12: 5,746,802 km (0.086 R)
• M13: 6,372,869 km (0.057 R)
• M14: 6,786,657 km (0.11 R)
• M15: 7,262,528 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 14.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.03 AU - 1.43 AU

Year: 942 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,573,084 km

• M1: 184,005 km (0.099 R)
• M2: 657,333 km (0.064 R)
• M3: 1,181,524 km (0.083 R)
• M4: 1,659,788 km (0.098 R)
• M5: 2,217,639 km (0.075 R)
• M6: 2,714,603 km (0.077 R)
• M7: 5,997,379 km (0.113 R)
• M8: 8,034,602 km (0.079 R)
• M9: 8,535,007 km (0.112 R)
• M10: 9,056,206 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 12.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.35 AU - 1.69 AU

Year: 1294 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,573,084 km

• M1: 150,495 km (0.076 R)
• M2: 530,175 km (0.101 R)
• M3: 1,050,626 km (0.067 R)
• M4: 1,648,718 km (0.09 R)
• M5: 2,108,432 km (0.107 R)
• M6: 2,744,672 km (0.097 R)
• M7: 3,428,334 km (0.084 R)
• M8: 3,928,141 km (0.112 R)
• M9: 4,384,414 km (0.112 R)
• M10: 5,054,762 km (0.085 R)
• M11: 8,965,400 km (0.109 R)
• M12: 10,536,028 km (0.12 R)
• M13: 11,144,144 km (0.07 R)
• M14: 11,991,317 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 15

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.06 AU - 4.54 AU

Year: 5113 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,573,084 km

• M1: 187,446 km (0.069 R)
• M2: 803,939 km (0.09 R)
• M3: 1,975,440 km (0.073 R)
• M4: 2,610,932 km (0.054 R)
• M5: 3,126,446 km (0.112 R)
• M6: 4,018,797 km (0.101 R)
• M7: 4,525,635 km (0.102 R)
• M8: 5,457,779 km (0.107 R)
• M9: 6,633,618 km (0.057 R)
• M10: 8,108,803 km (0.099 R)
• M11: 9,034,365 km (0.113 R)
• M12: 15,380,007 km (0.056 R)
• M13: 17,080,935 km (0.115 R)
• M14: 19,769,059 km (0.079 R)
• M15: 20,402,756 km (0.107 R)
• M16: 21,115,440 km (0.095 R)
• M17: 23,143,838 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.81 AU - 4.65 AU

Year: 6005 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,573,084 km

• M1: 111,899 km (0.105 R)
• M2: 410,497 km (0.115 R)
• M3: 1,029,233 km (0.067 R)
• M4: 1,725,013 km (0.109 R)
• M5: 2,080,308 km (0.113 R)
• M6: 3,534,250 km (0.028 R)
• M7: 4,855,797 km (0.088 R)
• M8: 5,177,283 km (0.115 R)
• M9: 5,512,981 km (0.097 R)
• M10: 6,448,267 km (0.092 R)
• M11: 10,627,582 km (0.03 R)
• M12: 20,442,100 km (0.119 R)
• M13: 21,070,860 km (0.112 R)
• M14: 23,259,926 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.5

Radius: 7.6

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.11 AU - 8.01 AU

Year: 11598 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,573,084 km

• M1: 96,341 km (0.092 R)
• M2: 424,110 km (0.092 R)
• M3: 784,790 km (0.041 R)
• M4: 1,342,790 km (0.091 R)
• M5: 3,691,028 km (0.077 R)
• M6: 4,114,241 km (0.12 R)
• M7: 5,228,146 km (0.102 R)
• M8: 7,322,517 km (0.057 R)
• M9: 10,080,952 km (0.09 R)
• M10: 12,080,327 km (0.106 R)
• M11: 12,634,438 km (0.099 R)
• M12: 14,604,193 km (0.118 R)
• M13: 15,518,086 km (0.105 R)
• M14: 17,459,418 km (0.055 R)
• M15: 18,976,789 km (0.052 R)
• M16: 19,641,153 km (0.112 R)
• M17: 21,637,836 km (0.062 R)
• M18: 23,104,045 km (0.074 R)
• M19: 25,626,265 km (0.073 R)
• M20: 26,437,684 km (0.083 R)
• M21: 29,967,146 km (0.071 R)
• M22: 30,867,875 km (0.074 R)
• M23: 33,557,495 km (0.102 R)
• M24: 36,399,556 km (0.117 R)
• M25: 37,295,497 km (0.095 R)
• M26: 38,998,071 km (0.066 R)
• M27: 46,776,711 km (0.113 R)
• M28: 47,531,283 km (0.11 R)
• M29: 49,375,226 km (0.082 R)
• M30: 52,716,046 km (0.042 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 20,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit