🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 9.8

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.52 AU - 0.84 AU

Year: 387 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,908,548 km

• M1: 128,355 km (0.069 R)
• M2: 657,632 km (0.087 R)
• M3: 1,022,352 km (0.119 R)
• M4: 1,404,126 km (0.073 R)
• M5: 2,650,126 km (0.112 R)
• M6: 3,107,297 km (0.098 R)
• M7: 3,736,805 km (0.079 R)
• M8: 4,408,200 km (0.067 R)
• M9: 4,830,964 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 8.4

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.53 AU - 0.87 AU

Year: 404 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,908,548 km

• M1: 104,419 km (0.068 R)
• M2: 529,726 km (0.065 R)
• M3: 1,143,526 km (0.077 R)
• M4: 1,419,534 km (0.115 R)
• M5: 2,050,688 km (0.106 R)
• M6: 2,369,630 km (0.097 R)
• M7: 2,964,431 km (0.106 R)
• M8: 3,291,452 km (0.063 R)
• M9: 3,555,493 km (0.103 R)
• M10: 4,045,426 km (0.032 R)
• M11: 4,594,300 km (0.111 R)
• M12: 5,304,441 km (0.04 R)
• M13: 5,567,883 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 13.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.71 AU - 1.07 AU

Year: 580 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,908,548 km

• M1: 165,455 km (0.101 R)
• M2: 743,053 km (0.095 R)
• M3: 1,251,985 km (0.082 R)
• M4: 1,676,843 km (0.032 R)
• M5: 2,367,536 km (0.094 R)
• M6: 2,913,119 km (0.107 R)
• M7: 3,889,844 km (0.118 R)
• M8: 4,446,797 km (0.118 R)
• M9: 4,971,287 km (0.043 R)
• M10: 5,684,719 km (0.083 R)
• M11: 6,445,275 km (0.025 R)
• M12: 7,032,297 km (0.092 R)
• M13: 7,450,872 km (0.079 R)
• M14: 8,003,336 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.5

Radius: 11.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.97 AU - 1.07 AU

Year: 711 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,908,548 km

• M1: 138,528 km (0.092 R)
• M2: 595,848 km (0.072 R)
• M3: 1,118,094 km (0.072 R)
• M4: 1,708,258 km (0.078 R)
• M5: 2,076,269 km (0.083 R)
• M6: 2,508,607 km (0.1 R)
• M7: 3,231,164 km (0.062 R)
• M8: 3,599,175 km (0.119 R)
• M9: 4,307,671 km (0.104 R)
• M10: 5,197,180 km (0.098 R)
• M11: 6,434,055 km (0.098 R)
• M12: 6,887,187 km (0.114 R)
• M13: 7,269,409 km (0.066 R)
• M14: 8,553,707 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 9.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.04 AU - 1.64 AU

Year: 1071 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,908,548 km

• M1: 118,182 km (0.087 R)
• M2: 436,975 km (0.066 R)
• M3: 959,072 km (0.09 R)
• M4: 1,365,081 km (0.085 R)
• M5: 1,663,678 km (0.099 R)
• M6: 1,997,132 km (0.116 R)
• M7: 2,353,623 km (0.115 R)
• M8: 2,657,606 km (0.114 R)
• M9: 3,039,230 km (0.113 R)
• M10: 3,732,018 km (0.114 R)
• M11: 4,132,192 km (0.111 R)
• M12: 4,629,157 km (0.117 R)
• M13: 4,982,357 km (0.112 R)
• M14: 5,644,028 km (0.03 R)
• M15: 6,362,996 km (0.089 R)
• M16: 7,049,650 km (0.053 R)
• M17: 7,663,001 km (0.07 R)
• M18: 8,057,940 km (0.06 R)
• M19: 8,362,970 km (0.084 R)
• M20: 8,808,323 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 9

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.39 AU - 1.63 AU

Year: 1281 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,908,548 km

• M1: 111,899 km (0.103 R)
• M2: 568,622 km (0.107 R)
• M3: 885,171 km (0.086 R)
• M4: 1,405,173 km (0.071 R)
• M5: 1,755,381 km (0.089 R)
• M6: 2,354,072 km (0.115 R)
• M7: 2,674,660 km (0.066 R)
• M8: 3,218,000 km (0.08 R)
• M9: 3,937,266 km (0.117 R)
• M10: 5,148,560 km (0.104 R)
• M11: 5,828,632 km (0.076 R)
• M12: 6,869,235 km (0.082 R)
• M13: 7,638,018 km (0.081 R)
• M14: 8,029,217 km (0.114 R)
• M15: 8,404,259 km (0.075 R)
• M16: 9,127,714 km (0.118 R)
• M17: 11,583,662 km (0.081 R)
• M18: 12,025,874 km (0.117 R)
• M19: 12,904,761 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 10.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.36 AU - 2.9 AU

Year: 2944 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,908,548 km

• M1: 129,402 km (0.038 R)
• M2: 605,871 km (0.105 R)
• M3: 947,254 km (0.04 R)
• M4: 1,341,594 km (0.084 R)
• M5: 1,981,723 km (0.1 R)
• M6: 2,726,571 km (0.113 R)
• M7: 3,666,045 km (0.08 R)
• M8: 5,415,443 km (0.108 R)
• M9: 7,030,053 km (0.118 R)
• M10: 7,722,541 km (0.081 R)
• M11: 8,085,466 km (0.103 R)
• M12: 8,813,259 km (0.086 R)
• M13: 10,362,495 km (0.114 R)
• M14: 12,329,557 km (0.116 R)
• M15: 12,659,271 km (0.09 R)
• M16: 15,561,021 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 9.3

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.05 AU - 3.67 AU

Year: 4251 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,908,548 km

• M1: 115,789 km (0.117 R)
• M2: 404,961 km (0.086 R)
• M3: 994,975 km (0.104 R)
• M4: 1,338,153 km (0.106 R)
• M5: 2,769,356 km (0.049 R)
• M6: 3,179,852 km (0.114 R)
• M7: 3,609,198 km (0.105 R)
• M8: 4,946,154 km (0.099 R)
• M9: 6,146,378 km (0.114 R)
• M10: 6,814,781 km (0.088 R)
• M11: 7,115,623 km (0.033 R)
• M12: 13,174,037 km (0.097 R)
• M13: 15,742,483 km (0.102 R)
• M14: 19,085,248 km (0.084 R)
• M15: 19,819,923 km (0.114 R)
• M16: 23,398,753 km (0.074 R)
• M17: 25,580,189 km (0.12 R)
• M18: 26,146,117 km (0.097 R)
• M19: 28,064,261 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 11.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.59 AU - 5.81 AU

Year: 7033 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,908,548 km

• M1: 144,362 km (0.06 R)
• M2: 509,082 km (0.099 R)
• M3: 988,842 km (0.052 R)
• M4: 1,530,685 km (0.097 R)
• M5: 2,428,273 km (0.12 R)
• M6: 3,714,665 km (0.068 R)
• M7: 4,456,969 km (0.064 R)
• M8: 4,823,484 km (0.114 R)
• M9: 6,015,031 km (0.108 R)
• M10: 7,648,191 km (0.108 R)
• M11: 8,175,972 km (0.052 R)
• M12: 8,971,983 km (0.089 R)
• M13: 10,857,813 km (0.104 R)
• M14: 12,372,193 km (0.092 R)
• M15: 13,206,799 km (0.031 R)
• M16: 13,747,296 km (0.088 R)
• M17: 14,930,316 km (0.025 R)
• M18: 16,674,029 km (0.086 R)
• M19: 18,416,096 km (0.077 R)
• M20: 19,159,448 km (0.089 R)
• M21: 20,634,184 km (0.077 R)
• M22: 24,367,399 km (0.059 R)
• M23: 25,016,803 km (0.117 R)
• M24: 27,555,928 km (0.106 R)
• M25: 29,159,168 km (0.041 R)
• M26: 31,871,826 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.4

Radius: 6.7

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.78 AU - 8.66 AU

Year: 14806 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,908,548 km

• M1: 83,476 km (0.087 R)
• M2: 386,860 km (0.078 R)
• M3: 633,996 km (0.081 R)
• M4: 846,574 km (0.114 R)
• M5: 1,321,099 km (0.112 R)
• M6: 1,594,115 km (0.087 R)
• M7: 2,255,038 km (0.115 R)
• M8: 4,041,686 km (0.103 R)
• M9: 5,593,614 km (0.052 R)
• M10: 6,609,234 km (0.115 R)
• M11: 8,532,614 km (0.032 R)
• M12: 10,741,127 km (0.103 R)
• M13: 12,496,808 km (0.118 R)
• M14: 12,896,533 km (0.068 R)
• M15: 13,373,451 km (0.111 R)
• M16: 17,705,806 km (0.041 R)
• M17: 22,890,269 km (0.108 R)
• M18: 23,589,340 km (0.116 R)
• M19: 23,893,323 km (0.119 R)
• M20: 26,419,732 km (0.106 R)
• M21: 29,118,926 km (0.089 R)
• M22: 39,436,691 km (0.076 R)
• M23: 40,876,272 km (0.113 R)
• M24: 44,473,652 km (0.115 R)
• M25: 48,930,771 km (0.064 R)
• M26: 54,202,749 km (0.066 R)
• M27: 55,265,044 km (0.045 R)
• M28: 65,857,620 km (0.104 R)
• M29: 68,908,519 km (0.037 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 15,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit