🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 13.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.83 AU - 0.95 AU

Year: 590 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,305,256 km

• M1: 164,109 km (0.063 R)
• M2: 828,024 km (0.119 R)
• M3: 1,365,978 km (0.12 R)
• M4: 2,182,483 km (0.072 R)
• M5: 2,685,731 km (0.107 R)
• M6: 3,354,283 km (0.087 R)
• M7: 3,873,986 km (0.112 R)
• M8: 4,325,024 km (0.096 R)
• M9: 4,926,108 km (0.113 R)
• M10: 6,554,481 km (0.072 R)
• M11: 7,007,314 km (0.075 R)
• M12: 7,503,231 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.4

Radius: 8.8

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.49 AU - 1.89 AU

Year: 1544 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,305,256 km

• M1: 109,506 km (0.09 R)
• M2: 414,536 km (0.084 R)
• M3: 878,738 km (0.083 R)
• M4: 1,374,505 km (0.099 R)
• M5: 2,796,134 km (0.068 R)
• M6: 3,416,217 km (0.112 R)
• M7: 3,767,922 km (0.096 R)
• M8: 4,162,112 km (0.09 R)
• M9: 5,356,950 km (0.093 R)
• M10: 6,287,748 km (0.049 R)
• M11: 6,688,970 km (0.068 R)
• M12: 7,514,899 km (0.117 R)
• M13: 7,823,819 km (0.118 R)
• M14: 8,587,815 km (0.119 R)
• M15: 9,497,819 km (0.098 R)
• M16: 10,229,951 km (0.07 R)
• M17: 10,963,280 km (0.072 R)
• M18: 12,456,715 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.2

Radius: 8.1

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.7 AU - 1.7 AU

Year: 1558 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 145.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,305,256 km

• M1: 100,829 km (0.098 R)
• M2: 477,516 km (0.091 R)
• M3: 891,603 km (0.101 R)
• M4: 1,304,942 km (0.046 R)
• M5: 1,747,902 km (0.027 R)
• M6: 2,313,082 km (0.066 R)
• M7: 2,735,098 km (0.108 R)
• M8: 3,286,216 km (0.086 R)
• M9: 4,109,005 km (0.119 R)
• M10: 4,790,872 km (0.108 R)
• M11: 5,637,147 km (0.039 R)
• M12: 7,651,482 km (0.092 R)
• M13: 8,169,989 km (0.105 R)
• M14: 9,054,561 km (0.115 R)
• M15: 10,001,366 km (0.06 R)
• M16: 10,656,604 km (0.084 R)
• M17: 12,596,440 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 13.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.42 AU - 4.58 AU

Year: 6710 Days

Day: 8.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 159.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,305,256 km

• M1: 171,589 km (0.078 R)
• M2: 702,512 km (0.107 R)
• M3: 1,323,642 km (0.095 R)
• M4: 2,046,499 km (0.067 R)
• M5: 2,635,765 km (0.075 R)
• M6: 3,250,911 km (0.059 R)
• M7: 4,211,030 km (0.087 R)
• M8: 4,688,846 km (0.108 R)
• M9: 6,516,633 km (0.11 R)
• M10: 7,533,898 km (0.105 R)
• M11: 10,684,430 km (0.049 R)
• M12: 11,275,640 km (0.09 R)
• M13: 13,405,764 km (0.107 R)
• M14: 14,506,506 km (0.081 R)
• M15: 15,048,499 km (0.039 R)
• M16: 19,373,822 km (0.094 R)
• M17: 20,780,191 km (0.093 R)
• M18: 22,174,294 km (0.066 R)
• M19: 23,056,473 km (0.101 R)
• M20: 24,128,940 km (0.099 R)
• M21: 25,494,469 km (0.117 R)
• M22: 28,379,015 km (0.069 R)
• M23: 29,227,983 km (0.085 R)
• M24: 32,079,169 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 12.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.69 AU - 5.41 AU

Year: 7977 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,305,256 km

• M1: 150,495 km (0.067 R)
• M2: 673,190 km (0.056 R)
• M3: 1,332,319 km (0.108 R)
• M4: 1,833,172 km (0.111 R)
• M5: 2,714,902 km (0.102 R)
• M6: 3,282,925 km (0.068 R)
• M7: 6,104,341 km (0.07 R)
• M8: 7,015,542 km (0.118 R)
• M9: 8,015,155 km (0.085 R)
• M10: 9,395,494 km (0.068 R)
• M11: 11,682,547 km (0.094 R)
• M12: 14,263,409 km (0.119 R)
• M13: 16,524,431 km (0.107 R)
• M14: 22,336,907 km (0.087 R)
• M15: 29,924,810 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.1

Radius: 8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.54 AU - 5.74 AU

Year: 8191 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,305,256 km

• M1: 102,475 km (0.089 R)
• M2: 382,073 km (0.077 R)
• M3: 1,232,238 km (0.077 R)
• M4: 1,727,407 km (0.106 R)
• M5: 2,126,983 km (0.065 R)
• M6: 2,893,821 km (0.089 R)
• M7: 6,322,156 km (0.105 R)
• M8: 7,679,008 km (0.094 R)
• M9: 11,088,793 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.5

Radius: 13.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.18 AU - 5.26 AU

Year: 8383 Days

Day: 9.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 113.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,305,256 km

• M1: 195,225 km (0.114 R)
• M2: 959,970 km (0.071 R)
• M3: 3,726,034 km (0.075 R)
• M4: 4,236,462 km (0.102 R)
• M5: 5,020,804 km (0.113 R)
• M6: 5,874,260 km (0.094 R)
• M7: 8,952,984 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.9

Radius: 3.8

Gravity: 40.09 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.43 AU - 7.05 AU

Year: 9667 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,305,256 km

• M1: 47,572 km (0.075 R)
• M2: 185,053 km (0.099 R)
• M3: 468,989 km (0.114 R)
• M4: 755,469 km (0.103 R)
• M5: 998,117 km (0.078 R)
• M6: 1,149,211 km (0.113 R)
• M7: 1,278,463 km (0.036 R)
• M8: 1,470,547 km (0.056 R)
• M9: 1,756,279 km (0.114 R)
• M10: 1,880,445 km (0.051 R)
• M11: 2,344,049 km (0.116 R)
• M12: 3,031,152 km (0.077 R)
• M13: 3,233,408 km (0.119 R)
• M14: 4,701,113 km (0.049 R)
• M15: 5,034,118 km (0.117 R)
• M16: 6,451,558 km (0.119 R)
• M17: 7,450,872 km (0.097 R)
• M18: 8,243,591 km (0.06 R)
• M19: 9,044,837 km (0.077 R)
• M20: 10,142,436 km (0.098 R)
• M21: 11,166,583 km (0.088 R)
• M22: 15,227,717 km (0.074 R)
• M23: 15,358,316 km (0.093 R)
• M24: 18,274,128 km (0.081 R)
• M25: 18,569,584 km (0.103 R)
• M26: 20,017,242 km (0.119 R)
• M27: 20,648,695 km (0.058 R)
• M28: 22,453,444 km (0.11 R)
• M29: 28,592,491 km (0.084 R)
• M30: 30,621,039 km (0.098 R)
• M31: 30,933,399 km (0.075 R)
• M32: 32,096,672 km (0.117 R)
• M33: 32,635,075 km (0.109 R)
• M34: 36,690,075 km (0.055 R)
• M35: 37,396,925 km (0.071 R)
• M36: 40,565,407 km (0.107 R)
• M37: 42,214,724 km (0.036 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 18,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit