🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 9.7

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 6 Hours

Environment

Temp: -142 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,307,815 km

• M1: 120,725 km (0.098 R)
• M2: 458,368 km (0.059 R)
• M3: 760,107 km (0.115 R)
• M4: 1,137,692 km (0.094 R)
• M5: 1,745,807 km (0.077 R)
• M6: 2,143,887 km (0.068 R)
• M7: 2,549,148 km (0.072 R)
• M8: 2,907,734 km (0.093 R)
• M9: 3,363,559 km (0.098 R)
• M10: 4,204,299 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 10.3

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.75 AU - 0.77 AU

Year: 442 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,307,815 km

• M1: 128,056 km (0.112 R)
• M2: 538,104 km (0.087 R)
• M3: 1,398,890 km (0.1 R)
• M4: 1,736,682 km (0.111 R)
• M5: 2,388,031 km (0.052 R)
• M6: 3,928,290 km (0.112 R)
• M7: 5,327,031 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.2

Radius: 11

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.88 AU - 1.04 AU

Year: 627 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,307,815 km

• M1: 136,732 km (0.04 R)
• M2: 532,419 km (0.049 R)
• M3: 918,531 km (0.102 R)
• M4: 1,349,522 km (0.119 R)
• M5: 1,977,684 km (0.062 R)
• M6: 2,339,860 km (0.112 R)
• M7: 2,735,247 km (0.098 R)
• M8: 3,150,382 km (0.114 R)
• M9: 4,322,182 km (0.108 R)
• M10: 4,888,559 km (0.041 R)
• M11: 6,110,774 km (0.071 R)
• M12: 6,512,444 km (0.062 R)
• M13: 6,867,739 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 12.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.56 AU - 1.88 AU

Year: 1504 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,307,815 km

• M1: 151,692 km (0.05 R)
• M2: 581,637 km (0.037 R)
• M3: 993,031 km (0.076 R)
• M4: 1,424,022 km (0.096 R)
• M5: 2,319,216 km (0.077 R)
• M6: 2,983,879 km (0.116 R)
• M7: 3,590,947 km (0.094 R)
• M8: 4,028,820 km (0.085 R)
• M9: 6,174,353 km (0.091 R)
• M10: 6,831,237 km (0.113 R)
• M11: 7,373,978 km (0.047 R)
• M12: 7,917,467 km (0.115 R)
• M13: 10,131,665 km (0.107 R)
• M14: 11,186,779 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 8.4

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.49 AU - 2.11 AU

Year: 1610 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,307,815 km

• M1: 104,569 km (0.08 R)
• M2: 451,935 km (0.054 R)
• M3: 1,023,698 km (0.066 R)
• M4: 1,622,539 km (0.061 R)
• M5: 2,599,113 km (0.115 R)
• M6: 3,034,892 km (0.083 R)
• M7: 4,166,450 km (0.078 R)
• M8: 6,960,490 km (0.095 R)
• M9: 8,008,423 km (0.072 R)
• M10: 8,868,760 km (0.114 R)
• M11: 9,587,129 km (0.108 R)
• M12: 9,994,933 km (0.026 R)
• M13: 10,845,247 km (0.065 R)
• M14: 12,770,422 km (0.039 R)
• M15: 13,264,394 km (0.086 R)
• M16: 14,246,804 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 9.7

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.28 AU - 2.46 AU

Year: 2433 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,307,815 km

• M1: 120,725 km (0.066 R)
• M2: 637,137 km (0.066 R)
• M3: 1,032,973 km (0.08 R)
• M4: 1,623,586 km (0.096 R)
• M5: 2,247,259 km (0.091 R)
• M6: 2,941,393 km (0.115 R)
• M7: 3,948,037 km (0.054 R)
• M8: 4,574,254 km (0.119 R)
• M9: 5,265,396 km (0.043 R)
• M10: 5,841,198 km (0.075 R)
• M11: 7,029,903 km (0.088 R)
• M12: 7,480,342 km (0.088 R)
• M13: 9,052,616 km (0.043 R)
• M14: 9,477,923 km (0.119 R)
• M15: 9,842,343 km (0.069 R)
• M16: 11,849,348 km (0.082 R)
• M17: 12,315,645 km (0.039 R)
• M18: 12,926,752 km (0.113 R)
• M19: 16,186,490 km (0.107 R)
• M20: 17,348,715 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 14

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.39 AU - 2.95 AU

Year: 2909 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,307,815 km

• M1: 180,265 km (0.026 R)
• M2: 651,349 km (0.089 R)
• M3: 1,127,370 km (0.113 R)
• M4: 1,856,360 km (0.088 R)
• M5: 2,972,061 km (0.05 R)
• M6: 3,595,286 km (0.103 R)
• M7: 5,127,317 km (0.04 R)
• M8: 5,724,512 km (0.096 R)
• M9: 6,542,663 km (0.081 R)
• M10: 7,800,482 km (0.077 R)
• M11: 10,827,445 km (0.069 R)
• M12: 13,344,280 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 11.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.36 AU - 4.48 AU

Year: 5176 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,307,815 km

• M1: 145,708 km (0.055 R)
• M2: 669,750 km (0.106 R)
• M3: 1,342,491 km (0.098 R)
• M4: 2,199,837 km (0.104 R)
• M5: 2,694,108 km (0.093 R)
• M6: 3,354,433 km (0.092 R)
• M7: 3,949,833 km (0.106 R)
• M8: 4,362,424 km (0.096 R)
• M9: 6,785,909 km (0.039 R)
• M10: 7,157,660 km (0.081 R)
• M11: 7,608,548 km (0.107 R)
• M12: 8,285,628 km (0.111 R)
• M13: 10,683,382 km (0.095 R)
• M14: 11,187,826 km (0.096 R)
• M15: 14,051,578 km (0.115 R)
• M16: 15,759,986 km (0.109 R)
• M17: 16,414,327 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.6

Radius: 4.1

Gravity: 58.75 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.32 AU - 8.18 AU

Year: 13018 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,307,815 km

• M1: 51,013 km (0.109 R)
• M2: 737,817 km (0.106 R)
• M3: 909,705 km (0.073 R)
• M4: 1,046,886 km (0.064 R)
• M5: 1,497,624 km (0.054 R)
• M6: 1,723,966 km (0.118 R)
• M7: 2,519,827 km (0.103 R)
• M8: 3,345,008 km (0.117 R)
• M9: 3,761,040 km (0.118 R)
• M10: 4,148,648 km (0.062 R)
• M11: 5,434,442 km (0.112 R)
• M12: 5,621,290 km (0.111 R)
• M13: 5,929,312 km (0.074 R)
• M14: 6,087,437 km (0.114 R)
• M15: 7,140,456 km (0.079 R)
• M16: 7,733,612 km (0.107 R)
• M17: 8,260,495 km (0.116 R)
• M18: 9,069,072 km (0.079 R)
• M19: 9,385,471 km (0.07 R)
• M20: 11,019,379 km (0.108 R)
• M21: 14,335,964 km (0.08 R)
• M22: 18,095,508 km (0.108 R)
• M23: 18,344,888 km (0.031 R)
• M24: 19,539,576 km (0.105 R)
• M25: 19,802,121 km (0.1 R)
• M26: 24,228,871 km (0.105 R)
• M27: 31,735,243 km (0.099 R)
• M28: 36,537,186 km (0.063 R)
• M29: 39,806,797 km (0.119 R)
• M30: 49,955,516 km (0.074 R)
• M31: 62,642,762 km (0.077 R)
• M32: 64,365,381 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.6

Radius: 7.2

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.6 AU - 9.68 AU

Year: 16936 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,307,815 km

• M1: 89,609 km (0.04 R)
• M2: 373,396 km (0.088 R)
• M3: 681,119 km (0.042 R)
• M4: 1,016,817 km (0.061 R)
• M5: 1,266,196 km (0.06 R)
• M6: 1,762,712 km (0.12 R)
• M7: 2,126,983 km (0.114 R)
• M8: 2,853,579 km (0.107 R)
• M9: 3,950,281 km (0.053 R)
• M10: 4,786,833 km (0.049 R)
• M11: 6,149,370 km (0.112 R)
• M12: 7,364,105 km (0.075 R)
• M13: 8,571,509 km (0.108 R)
• M14: 8,838,691 km (0.119 R)
• M15: 9,963,966 km (0.075 R)
• M16: 12,909,249 km (0.059 R)
• M17: 14,503,813 km (0.099 R)
• M18: 14,807,347 km (0.047 R)
• M19: 16,306,916 km (0.09 R)
• M20: 24,695,018 km (0.098 R)
• M21: 26,569,928 km (0.111 R)
• M22: 31,100,350 km (0.109 R)
• M23: 32,631,484 km (0.115 R)
• M24: 38,530,876 km (0.068 R)
• M25: 39,113,261 km (0.102 R)
• M26: 42,113,895 km (0.095 R)
• M27: 43,827,838 km (0.104 R)
• M28: 47,394,401 km (0.036 R)
• M29: 48,399,698 km (0.114 R)
• M30: 54,002,438 km (0.066 R)
• M31: 59,053,610 km (0.028 R)
• M32: 63,395,239 km (0.083 R)
• M33: 67,522,645 km (0.052 R)
• M34: 68,581,797 km (0.11 R)
• M35: 71,168,793 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 11,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit