🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 10.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 124 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,433,838 km

• M1: 134,339 km (0.069 R)
• M2: 514,916 km (0.074 R)
• M3: 865,723 km (0.043 R)
• M4: 1,222,813 km (0.111 R)
• M5: 1,567,935 km (0.047 R)
• M6: 1,963,023 km (0.077 R)
• M7: 2,305,154 km (0.03 R)
• M8: 2,707,572 km (0.059 R)
• M9: 3,156,964 km (0.102 R)
• M10: 3,977,359 km (0.077 R)
• M11: 4,618,984 km (0.12 R)
• M12: 5,442,371 km (0.098 R)
• M13: 5,811,877 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 8.8

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.75 AU - 1.15 AU

Year: 617 Days

Day: 14.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,433,838 km

• M1: 109,506 km (0.116 R)
• M2: 783,743 km (0.084 R)
• M3: 1,306,588 km (0.102 R)
• M4: 1,659,190 km (0.116 R)
• M5: 2,084,497 km (0.098 R)
• M6: 2,359,308 km (0.074 R)
• M7: 2,658,504 km (0.106 R)
• M8: 3,167,735 km (0.112 R)
• M9: 3,533,203 km (0.105 R)
• M10: 3,840,177 km (0.094 R)
• M11: 4,334,000 km (0.051 R)
• M12: 4,752,276 km (0.104 R)
• M13: 5,521,807 km (0.077 R)
• M14: 6,033,581 km (0.073 R)
• M15: 6,412,513 km (0.115 R)
• M16: 6,701,835 km (0.056 R)
• M17: 7,783,727 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 11.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,433,838 km

• M1: 140,622 km (0.099 R)
• M2: 539,300 km (0.073 R)
• M3: 903,272 km (0.112 R)
• M4: 1,313,769 km (0.114 R)
• M5: 2,273,439 km (0.068 R)
• M6: 2,730,460 km (0.104 R)
• M7: 3,178,805 km (0.025 R)
• M8: 3,779,141 km (0.096 R)
• M9: 4,526,981 km (0.119 R)
• M10: 5,046,684 km (0.053 R)
• M11: 5,487,549 km (0.091 R)
• M12: 6,151,614 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 11.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.9 AU - 1.3 AU

Year: 769 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,433,838 km

• M1: 144,960 km (0.057 R)
• M2: 563,685 km (0.119 R)
• M3: 981,661 km (0.113 R)
• M4: 1,520,363 km (0.096 R)
• M5: 2,096,016 km (0.047 R)
• M6: 3,043,718 km (0.117 R)
• M7: 4,170,340 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 9.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.09 AU - 2.63 AU

Year: 2418 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,433,838 km

• M1: 116,986 km (0.101 R)
• M2: 501,153 km (0.117 R)
• M3: 811,718 km (0.103 R)
• M4: 1,983,518 km (0.086 R)
• M5: 2,328,940 km (0.046 R)
• M6: 2,817,377 km (0.044 R)
• M7: 5,414,396 km (0.105 R)
• M8: 5,747,999 km (0.085 R)
• M9: 6,325,746 km (0.054 R)
• M10: 6,997,141 km (0.092 R)
• M11: 7,655,970 km (0.116 R)
• M12: 8,769,726 km (0.04 R)
• M13: 10,786,006 km (0.06 R)
• M14: 12,142,410 km (0.088 R)
• M15: 13,522,301 km (0.114 R)
• M16: 15,096,968 km (0.076 R)
• M17: 16,740,301 km (0.101 R)

Asteroid Belt

Center: 2.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 13.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.42 AU - 3.76 AU

Year: 4536 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,433,838 km

• M1: 172,935 km (0.063 R)
• M2: 677,678 km (0.083 R)
• M3: 2,244,267 km (0.114 R)
• M4: 2,783,867 km (0.061 R)
• M5: 4,946,753 km (0.094 R)
• M6: 5,559,506 km (0.081 R)
• M7: 6,496,437 km (0.081 R)
• M8: 6,938,200 km (0.086 R)
• M9: 7,535,993 km (0.096 R)
• M10: 10,278,271 km (0.073 R)
• M11: 11,369,588 km (0.049 R)
• M12: 13,833,764 km (0.06 R)
• M13: 14,568,289 km (0.078 R)
• M14: 15,163,689 km (0.086 R)
• M15: 19,018,826 km (0.097 R)
• M16: 19,599,715 km (0.053 R)
• M17: 21,344,624 km (0.088 R)
• M18: 21,901,727 km (0.115 R)
• M19: 26,156,888 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.3

Radius: 3.8

Gravity: 61.59 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.68 AU - 10 AU

Year: 20584 Days

Day: 19.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,433,838 km

• M1: 47,722 km (0.117 R)
• M2: 255,364 km (0.096 R)
• M3: 997,668 km (0.119 R)
• M4: 1,275,771 km (0.06 R)
• M5: 2,566,501 km (0.065 R)
• M6: 2,870,634 km (0.091 R)
• M7: 3,830,603 km (0.114 R)
• M8: 5,141,080 km (0.073 R)
• M9: 6,223,421 km (0.096 R)
• M10: 8,386,307 km (0.081 R)
• M11: 13,215,775 km (0.075 R)
• M12: 21,802,394 km (0.056 R)
• M13: 25,709,740 km (0.12 R)
• M14: 36,877,072 km (0.059 R)
• M15: 38,503,799 km (0.106 R)
• M16: 39,869,927 km (0.044 R)
• M17: 46,673,788 km (0.116 R)
• M18: 47,359,395 km (0.103 R)
• M19: 57,479,840 km (0.1 R)
• M20: 58,267,473 km (0.1 R)
• M21: 58,862,873 km (0.029 R)
• M22: 59,462,311 km (0.102 R)
• M23: 62,313,796 km (0.05 R)
• M24: 72,551,377 km (0.054 R)
• M25: 74,631,535 km (0.051 R)
• M26: 74,865,058 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757

Radius: 3.2

Gravity: 73.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.4 AU - 12.34 AU

Year: 20678 Days

Day: 23.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,433,838 km

• M1: 47,123 km (0.098 R)
• M2: 216,468 km (0.09 R)
• M3: 394,340 km (0.07 R)
• M4: 532,419 km (0.071 R)
• M5: 955,482 km (0.047 R)
• M6: 1,193,342 km (0.091 R)
• M7: 1,404,425 km (0.095 R)
• M8: 1,519,017 km (0.117 R)
• M9: 1,675,496 km (0.099 R)
• M10: 2,343,301 km (0.07 R)
• M11: 2,876,767 km (0.118 R)
• M12: 3,089,346 km (0.078 R)
• M13: 3,697,611 km (0.034 R)
• M14: 5,703,120 km (0.032 R)
• M15: 6,476,391 km (0.118 R)
• M16: 6,703,032 km (0.037 R)
• M17: 7,076,578 km (0.101 R)
• M18: 7,662,702 km (0.112 R)
• M19: 8,439,863 km (0.067 R)
• M20: 10,704,176 km (0.078 R)
• M21: 14,616,909 km (0.109 R)
• M22: 18,467,857 km (0.083 R)
• M23: 20,237,899 km (0.111 R)
• M24: 22,528,093 km (0.116 R)
• M25: 37,029,063 km (0.091 R)
• M26: 40,893,625 km (0.113 R)
• M27: 42,291,468 km (0.102 R)
• M28: 45,346,705 km (0.086 R)
• M29: 45,676,568 km (0.09 R)
• M30: 49,064,062 km (0.063 R)
• M31: 49,237,746 km (0.115 R)
• M32: 50,641,572 km (0.083 R)
• M33: 52,433,754 km (0.114 R)
• M34: 55,200,418 km (0.09 R)
• M35: 62,234,360 km (0.111 R)
• M36: 66,813,850 km (0.081 R)
• M37: 80,433,838 km (0.047 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 11,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit