🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 11.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.86 AU - 1.4 AU

Year: 844 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,359,774 km

• M1: 152,739 km (0.065 R)
• M2: 631,303 km (0.117 R)
• M3: 1,202,468 km (0.097 R)
• M4: 1,678,937 km (0.1 R)
• M5: 2,572,335 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.8

Radius: 10.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.26 AU - 1.52 AU

Year: 1152 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,359,774 km

• M1: 133,142 km (0.082 R)
• M2: 518,955 km (0.093 R)
• M3: 1,179,130 km (0.095 R)
• M4: 2,208,364 km (0.096 R)
• M5: 3,963,895 km (0.112 R)
• M6: 4,750,331 km (0.067 R)
• M7: 5,542,302 km (0.063 R)
• M8: 5,890,865 km (0.057 R)
• M9: 7,092,435 km (0.113 R)
• M10: 8,374,938 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 12.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.26 AU - 1.66 AU

Year: 1240 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,359,774 km

• M1: 153,487 km (0.048 R)
• M2: 571,015 km (0.086 R)
• M3: 1,338,303 km (0.082 R)
• M4: 1,976,188 km (0.079 R)
• M5: 2,384,440 km (0.096 R)
• M6: 2,863,004 km (0.109 R)
• M7: 3,405,446 km (0.072 R)
• M8: 3,965,092 km (0.087 R)
• M9: 4,585,474 km (0.089 R)
• M10: 5,047,582 km (0.062 R)
• M11: 5,865,284 km (0.102 R)
• M12: 7,115,772 km (0.1 R)
• M13: 8,508,229 km (0.061 R)
• M14: 9,359,740 km (0.075 R)
• M15: 11,405,042 km (0.116 R)
• M16: 12,184,747 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 13.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.37 AU - 1.79 AU

Year: 1396 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,359,774 km

• M1: 166,652 km (0.109 R)
• M2: 652,696 km (0.058 R)
• M3: 1,076,057 km (0.06 R)
• M4: 1,543,401 km (0.117 R)
• M5: 2,489,009 km (0.069 R)
• M6: 3,159,507 km (0.113 R)
• M7: 4,544,185 km (0.094 R)
• M8: 5,030,228 km (0.041 R)
• M9: 5,663,775 km (0.027 R)
• M10: 7,332,988 km (0.04 R)
• M11: 8,149,344 km (0.094 R)
• M12: 9,438,279 km (0.071 R)
• M13: 10,717,790 km (0.11 R)
• M14: 11,807,162 km (0.099 R)
• M15: 12,809,916 km (0.034 R)
• M16: 13,373,002 km (0.107 R)
• M17: 14,121,141 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.3

Radius: 10.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.32 AU - 2.54 AU

Year: 2663 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,359,774 km

• M1: 133,441 km (0.1 R)
• M2: 531,671 km (0.114 R)
• M3: 970,142 km (0.073 R)
• M4: 1,649,616 km (0.064 R)
• M5: 2,329,089 km (0.095 R)
• M6: 2,802,267 km (0.094 R)
• M7: 3,943,250 km (0.077 R)
• M8: 4,406,405 km (0.106 R)
• M9: 4,928,203 km (0.116 R)
• M10: 6,469,061 km (0.077 R)
• M11: 7,990,920 km (0.076 R)
• M12: 9,703,067 km (0.088 R)
• M13: 10,626,086 km (0.059 R)
• M14: 11,850,844 km (0.042 R)
• M15: 12,223,492 km (0.09 R)
• M16: 13,167,455 km (0.09 R)
• M17: 14,067,137 km (0.077 R)
• M18: 14,532,087 km (0.1 R)
• M19: 16,038,837 km (0.108 R)
• M20: 17,647,313 km (0.092 R)
• M21: 18,297,914 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.6

Radius: 13.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.09 AU - 3.19 AU

Year: 3911 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,359,774 km

• M1: 164,857 km (0.06 R)
• M2: 604,375 km (0.103 R)
• M3: 1,082,490 km (0.082 R)
• M4: 1,512,883 km (0.053 R)
• M5: 2,507,410 km (0.076 R)
• M6: 4,617,039 km (0.095 R)
• M7: 5,258,365 km (0.1 R)
• M8: 6,438,692 km (0.107 R)
• M9: 7,477,051 km (0.108 R)
• M10: 8,737,413 km (0.103 R)
• M11: 9,398,636 km (0.099 R)
• M12: 11,676,413 km (0.12 R)
• M13: 12,527,625 km (0.103 R)
• M14: 12,968,639 km (0.09 R)
• M15: 14,037,965 km (0.063 R)
• M16: 15,165,185 km (0.063 R)
• M17: 15,610,239 km (0.088 R)
• M18: 20,756,854 km (0.06 R)
• M19: 22,577,011 km (0.065 R)
• M20: 25,192,281 km (0.105 R)
• M21: 27,261,370 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.7

Radius: 9.1

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.91 AU - 3.85 AU

Year: 4368 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,359,774 km

• M1: 113,096 km (0.099 R)
• M2: 815,308 km (0.093 R)
• M3: 1,237,623 km (0.095 R)
• M4: 2,343,301 km (0.056 R)
• M5: 2,899,955 km (0.044 R)
• M6: 3,267,068 km (0.114 R)
• M7: 4,276,255 km (0.115 R)
• M8: 5,701,773 km (0.115 R)
• M9: 6,522,766 km (0.109 R)
• M10: 8,074,844 km (0.032 R)
• M11: 9,697,981 km (0.091 R)
• M12: 11,215,352 km (0.073 R)
• M13: 12,643,713 km (0.101 R)
• M14: 13,830,174 km (0.099 R)
• M15: 15,197,348 km (0.106 R)
• M16: 15,746,522 km (0.094 R)
• M17: 16,652,487 km (0.091 R)
• M18: 20,033,100 km (0.096 R)
• M19: 24,737,205 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 5.1

Gravity: 32.93 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.8 AU - 10.38 AU

Year: 22529 Days

Day: 21.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 91,359,774 km

• M1: 63,579 km (0.07 R)
• M2: 339,438 km (0.116 R)
• M3: 920,476 km (0.112 R)
• M4: 1,928,017 km (0.089 R)
• M5: 2,094,819 km (0.12 R)
• M6: 4,270,421 km (0.104 R)
• M7: 5,364,729 km (0.088 R)
• M8: 7,984,338 km (0.049 R)
• M9: 8,752,074 km (0.119 R)
• M10: 9,749,144 km (0.102 R)
• M11: 11,484,928 km (0.099 R)
• M12: 11,758,542 km (0.118 R)
• M13: 12,247,578 km (0.084 R)
• M14: 13,341,437 km (0.092 R)
• M15: 13,796,664 km (0.101 R)
• M16: 16,229,275 km (0.079 R)
• M17: 16,400,863 km (0.071 R)
• M18: 17,818,303 km (0.08 R)
• M19: 22,133,304 km (0.056 R)
• M20: 24,082,864 km (0.114 R)
• M21: 25,099,232 km (0.071 R)
• M22: 25,559,993 km (0.118 R)
• M23: 28,443,791 km (0.05 R)
• M24: 28,818,833 km (0.113 R)
• M25: 32,616,225 km (0.086 R)
• M26: 34,563,242 km (0.045 R)
• M27: 36,586,553 km (0.07 R)
• M28: 54,719,460 km (0.102 R)
• M29: 56,079,305 km (0.07 R)
• M30: 56,275,278 km (0.119 R)
• M31: 59,271,873 km (0.073 R)
• M32: 62,372,887 km (0.1 R)
• M33: 64,070,225 km (0.11 R)
• M34: 64,714,543 km (0.062 R)
• M35: 65,580,415 km (0.039 R)
• M36: 66,673,527 km (0.057 R)
• M37: 67,778,756 km (0.072 R)
• M38: 69,346,542 km (0.08 R)
• M39: 75,859,584 km (0.09 R)
• M40: 79,017,446 km (0.201 R)
• M41: 85,853,620 km (0.099 R)
• M42: 87,424,547 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.8

Radius: 5.1

Gravity: 33.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.71 AU - 11.03 AU

Year: 23473 Days

Day: 24.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,359,774 km

• M1: 64,028 km (0.093 R)
• M2: 330,462 km (0.115 R)
• M3: 709,543 km (0.119 R)
• M4: 1,188,705 km (0.119 R)
• M5: 2,359,906 km (0.047 R)
• M6: 2,730,909 km (0.061 R)
• M7: 2,917,009 km (0.092 R)
• M8: 3,557,587 km (0.09 R)
• M9: 4,839,491 km (0.099 R)
• M10: 6,973,355 km (0.103 R)
• M11: 8,663,213 km (0.091 R)
• M12: 9,481,663 km (0.114 R)
• M13: 11,544,019 km (0.091 R)
• M14: 12,173,976 km (0.081 R)
• M15: 12,826,521 km (0.106 R)
• M16: 14,122,189 km (0.115 R)
• M17: 15,502,827 km (0.076 R)
• M18: 15,925,292 km (0.12 R)
• M19: 19,005,063 km (0.111 R)
• M20: 19,294,535 km (0.08 R)
• M21: 20,990,526 km (0.065 R)
• M22: 25,954,483 km (0.085 R)
• M23: 28,517,393 km (0.084 R)
• M24: 29,795,109 km (0.096 R)
• M25: 32,601,565 km (0.077 R)
• M26: 35,725,468 km (0.1 R)
• M27: 43,722,371 km (0.119 R)
• M28: 44,395,861 km (0.081 R)
• M29: 49,304,466 km (0.089 R)
• M30: 59,975,282 km (0.098 R)
• M31: 65,296,179 km (0.089 R)
• M32: 69,544,310 km (0.093 R)
• M33: 76,134,994 km (0.055 R)
• M34: 83,645,106 km (0.11 R)
• M35: 86,782,323 km (0.099 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: 497 - 11,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit