🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 9.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,172,777 km

• M1: 116,836 km (0.111 R)
• M2: 510,578 km (0.068 R)
• M3: 805,285 km (0.075 R)
• M4: 1,244,804 km (0.12 R)
• M5: 1,563,447 km (0.109 R)
• M6: 2,134,612 km (0.101 R)
• M7: 2,427,824 km (0.084 R)
• M8: 2,857,768 km (0.091 R)
• M9: 3,307,310 km (0.092 R)
• M10: 3,625,355 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.3

Radius: 13.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.07 AU - 1.39 AU

Year: 942 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,172,777 km

• M1: 171,888 km (0.085 R)
• M2: 676,182 km (0.049 R)
• M3: 1,143,825 km (0.092 R)
• M4: 2,221,229 km (0.102 R)
• M5: 3,384,053 km (0.048 R)
• M6: 3,973,020 km (0.105 R)
• M7: 6,627,036 km (0.091 R)
• M8: 7,728,974 km (0.087 R)
• M9: 9,316,955 km (0.111 R)
• M10: 9,812,573 km (0.108 R)
• M11: 10,387,328 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 14.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.34 AU - 5.34 AU

Year: 7350 Days

Day: 14.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,172,777 km

• M1: 185,352 km (0.048 R)
• M2: 716,275 km (0.109 R)
• M3: 1,282,802 km (0.094 R)
• M4: 2,373,221 km (0.12 R)
• M5: 2,935,409 km (0.109 R)
• M6: 3,786,472 km (0.103 R)
• M7: 5,237,870 km (0.097 R)
• M8: 5,766,100 km (0.059 R)
• M9: 6,493,296 km (0.089 R)
• M10: 7,104,403 km (0.114 R)
• M11: 9,255,471 km (0.106 R)
• M12: 10,299,514 km (0.088 R)
• M13: 10,803,509 km (0.066 R)
• M14: 12,111,294 km (0.099 R)
• M15: 12,725,393 km (0.088 R)
• M16: 13,199,469 km (0.112 R)
• M17: 13,740,116 km (0.048 R)
• M18: 15,750,262 km (0.09 R)
• M19: 18,213,541 km (0.114 R)
• M20: 19,921,948 km (0.075 R)
• M21: 24,293,348 km (0.078 R)
• M22: 26,702,472 km (0.053 R)
• M23: 27,920,797 km (0.092 R)
• M24: 31,319,062 km (0.103 R)
• M25: 31,895,014 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.6

Radius: 8

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.41 AU - 6.89 AU

Year: 9270 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,172,777 km

• M1: 101,427 km (0.091 R)
• M2: 582,684 km (0.12 R)
• M3: 973,733 km (0.077 R)
• M4: 1,224,758 km (0.09 R)
• M5: 1,783,655 km (0.082 R)
• M6: 2,852,083 km (0.073 R)
• M7: 3,857,680 km (0.113 R)
• M8: 4,924,313 km (0.081 R)
• M9: 5,924,375 km (0.115 R)
• M10: 6,212,500 km (0.08 R)
• M11: 8,187,342 km (0.096 R)
• M12: 8,867,264 km (0.083 R)
• M13: 11,797,587 km (0.088 R)
• M14: 19,010,449 km (0.11 R)
• M15: 19,878,266 km (0.11 R)
• M16: 20,281,283 km (0.076 R)
• M17: 44,879,361 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 3.1

Gravity: 43.28 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.72 AU - 5.9 AU

Year: 9667 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,172,777 km

• M1: 38,596 km (0.056 R)
• M2: 159,471 km (0.03 R)
• M3: 277,504 km (0.082 R)
• M4: 385,065 km (0.115 R)
• M5: 546,481 km (0.094 R)
• M6: 768,035 km (0.041 R)
• M7: 956,230 km (0.055 R)
• M8: 1,412,054 km (0.107 R)
• M9: 1,888,075 km (0.042 R)
• M10: 2,179,641 km (0.064 R)
• M11: 2,556,628 km (0.119 R)
• M12: 3,822,226 km (0.077 R)
• M13: 4,617,338 km (0.117 R)
• M14: 5,023,646 km (0.111 R)
• M15: 5,359,344 km (0.115 R)
• M16: 5,840,750 km (0.09 R)
• M17: 6,041,211 km (0.03 R)
• M18: 6,815,529 km (0.1 R)
• M19: 7,496,648 km (0.03 R)
• M20: 8,389,000 km (0.113 R)
• M21: 9,810,180 km (0.101 R)
• M22: 11,076,825 km (0.1 R)
• M23: 11,749,267 km (0.112 R)
• M24: 13,061,540 km (0.084 R)
• M25: 13,175,084 km (0.117 R)
• M26: 15,523,621 km (0.105 R)
• M27: 15,972,714 km (0.088 R)
• M28: 16,629,299 km (0.099 R)
• M29: 19,509,657 km (0.101 R)
• M30: 20,335,587 km (0.113 R)
• M31: 20,950,583 km (0.069 R)
• M32: 25,963,608 km (0.119 R)
• M33: 26,870,022 km (0.107 R)
• M34: 29,422,311 km (0.073 R)
• M35: 29,911,945 km (0.1 R)
• M36: 35,331,427 km (0.109 R)
• M37: 39,680,985 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.6

Radius: 7

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.34 AU - 10.72 AU

Year: 21926 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,172,777 km

• M1: 87,216 km (0.081 R)
• M2: 306,676 km (0.104 R)
• M3: 570,267 km (0.064 R)
• M4: 1,164,470 km (0.106 R)
• M5: 1,484,310 km (0.08 R)
• M6: 2,367,536 km (0.091 R)
• M7: 2,736,594 km (0.045 R)
• M8: 6,614,919 km (0.101 R)
• M9: 6,838,418 km (0.111 R)
• M10: 7,067,003 km (0.072 R)
• M11: 12,443,700 km (0.051 R)
• M12: 14,965,621 km (0.083 R)
• M13: 15,586,602 km (0.092 R)
• M14: 17,552,617 km (0.095 R)
• M15: 17,895,645 km (0.077 R)
• M16: 20,612,492 km (0.095 R)
• M17: 21,186,948 km (0.088 R)
• M18: 25,621,328 km (0.114 R)
• M19: 26,847,731 km (0.093 R)
• M20: 30,390,359 km (0.108 R)
• M21: 32,659,160 km (0.109 R)
• M22: 38,530,876 km (0.119 R)
• M23: 41,335,687 km (0.085 R)
• M24: 55,373,801 km (0.078 R)
• M25: 57,043,314 km (0.09 R)
• M26: 59,129,306 km (0.111 R)
• M27: 61,462,136 km (0.086 R)
• M28: 62,851,002 km (0.105 R)
• M29: 63,251,625 km (0.106 R)
• M30: 65,485,570 km (0.079 R)
• M31: 67,771,426 km (0.114 R)
• M32: 68,404,075 km (0.03 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 11,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit