🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 10

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.6 AU - 0.8 AU

Year: 404 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,847,687 km

• M1: 124,316 km (0.05 R)
• M2: 470,784 km (0.091 R)
• M3: 806,033 km (0.084 R)
• M4: 1,150,408 km (0.118 R)
• M5: 1,560,755 km (0.026 R)
• M6: 1,923,829 km (0.052 R)
• M7: 2,334,325 km (0.112 R)
• M8: 3,076,779 km (0.108 R)
• M9: 3,426,539 km (0.11 R)
• M10: 3,752,962 km (0.112 R)
• M11: 4,261,295 km (0.103 R)
• M12: 4,625,267 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 14.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.83 AU - 5.43 AU

Year: 6877 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,847,687 km

• M1: 181,313 km (0.099 R)
• M2: 678,426 km (0.111 R)
• M3: 1,383,332 km (0.04 R)
• M4: 1,932,505 km (0.104 R)
• M5: 2,609,585 km (0.104 R)
• M6: 3,687,588 km (0.084 R)
• M7: 4,960,067 km (0.115 R)
• M8: 5,544,695 km (0.106 R)
• M9: 6,240,774 km (0.112 R)
• M10: 7,924,498 km (0.109 R)
• M11: 8,767,782 km (0.096 R)
• M12: 9,537,612 km (0.092 R)
• M13: 11,761,833 km (0.064 R)
• M14: 12,645,658 km (0.12 R)
• M15: 14,545,999 km (0.066 R)
• M16: 17,213,778 km (0.099 R)
• M17: 20,412,929 km (0.074 R)
• M18: 21,460,563 km (0.114 R)
• M19: 26,360,342 km (0.099 R)
• M20: 28,605,806 km (0.08 R)
• M21: 35,889,277 km (0.12 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.2

Radius: 5.1

Gravity: 37.42 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.59 AU - 6.87 AU

Year: 10734 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,847,687 km

• M1: 69,264 km (0.118 R)
• M2: 231,877 km (0.068 R)
• M3: 689,197 km (0.072 R)
• M4: 977,173 km (0.12 R)
• M5: 1,526,796 km (0.046 R)
• M6: 2,128,329 km (0.094 R)
• M7: 2,545,408 km (0.117 R)
• M8: 2,898,459 km (0.104 R)
• M9: 3,208,725 km (0.071 R)
• M10: 3,620,717 km (0.116 R)
• M11: 4,038,395 km (0.062 R)
• M12: 5,810,232 km (0.063 R)
• M13: 6,225,964 km (0.076 R)
• M14: 7,116,670 km (0.062 R)
• M15: 7,906,098 km (0.112 R)
• M16: 8,997,863 km (0.117 R)
• M17: 11,652,178 km (0.098 R)
• M18: 12,620,675 km (0.084 R)
• M19: 14,172,603 km (0.093 R)
• M20: 14,785,954 km (0.104 R)
• M21: 20,775,255 km (0.074 R)
• M22: 21,566,029 km (0.096 R)
• M23: 22,835,965 km (0.12 R)
• M24: 24,833,097 km (0.103 R)
• M25: 27,989,313 km (0.072 R)
• M26: 29,718,515 km (0.092 R)
• M27: 34,471,987 km (0.103 R)
• M28: 34,838,352 km (0.108 R)
• M29: 37,092,044 km (0.107 R)
• M30: 44,001,521 km (0.096 R)
• M31: 45,449,927 km (0.094 R)
• M32: 48,288,996 km (0.114 R)
• M33: 49,364,006 km (0.096 R)
• M34: 52,523,364 km (0.106 R)
• M35: 53,823,967 km (0.035 R)
• M36: 54,482,198 km (0.092 R)
• M37: 54,979,461 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 3.1

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.94 AU - 10.14 AU

Year: 18761 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,847,687 km

• M1: 41,289 km (0.11 R)
• M2: 268,379 km (0.114 R)
• M3: 478,115 km (0.076 R)
• M4: 649,255 km (0.099 R)
• M5: 1,113,607 km (0.086 R)
• M6: 1,276,369 km (0.104 R)
• M7: 1,738,028 km (0.091 R)
• M8: 1,861,297 km (0.099 R)
• M9: 2,567,099 km (0.063 R)
• M10: 3,411,131 km (0.101 R)
• M11: 4,743,449 km (0.085 R)
• M12: 5,524,500 km (0.101 R)
• M13: 6,032,085 km (0.075 R)
• M14: 6,315,125 km (0.092 R)
• M15: 7,061,618 km (0.11 R)
• M16: 7,577,282 km (0.091 R)
• M17: 7,740,942 km (0.115 R)
• M18: 9,461,467 km (0.095 R)
• M19: 10,335,268 km (0.119 R)
• M20: 10,843,302 km (0.116 R)
• M21: 10,998,884 km (0.103 R)
• M22: 15,066,002 km (0.102 R)
• M23: 16,051,552 km (0.114 R)
• M24: 17,219,463 km (0.087 R)
• M25: 17,573,411 km (0.047 R)
• M26: 18,738,779 km (0.081 R)
• M27: 21,710,989 km (0.118 R)
• M28: 22,041,002 km (0.051 R)
• M29: 22,458,231 km (0.043 R)
• M30: 26,924,326 km (0.088 R)
• M31: 28,077,725 km (0.11 R)
• M32: 30,174,788 km (0.086 R)
• M33: 33,130,094 km (0.111 R)
• M34: 39,853,770 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.5

Radius: 7.3

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.08 AU - 10.98 AU

Year: 21926 Days

Day: 25 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,847,687 km

• M1: 138,677 km (0.089 R)
• M2: 563,834 km (0.083 R)
• M3: 929,152 km (0.025 R)
• M4: 1,598,154 km (0.079 R)
• M5: 2,228,709 km (0.117 R)
• M6: 2,480,333 km (0.113 R)
• M7: 3,041,624 km (0.099 R)
• M8: 4,240,501 km (0.107 R)
• M9: 4,556,901 km (0.102 R)
• M10: 4,851,309 km (0.054 R)
• M11: 6,845,150 km (0.101 R)
• M12: 7,891,587 km (0.05 R)
• M13: 9,213,583 km (0.038 R)
• M14: 12,933,933 km (0.105 R)
• M15: 16,073,094 km (0.117 R)
• M16: 17,638,337 km (0.08 R)
• M17: 26,067,429 km (0.102 R)
• M18: 30,104,178 km (0.108 R)
• M19: 36,545,114 km (0.106 R)
• M20: 49,876,828 km (0.048 R)
• M21: 54,126,155 km (0.047 R)
• M22: 54,506,583 km (0.097 R)
• M23: 59,819,850 km (0.108 R)
• M24: 64,823,749 km (0.112 R)
• M25: 78,295,935 km (0.103 R)
• M26: 80,255,069 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 12,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit