🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.68 AU - 0.76 AU

Year: 394 Days

Day: 5.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,311,945 km

• M1: 162,912 km (0.036 R)
• M2: 580,141 km (0.103 R)
• M3: 1,010,683 km (0.079 R)
• M4: 1,609,523 km (0.107 R)
• M5: 2,140,446 km (0.052 R)
• M6: 2,947,377 km (0.103 R)
• M7: 3,537,990 km (0.101 R)
• M8: 4,151,491 km (0.115 R)
• M9: 5,375,650 km (0.119 R)
• M10: 6,062,903 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 12

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.64 AU - 1 AU

Year: 479 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,311,945 km

• M1: 149,299 km (0.092 R)
• M2: 526,285 km (0.118 R)
• M3: 1,244,654 km (0.039 R)
• M4: 1,907,822 km (0.088 R)
• M5: 3,089,495 km (0.052 R)
• M6: 3,715,114 km (0.11 R)
• M7: 4,285,979 km (0.073 R)
• M8: 5,112,058 km (0.096 R)
• M9: 5,604,385 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 13.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.91 AU - 1.07 AU

Year: 636 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 134 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,311,945 km

• M1: 172,935 km (0.049 R)
• M2: 630,405 km (0.049 R)
• M3: 1,107,174 km (0.029 R)
• M4: 1,964,519 km (0.114 R)
• M5: 2,504,717 km (0.109 R)
• M6: 3,106,849 km (0.104 R)
• M7: 3,610,545 km (0.107 R)
• M8: 4,621,228 km (0.061 R)
• M9: 5,460,771 km (0.062 R)
• M10: 6,160,440 km (0.11 R)
• M11: 7,047,855 km (0.113 R)
• M12: 7,785,522 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 9.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.77 AU - 2.69 AU

Year: 2150 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,311,945 km

• M1: 113,994 km (0.089 R)
• M2: 407,953 km (0.056 R)
• M3: 1,944,024 km (0.11 R)
• M4: 2,874,224 km (0.076 R)
• M5: 3,777,945 km (0.073 R)
• M6: 4,184,701 km (0.114 R)
• M7: 4,679,721 km (0.107 R)
• M8: 7,958,607 km (0.098 R)
• M9: 8,303,879 km (0.077 R)
• M10: 9,559,454 km (0.034 R)
• M11: 10,902,394 km (0.12 R)
• M12: 12,791,366 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 11.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.05 AU - 3.27 AU

Year: 2801 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,311,945 km

• M1: 148,102 km (0.1 R)
• M2: 595,848 km (0.099 R)
• M3: 1,278,613 km (0.116 R)
• M4: 1,827,188 km (0.036 R)
• M5: 2,352,726 km (0.115 R)
• M6: 3,613,237 km (0.072 R)
• M7: 5,511,186 km (0.114 R)
• M8: 5,882,787 km (0.047 R)
• M9: 8,582,430 km (0.075 R)
• M10: 9,794,322 km (0.073 R)
• M11: 10,461,678 km (0.051 R)
• M12: 11,583,513 km (0.076 R)
• M13: 12,692,332 km (0.118 R)
• M14: 13,296,259 km (0.083 R)
• M15: 14,511,442 km (0.107 R)
• M16: 15,017,681 km (0.096 R)
• M17: 17,843,136 km (0.092 R)
• M18: 19,259,679 km (0.084 R)
• M19: 20,749,823 km (0.069 R)
• M20: 21,983,108 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 9.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.65 AU - 5.65 AU

Year: 6474 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,311,945 km

• M1: 123,269 km (0.056 R)
• M2: 778,358 km (0.071 R)
• M3: 1,302,848 km (0.118 R)
• M4: 2,438,296 km (0.071 R)
• M5: 3,305,963 km (0.118 R)
• M6: 4,584,128 km (0.118 R)
• M7: 11,195,007 km (0.095 R)
• M8: 11,836,632 km (0.12 R)
• M9: 14,651,017 km (0.12 R)
• M10: 19,144,488 km (0.099 R)
• M11: 21,353,450 km (0.048 R)
• M12: 21,913,545 km (0.062 R)
• M13: 24,176,811 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.7

Radius: 4.4

Gravity: 51.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.71 AU - 11.13 AU

Year: 17201 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,311,945 km

• M1: 55,052 km (0.046 R)
• M2: 450,888 km (0.108 R)
• M3: 649,853 km (0.099 R)
• M4: 906,413 km (0.026 R)
• M5: 1,077,853 km (0.092 R)
• M6: 1,422,975 km (0.089 R)
• M7: 1,992,793 km (0.116 R)
• M8: 2,677,951 km (0.07 R)
• M9: 4,999,411 km (0.065 R)
• M10: 6,157,897 km (0.056 R)
• M11: 6,685,828 km (0.102 R)
• M12: 6,914,414 km (0.042 R)
• M13: 8,188,389 km (0.034 R)
• M14: 8,450,185 km (0.069 R)
• M15: 8,609,956 km (0.117 R)
• M16: 9,611,065 km (0.084 R)
• M17: 10,502,818 km (0.028 R)
• M18: 12,380,570 km (0.03 R)
• M19: 17,037,701 km (0.109 R)
• M20: 20,270,362 km (0.077 R)
• M21: 20,943,104 km (0.113 R)
• M22: 22,333,017 km (0.101 R)
• M23: 22,536,470 km (0.111 R)
• M24: 23,050,489 km (0.102 R)
• M25: 25,184,951 km (0.103 R)
• M26: 30,337,401 km (0.105 R)
• M27: 32,113,277 km (0.084 R)
• M28: 35,042,104 km (0.076 R)
• M29: 38,580,692 km (0.115 R)
• M30: 42,975,429 km (0.116 R)
• M31: 45,374,081 km (0.111 R)
• M32: 55,117,540 km (0.05 R)
• M33: 59,492,680 km (0.055 R)
• M34: 59,687,905 km (0.074 R)
• M35: 60,670,912 km (0.095 R)
• M36: 71,320,785 km (0.061 R)
• M37: 75,815,752 km (0.118 R)
• M38: 76,505,847 km (0.088 R)
• M39: 77,432,606 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.5

Radius: 7.3

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.7 AU - 11.5 AU

Year: 20725 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,311,945 km

• M1: 100,380 km (0.077 R)
• M2: 405,111 km (0.11 R)
• M3: 647,908 km (0.071 R)
• M4: 875,746 km (0.085 R)
• M5: 1,171,950 km (0.108 R)
• M6: 1,551,480 km (0.08 R)
• M7: 1,854,714 km (0.084 R)
• M8: 4,835,003 km (0.098 R)
• M9: 5,812,476 km (0.037 R)
• M10: 6,281,914 km (0.11 R)
• M11: 7,541,528 km (0.069 R)
• M12: 9,705,012 km (0.112 R)
• M13: 10,061,803 km (0.032 R)
• M14: 13,238,813 km (0.102 R)
• M15: 16,185,143 km (0.083 R)
• M16: 17,199,566 km (0.055 R)
• M17: 19,075,823 km (0.117 R)
• M18: 19,541,820 km (0.12 R)
• M19: 20,111,190 km (0.09 R)
• M20: 20,985,739 km (0.117 R)
• M21: 23,441,538 km (0.086 R)
• M22: 24,192,369 km (0.053 R)
• M23: 24,519,091 km (0.095 R)
• M24: 31,042,456 km (0.096 R)
• M25: 32,340,965 km (0.12 R)
• M26: 40,135,912 km (0.07 R)
• M27: 41,676,022 km (0.109 R)
• M28: 42,460,663 km (0.072 R)
• M29: 45,532,057 km (0.068 R)
• M30: 46,030,218 km (0.065 R)
• M31: 47,037,460 km (0.062 R)
• M32: 53,759,790 km (0.075 R)
• M33: 62,311,103 km (0.05 R)
• M34: 63,336,746 km (0.12 R)
• M35: 64,582,298 km (0.119 R)
• M36: 67,122,021 km (0.103 R)
• M37: 68,416,641 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 20,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit