🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 11

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,130,636 km

• M1: 136,732 km (0.116 R)
• M2: 509,381 km (0.115 R)
• M3: 891,005 km (0.1 R)
• M4: 1,283,999 km (0.057 R)
• M5: 1,639,293 km (0.117 R)
• M6: 2,075,970 km (0.116 R)
• M7: 2,521,173 km (0.1 R)
• M8: 3,059,127 km (0.096 R)
• M9: 3,818,037 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.5

Radius: 9.7

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.67 AU - 0.77 AU

Year: 414 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,130,636 km

• M1: 120,576 km (0.052 R)
• M2: 521,498 km (0.119 R)
• M3: 902,524 km (0.106 R)
• M4: 1,254,079 km (0.088 R)
• M5: 1,595,312 km (0.071 R)
• M6: 2,318,019 km (0.028 R)
• M7: 2,650,425 km (0.09 R)
• M8: 3,060,024 km (0.112 R)
• M9: 3,425,043 km (0.085 R)
• M10: 4,117,083 km (0.047 R)
• M11: 5,041,747 km (0.067 R)
• M12: 5,367,871 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 8.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.1 AU - 1.54 AU

Year: 1029 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,130,636 km

• M1: 108,159 km (0.034 R)
• M2: 405,111 km (0.114 R)
• M3: 893,249 km (0.047 R)
• M4: 1,452,745 km (0.046 R)
• M5: 1,838,259 km (0.103 R)
• M6: 4,063,228 km (0.076 R)
• M7: 4,528,328 km (0.097 R)
• M8: 6,180,636 km (0.118 R)
• M9: 7,336,878 km (0.06 R)
• M10: 7,736,753 km (0.077 R)
• M11: 8,786,930 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 8.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.28 AU - 2.84 AU

Year: 2778 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,130,636 km

• M1: 109,506 km (0.092 R)
• M2: 448,943 km (0.096 R)
• M3: 792,121 km (0.097 R)
• M4: 1,301,801 km (0.103 R)
• M5: 1,991,896 km (0.104 R)
• M6: 2,348,537 km (0.118 R)
• M7: 2,906,687 km (0.113 R)
• M8: 3,531,856 km (0.029 R)
• M9: 4,392,941 km (0.063 R)
• M10: 4,724,151 km (0.077 R)
• M11: 5,024,693 km (0.087 R)
• M12: 6,138,150 km (0.116 R)
• M13: 6,609,683 km (0.084 R)
• M14: 7,438,904 km (0.107 R)
• M15: 7,846,708 km (0.118 R)
• M16: 16,152,830 km (0.072 R)
• M17: 16,837,390 km (0.117 R)
• M18: 17,651,202 km (0.066 R)
• M19: 18,377,350 km (0.104 R)
• M20: 19,533,443 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 12.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.85 AU - 4.51 AU

Year: 4788 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,130,636 km

• M1: 155,432 km (0.055 R)
• M2: 836,102 km (0.103 R)
• M3: 1,305,541 km (0.065 R)
• M4: 1,827,338 km (0.119 R)
• M5: 2,285,556 km (0.082 R)
• M6: 2,835,628 km (0.088 R)
• M7: 3,543,824 km (0.115 R)
• M8: 4,791,171 km (0.077 R)
• M9: 5,196,731 km (0.066 R)
• M10: 6,259,624 km (0.112 R)
• M11: 6,941,341 km (0.047 R)
• M12: 8,388,850 km (0.104 R)
• M13: 9,356,000 km (0.108 R)
• M14: 10,658,100 km (0.111 R)
• M15: 11,631,234 km (0.097 R)
• M16: 12,918,973 km (0.12 R)
• M17: 13,530,828 km (0.092 R)
• M18: 15,678,306 km (0.119 R)
• M19: 17,143,766 km (0.104 R)
• M20: 18,206,360 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 12.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.77 AU - 4.11 AU

Year: 5304 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,130,636 km

• M1: 343,926 km (0.085 R)
• M2: 891,304 km (0.057 R)
• M3: 1,771,388 km (0.105 R)
• M4: 4,597,442 km (0.074 R)
• M5: 5,445,662 km (0.067 R)
• M6: 10,929,172 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.6

Radius: 3.5

Gravity: 43.97 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.8 AU - 10.36 AU

Year: 17046 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,130,636 km

• M1: 43,533 km (0.113 R)
• M2: 326,871 km (0.117 R)
• M3: 548,276 km (0.093 R)
• M4: 1,519,316 km (0.077 R)
• M5: 1,833,472 km (0.063 R)
• M6: 2,394,164 km (0.117 R)
• M7: 2,679,447 km (0.053 R)
• M8: 3,036,238 km (0.107 R)
• M9: 3,343,812 km (0.113 R)
• M10: 4,359,880 km (0.116 R)
• M11: 6,224,319 km (0.081 R)
• M12: 6,593,377 km (0.118 R)
• M13: 7,330,146 km (0.107 R)
• M14: 8,314,051 km (0.061 R)
• M15: 9,277,162 km (0.116 R)
• M16: 12,416,324 km (0.044 R)
• M17: 13,466,950 km (0.07 R)
• M18: 13,875,801 km (0.079 R)
• M19: 15,224,874 km (0.055 R)
• M20: 15,668,582 km (0.03 R)
• M21: 16,350,000 km (0.056 R)
• M22: 18,346,234 km (0.026 R)
• M23: 18,596,212 km (0.116 R)
• M24: 19,273,890 km (0.109 R)
• M25: 19,618,714 km (0.075 R)
• M26: 22,623,088 km (0.093 R)
• M27: 23,200,386 km (0.1 R)
• M28: 27,086,490 km (0.11 R)
• M29: 27,519,127 km (0.107 R)
• M30: 31,147,922 km (0.076 R)
• M31: 32,344,107 km (0.079 R)
• M32: 34,700,572 km (0.105 R)
• M33: 44,069,738 km (0.089 R)
• M34: 44,818,475 km (0.056 R)
• M35: 46,033,958 km (0.099 R)
• M36: 46,495,467 km (0.043 R)
• M37: 56,735,591 km (0.097 R)
• M38: 57,266,065 km (0.11 R)
• M39: 58,516,404 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 11,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit