🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 13.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 9.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,438,343 km

• M1: 162,912 km (0.083 R)
• M2: 619,784 km (0.095 R)
• M3: 1,172,548 km (0.051 R)
• M4: 1,879,697 km (0.072 R)
• M5: 2,315,775 km (0.1 R)
• M6: 3,020,531 km (0.094 R)
• M7: 3,537,690 km (0.094 R)
• M8: 4,041,536 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 9.2

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.66 AU - 0.72 AU

Year: 382 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,438,343 km

• M1: 114,442 km (0.103 R)
• M2: 542,292 km (0.083 R)
• M3: 832,961 km (0.045 R)
• M4: 1,186,162 km (0.097 R)
• M5: 1,660,985 km (0.094 R)
• M6: 2,101,252 km (0.107 R)
• M7: 3,070,646 km (0.119 R)
• M8: 3,636,874 km (0.088 R)
• M9: 4,160,466 km (0.114 R)
• M10: 4,556,302 km (0.043 R)
• M11: 4,915,487 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 9.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.88 AU - 3.04 AU

Year: 2573 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,438,343 km

• M1: 121,623 km (0.119 R)
• M2: 425,307 km (0.097 R)
• M3: 818,300 km (0.094 R)
• M4: 1,126,921 km (0.093 R)
• M5: 1,609,523 km (0.077 R)
• M6: 1,918,144 km (0.105 R)
• M7: 2,435,005 km (0.115 R)
• M8: 3,059,276 km (0.081 R)
• M9: 3,689,831 km (0.099 R)
• M10: 4,026,127 km (0.04 R)
• M11: 4,692,736 km (0.029 R)
• M12: 8,379,426 km (0.117 R)
• M13: 9,247,692 km (0.097 R)
• M14: 9,648,165 km (0.043 R)
• M15: 11,081,163 km (0.092 R)
• M16: 11,491,660 km (0.05 R)
• M17: 12,518,350 km (0.051 R)
• M18: 13,054,209 km (0.025 R)
• M19: 14,363,789 km (0.087 R)
• M20: 15,605,451 km (0.087 R)
• M21: 17,079,290 km (0.04 R)
• M22: 17,461,811 km (0.074 R)
• M23: 19,283,914 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 11

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.56 AU - 3.9 AU

Year: 3871 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,438,343 km

• M1: 139,575 km (0.069 R)
• M2: 492,775 km (0.07 R)
• M3: 1,073,963 km (0.115 R)
• M4: 1,768,546 km (0.075 R)
• M5: 2,513,244 km (0.118 R)
• M6: 3,057,032 km (0.056 R)
• M7: 5,357,698 km (0.11 R)
• M8: 6,442,731 km (0.1 R)
• M9: 7,005,219 km (0.104 R)
• M10: 8,372,993 km (0.035 R)
• M11: 8,741,153 km (0.099 R)
• M12: 10,833,429 km (0.031 R)
• M13: 11,315,583 km (0.117 R)
• M14: 16,095,833 km (0.09 R)
• M15: 19,147,929 km (0.099 R)
• M16: 22,074,811 km (0.051 R)
• M17: 23,864,301 km (0.089 R)
• M18: 24,456,858 km (0.114 R)
• M19: 25,059,289 km (0.109 R)
• M20: 26,059,051 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.3

Radius: 14.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.04 AU - 5.48 AU

Year: 6925 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,438,343 km

• M1: 182,809 km (0.07 R)
• M2: 731,683 km (0.097 R)
• M3: 1,209,798 km (0.103 R)
• M4: 1,758,523 km (0.108 R)
• M5: 3,296,389 km (0.078 R)
• M6: 4,757,661 km (0.12 R)
• M7: 5,486,053 km (0.057 R)
• M8: 8,242,693 km (0.11 R)
• M9: 9,465,955 km (0.063 R)
• M10: 10,714,050 km (0.105 R)
• M11: 11,185,582 km (0.114 R)
• M12: 12,271,962 km (0.055 R)
• M13: 14,426,022 km (0.07 R)
• M14: 15,177,602 km (0.109 R)
• M15: 22,390,613 km (0.119 R)
• M16: 23,556,429 km (0.115 R)
• M17: 24,599,275 km (0.116 R)
• M18: 25,505,539 km (0.097 R)
• M19: 28,090,591 km (0.111 R)
• M20: 31,130,719 km (0.06 R)
• M21: 33,076,688 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 6.4

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.44 AU - 10.54 AU

Year: 21056 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,438,343 km

• M1: 79,586 km (0.06 R)
• M2: 395,686 km (0.098 R)
• M3: 749,934 km (0.109 R)
• M4: 1,064,389 km (0.087 R)
• M5: 1,742,815 km (0.105 R)
• M6: 2,385,039 km (0.108 R)
• M7: 3,529,163 km (0.087 R)
• M8: 4,189,339 km (0.118 R)
• M9: 4,415,830 km (0.069 R)
• M10: 4,788,179 km (0.119 R)
• M11: 5,181,472 km (0.115 R)
• M12: 5,673,649 km (0.085 R)
• M13: 6,576,921 km (0.083 R)
• M14: 6,794,885 km (0.105 R)
• M15: 7,478,098 km (0.103 R)
• M16: 9,746,002 km (0.107 R)
• M17: 10,144,830 km (0.106 R)
• M18: 12,042,778 km (0.085 R)
• M19: 14,456,390 km (0.119 R)
• M20: 20,215,609 km (0.11 R)
• M21: 22,992,744 km (0.073 R)
• M22: 23,394,713 km (0.12 R)
• M23: 23,903,645 km (0.1 R)
• M24: 28,938,810 km (0.093 R)
• M25: 30,000,357 km (0.104 R)
• M26: 31,455,645 km (0.107 R)
• M27: 33,084,766 km (0.12 R)
• M28: 34,506,394 km (0.092 R)
• M29: 37,888,054 km (0.057 R)
• M30: 38,731,338 km (0.102 R)
• M31: 41,632,788 km (0.103 R)
• M32: 42,984,405 km (0.104 R)
• M33: 47,863,839 km (0.071 R)
• M34: 59,267,684 km (0.082 R)
• M35: 59,644,671 km (0.116 R)
• M36: 68,555,767 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 10,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit