🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 11.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.7 AU - 0.92 AU

Year: 464 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,302,947 km

• M1: 143,016 km (0.089 R)
• M2: 591,510 km (0.051 R)
• M3: 1,011,431 km (0.03 R)
• M4: 1,387,371 km (0.084 R)
• M5: 1,986,361 km (0.108 R)
• M6: 2,502,623 km (0.065 R)
• M7: 2,942,141 km (0.107 R)
• M8: 4,406,555 km (0.084 R)
• M9: 4,774,416 km (0.064 R)
• M10: 5,146,765 km (0.071 R)
• M11: 5,505,202 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 8.6

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.76 AU - 1.06 AU

Year: 552 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,302,947 km

• M1: 107,112 km (0.047 R)
• M2: 494,870 km (0.087 R)
• M3: 875,596 km (0.088 R)
• M4: 1,505,403 km (0.071 R)
• M5: 1,868,627 km (0.12 R)
• M6: 2,270,297 km (0.042 R)
• M7: 2,630,080 km (0.114 R)
• M8: 3,112,085 km (0.098 R)
• M9: 3,387,345 km (0.103 R)
• M10: 4,162,860 km (0.101 R)
• M11: 5,205,856 km (0.064 R)
• M12: 6,158,496 km (0.069 R)
• M13: 6,676,403 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.6

Radius: 8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.1 AU - 1.14 AU

Year: 754 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,302,947 km

• M1: 99,632 km (0.112 R)
• M2: 407,953 km (0.064 R)
• M3: 747,989 km (0.03 R)
• M4: 1,060,948 km (0.098 R)
• M5: 3,213,362 km (0.069 R)
• M6: 3,838,681 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 12.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.25 AU - 1.53 AU

Year: 1042 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,302,947 km

• M1: 150,495 km (0.106 R)
• M2: 668,702 km (0.117 R)
• M3: 1,310,328 km (0.099 R)
• M4: 2,093,622 km (0.091 R)
• M5: 2,927,780 km (0.082 R)
• M6: 3,445,987 km (0.088 R)
• M7: 3,985,138 km (0.06 R)
• M8: 4,394,288 km (0.094 R)
• M9: 5,123,278 km (0.108 R)
• M10: 5,508,942 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 11.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.82 AU - 2.1 AU

Year: 1745 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,302,947 km

• M1: 147,952 km (0.115 R)
• M2: 543,040 km (0.083 R)
• M3: 930,050 km (0.087 R)
• M4: 1,468,752 km (0.073 R)
• M5: 1,928,466 km (0.096 R)
• M6: 3,702,697 km (0.112 R)
• M7: 4,362,274 km (0.097 R)
• M8: 5,475,581 km (0.09 R)
• M9: 7,839,228 km (0.116 R)
• M10: 9,261,754 km (0.062 R)
• M11: 10,083,046 km (0.103 R)
• M12: 12,311,905 km (0.075 R)
• M13: 12,725,692 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 9.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.72 AU - 2.32 AU

Year: 1825 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,302,947 km

• M1: 120,576 km (0.114 R)
• M2: 438,023 km (0.106 R)
• M3: 843,134 km (0.105 R)
• M4: 1,188,705 km (0.03 R)
• M5: 2,823,959 km (0.053 R)
• M6: 3,271,705 km (0.037 R)
• M7: 4,133,090 km (0.079 R)
• M8: 5,956,538 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 14.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.96 AU - 2.74 AU

Year: 2291 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,302,947 km

• M1: 181,612 km (0.093 R)
• M2: 1,614,011 km (0.041 R)
• M3: 2,132,817 km (0.099 R)
• M4: 2,763,970 km (0.063 R)
• M5: 4,220,904 km (0.099 R)
• M6: 5,756,077 km (0.119 R)
• M7: 7,122,205 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 9.2

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.88 AU - 2.92 AU

Year: 3140 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,302,947 km

• M1: 114,442 km (0.107 R)
• M2: 423,960 km (0.09 R)
• M3: 779,704 km (0.089 R)
• M4: 1,072,168 km (0.113 R)
• M5: 1,503,608 km (0.033 R)
• M6: 2,158,099 km (0.093 R)
• M7: 2,527,456 km (0.08 R)
• M8: 2,973,706 km (0.115 R)
• M9: 3,854,988 km (0.115 R)
• M10: 5,126,121 km (0.117 R)
• M11: 5,463,613 km (0.117 R)
• M12: 6,476,541 km (0.104 R)
• M13: 9,205,954 km (0.074 R)
• M14: 10,305,199 km (0.086 R)
• M15: 10,844,350 km (0.072 R)
• M16: 11,489,715 km (0.103 R)
• M17: 11,799,532 km (0.055 R)
• M18: 13,876,549 km (0.052 R)
• M19: 14,329,681 km (0.109 R)
• M20: 14,792,686 km (0.117 R)
• M21: 17,782,848 km (0.103 R)
• M22: 18,741,023 km (0.071 R)
• M23: 19,232,751 km (0.088 R)
• M24: 19,986,425 km (0.103 R)
• M25: 21,956,928 km (0.025 R)
• M26: 23,909,779 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.4

Radius: 7.1

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.64 AU - 13.28 AU

Year: 24667 Days

Day: 20.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,302,947 km

• M1: 88,412 km (0.085 R)
• M2: 777,759 km (0.075 R)
• M3: 1,038,209 km (0.114 R)
• M4: 1,722,619 km (0.12 R)
• M5: 2,281,068 km (0.083 R)
• M6: 2,902,049 km (0.094 R)
• M7: 3,452,420 km (0.104 R)
• M8: 5,017,961 km (0.057 R)
• M9: 7,341,964 km (0.105 R)
• M10: 10,362,495 km (0.073 R)
• M11: 14,198,633 km (0.084 R)
• M12: 15,049,695 km (0.109 R)
• M13: 22,598,404 km (0.105 R)
• M14: 23,437,199 km (0.07 R)
• M15: 25,288,323 km (0.068 R)
• M16: 27,588,241 km (0.116 R)
• M17: 31,812,137 km (0.068 R)
• M18: 33,805,379 km (0.11 R)
• M19: 39,224,861 km (0.098 R)
• M20: 40,130,227 km (0.079 R)
• M21: 43,249,044 km (0.058 R)
• M22: 46,024,084 km (0.096 R)
• M23: 48,052,781 km (0.076 R)
• M24: 48,742,128 km (0.045 R)
• M25: 49,964,193 km (0.064 R)
• M26: 63,329,117 km (0.03 R)
• M27: 65,624,846 km (0.098 R)
• M28: 68,626,078 km (0.109 R)
• M29: 72,391,906 km (0.077 R)
• M30: 80,090,810 km (0.094 R)
• M31: 80,816,659 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit