🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 9.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 12.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,084,984 km

• M1: 114,592 km (0.086 R)
• M2: 414,984 km (0.117 R)
• M3: 1,048,382 km (0.118 R)
• M4: 1,393,355 km (0.089 R)
• M5: 1,684,921 km (0.088 R)
• M6: 1,990,549 km (0.117 R)
• M7: 2,356,166 km (0.106 R)
• M8: 2,741,082 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.41 AU - 1.67 AU

Year: 1296 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,084,984 km

• M1: 185,352 km (0.069 R)
• M2: 660,026 km (0.065 R)
• M3: 1,137,841 km (0.102 R)
• M4: 1,707,959 km (0.073 R)
• M5: 2,597,318 km (0.078 R)
• M6: 3,687,288 km (0.105 R)
• M7: 4,312,458 km (0.109 R)
• M8: 5,197,928 km (0.103 R)
• M9: 6,289,244 km (0.079 R)
• M10: 6,854,874 km (0.026 R)
• M11: 7,678,560 km (0.112 R)
• M12: 8,459,311 km (0.12 R)
• M13: 9,150,154 km (0.1 R)
• M14: 9,968,155 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 10.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.21 AU - 1.97 AU

Year: 1360 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,084,984 km

• M1: 129,851 km (0.071 R)
• M2: 472,729 km (0.105 R)
• M3: 804,837 km (0.045 R)
• M4: 1,316,461 km (0.111 R)
• M5: 2,176,649 km (0.083 R)
• M6: 2,951,716 km (0.095 R)
• M7: 3,530,659 km (0.062 R)
• M8: 3,993,964 km (0.094 R)
• M9: 4,413,436 km (0.047 R)
• M10: 5,398,538 km (0.049 R)
• M11: 5,933,052 km (0.064 R)
• M12: 6,351,327 km (0.119 R)
• M13: 7,015,841 km (0.09 R)
• M14: 7,388,938 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 14

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2 AU - 2.46 AU

Year: 2259 Days

Day: 8 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,084,984 km

• M1: 174,132 km (0.105 R)
• M2: 849,118 km (0.095 R)
• M3: 1,646,773 km (0.071 R)
• M4: 2,183,979 km (0.108 R)
• M5: 2,838,171 km (0.063 R)
• M6: 3,365,653 km (0.063 R)
• M7: 3,821,029 km (0.083 R)
• M8: 4,448,442 km (0.032 R)
• M9: 5,123,278 km (0.056 R)
• M10: 5,729,598 km (0.065 R)
• M11: 6,653,664 km (0.076 R)
• M12: 7,112,780 km (0.115 R)
• M13: 8,828,668 km (0.047 R)
• M14: 10,194,496 km (0.11 R)
• M15: 11,086,249 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 12.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.4 AU - 4.68 AU

Year: 5508 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,084,984 km

• M1: 151,692 km (0.052 R)
• M2: 592,408 km (0.096 R)
• M3: 1,042,996 km (0.075 R)
• M4: 2,181,436 km (0.119 R)
• M5: 3,438,058 km (0.036 R)
• M6: 3,857,531 km (0.067 R)
• M7: 4,590,261 km (0.041 R)
• M8: 5,709,104 km (0.112 R)
• M9: 6,898,706 km (0.1 R)
• M10: 10,026,199 km (0.087 R)
• M11: 10,519,872 km (0.034 R)
• M12: 11,899,463 km (0.106 R)
• M13: 14,051,279 km (0.089 R)
• M14: 15,248,511 km (0.101 R)
• M15: 15,962,542 km (0.091 R)
• M16: 17,975,979 km (0.102 R)
• M17: 19,732,408 km (0.054 R)
• M18: 20,868,604 km (0.106 R)
• M19: 24,782,084 km (0.085 R)
• M20: 28,086,551 km (0.107 R)
• M21: 29,159,617 km (0.046 R)
• M22: 31,865,842 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 11.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.72 AU - 5.54 AU

Year: 6757 Days

Day: 10.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,084,984 km

• M1: 141,819 km (0.062 R)
• M2: 764,894 km (0.105 R)
• M3: 1,846,487 km (0.076 R)
• M4: 2,520,874 km (0.09 R)
• M5: 3,633,732 km (0.091 R)
• M6: 4,946,154 km (0.102 R)
• M7: 7,799,883 km (0.099 R)
• M8: 8,591,406 km (0.086 R)
• M9: 9,475,529 km (0.102 R)
• M10: 11,379,312 km (0.079 R)
• M11: 12,637,131 km (0.063 R)
• M12: 13,576,306 km (0.104 R)
• M13: 15,929,630 km (0.114 R)
• M14: 20,413,826 km (0.106 R)
• M15: 22,407,517 km (0.083 R)
• M16: 22,907,623 km (0.054 R)
• M17: 23,708,570 km (0.1 R)
• M18: 24,754,708 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 12

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.69 AU - 5.73 AU

Year: 8066 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,084,984 km

• M1: 149,299 km (0.099 R)
• M2: 796,010 km (0.108 R)
• M3: 1,338,901 km (0.093 R)
• M4: 1,803,402 km (0.091 R)
• M5: 3,668,439 km (0.106 R)
• M6: 4,242,745 km (0.096 R)
• M7: 9,899,190 km (0.114 R)
• M8: 10,618,158 km (0.082 R)
• M9: 11,840,671 km (0.094 R)
• M10: 13,325,580 km (0.102 R)
• M11: 13,847,228 km (0.115 R)
• M12: 25,817,301 km (0.117 R)
• M13: 27,643,592 km (0.04 R)
• M14: 28,207,875 km (0.082 R)
• M15: 28,779,938 km (0.069 R)
• M16: 30,144,569 km (0.107 R)
• M17: 33,107,954 km (0.102 R)
• M18: 35,592,325 km (0.086 R)
• M19: 36,597,473 km (0.109 R)
• M20: 37,851,552 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 17,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit