🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 11.4

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 12.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 25,009,878 km

• M1: 142,567 km (0.034 R)
• M2: 600,486 km (0.114 R)
• M3: 983,008 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 13.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.22 AU - 1.48 AU

Year: 1046 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,009,878 km

• M1: 162,912 km (0.104 R)
• M2: 706,700 km (0.12 R)
• M3: 1,151,156 km (0.034 R)
• M4: 1,874,461 km (0.078 R)
• M5: 2,346,592 km (0.105 R)
• M6: 2,768,458 km (0.032 R)
• M7: 3,475,607 km (0.062 R)
• M8: 4,129,051 km (0.113 R)
• M9: 4,639,628 km (0.109 R)
• M10: 6,248,703 km (0.1 R)
• M11: 6,662,491 km (0.081 R)
• M12: 7,070,145 km (0.094 R)
• M13: 8,560,439 km (0.095 R)
• M14: 10,927,227 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 9.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.49 AU - 1.91 AU

Year: 1478 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,009,878 km

• M1: 120,576 km (0.05 R)
• M2: 444,754 km (0.111 R)
• M3: 822,489 km (0.096 R)
• M4: 1,250,638 km (0.117 R)
• M5: 1,639,892 km (0.071 R)
• M6: 2,713,556 km (0.101 R)
• M7: 3,483,237 km (0.103 R)
• M8: 4,062,629 km (0.109 R)
• M9: 4,705,003 km (0.053 R)
• M10: 5,735,732 km (0.08 R)
• M11: 6,191,856 km (0.111 R)
• M12: 6,693,458 km (0.059 R)
• M13: 7,730,769 km (0.037 R)
• M14: 8,437,619 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 8.3

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.71 AU - 2.61 AU

Year: 2117 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,009,878 km

• M1: 103,821 km (0.1 R)
• M2: 397,332 km (0.075 R)
• M3: 744,399 km (0.114 R)
• M4: 1,335,759 km (0.095 R)
• M5: 1,666,819 km (0.079 R)
• M6: 2,160,941 km (0.091 R)
• M7: 2,579,217 km (0.111 R)
• M8: 3,004,075 km (0.1 R)
• M9: 3,509,117 km (0.111 R)
• M10: 4,012,963 km (0.052 R)
• M11: 4,815,406 km (0.079 R)
• M12: 5,075,856 km (0.096 R)
• M13: 5,461,220 km (0.065 R)
• M14: 6,013,386 km (0.112 R)
• M15: 6,393,215 km (0.066 R)
• M16: 6,788,901 km (0.111 R)
• M17: 7,285,416 km (0.087 R)
• M18: 7,954,568 km (0.048 R)
• M19: 10,898,055 km (0.055 R)
• M20: 11,348,794 km (0.115 R)
• M21: 12,775,957 km (0.051 R)
• M22: 13,066,925 km (0.056 R)
• M23: 13,575,708 km (0.059 R)
• M24: 14,588,036 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 13

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.72 AU - 3.64 AU

Year: 3782 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,009,878 km

• M1: 161,715 km (0.113 R)
• M2: 633,697 km (0.064 R)
• M3: 1,266,196 km (0.067 R)
• M4: 2,315,476 km (0.071 R)
• M5: 4,920,573 km (0.116 R)
• M6: 6,139,796 km (0.088 R)
• M7: 6,905,587 km (0.098 R)
• M8: 8,694,179 km (0.107 R)
• M9: 11,124,397 km (0.111 R)
• M10: 14,207,759 km (0.117 R)
• M11: 14,819,763 km (0.036 R)
• M12: 15,351,285 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 10.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.81 AU - 4.53 AU

Year: 4688 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,009,878 km

• M1: 139,276 km (0.088 R)
• M2: 521,498 km (0.077 R)
• M3: 868,864 km (0.069 R)
• M4: 1,213,388 km (0.102 R)
• M5: 2,042,011 km (0.072 R)
• M6: 3,269,611 km (0.113 R)
• M7: 3,703,744 km (0.051 R)
• M8: 4,221,203 km (0.097 R)
• M9: 4,960,366 km (0.073 R)
• M10: 6,603,549 km (0.069 R)
• M11: 7,105,899 km (0.1 R)
• M12: 8,116,432 km (0.105 R)
• M13: 8,916,482 km (0.119 R)
• M14: 9,808,235 km (0.082 R)
• M15: 10,631,173 km (0.084 R)
• M16: 12,042,629 km (0.092 R)
• M17: 13,083,082 km (0.108 R)
• M18: 15,234,299 km (0.027 R)
• M19: 15,669,330 km (0.102 R)
• M20: 19,075,673 km (0.116 R)
• M21: 22,175,491 km (0.085 R)
• M22: 23,590,986 km (0.064 R)
• M23: 24,542,727 km (0.07 R)
• M24: 24,990,623 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.75 AU - 5.89 AU

Year: 7057 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,009,878 km

• M1: 169,195 km (0.087 R)
• M2: 860,188 km (0.074 R)
• M3: 1,347,578 km (0.059 R)
• M4: 2,062,655 km (0.076 R)
• M5: 2,748,113 km (0.06 R)
• M6: 4,059,039 km (0.099 R)
• M7: 5,142,277 km (0.108 R)
• M8: 7,673,772 km (0.077 R)
• M9: 9,173,042 km (0.111 R)
• M10: 10,032,482 km (0.118 R)
• M11: 11,554,042 km (0.053 R)
• M12: 13,666,065 km (0.118 R)
• M13: 17,563,239 km (0.098 R)
• M14: 18,642,587 km (0.081 R)
• M15: 21,534,314 km (0.112 R)
• M16: 22,353,363 km (0.066 R)
• M17: 23,620,756 km (0.108 R)
• M18: 24,712,970 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 13,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit