🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 9.9

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.99 AU - 1.15 AU

Year: 764 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,281,549 km

• M1: 123,568 km (0.07 R)
• M2: 649,404 km (0.084 R)
• M3: 1,105,827 km (0.11 R)
• M4: 3,137,666 km (0.059 R)
• M5: 4,268,925 km (0.066 R)
• M6: 4,666,706 km (0.065 R)
• M7: 5,384,775 km (0.107 R)
• M8: 5,970,301 km (0.12 R)
• M9: 7,245,474 km (0.082 R)
• M10: 7,984,188 km (0.06 R)
• M11: 8,930,694 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 13

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.96 AU - 1.48 AU

Year: 930 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,281,549 km

• M1: 162,164 km (0.085 R)
• M2: 619,186 km (0.09 R)
• M3: 1,392,307 km (0.092 R)
• M4: 2,382,047 km (0.116 R)
• M5: 3,075,134 km (0.095 R)
• M6: 3,822,076 km (0.068 R)
• M7: 5,111,310 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 14.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.5 AU - 1.78 AU

Year: 1450 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,281,549 km

• M1: 180,565 km (0.115 R)
• M2: 819,048 km (0.101 R)
• M3: 2,397,156 km (0.119 R)
• M4: 4,021,939 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 11.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.39 AU - 2.05 AU

Year: 1557 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,281,549 km

• M1: 146,008 km (0.079 R)
• M2: 512,522 km (0.094 R)
• M3: 943,813 km (0.076 R)
• M4: 1,524,103 km (0.096 R)
• M5: 1,989,801 km (0.11 R)
• M6: 2,730,161 km (0.08 R)
• M7: 3,185,537 km (0.104 R)
• M8: 4,200,559 km (0.045 R)
• M9: 5,825,491 km (0.073 R)
• M10: 6,814,333 km (0.071 R)
• M11: 7,733,612 km (0.059 R)
• M12: 8,329,161 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 12.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.71 AU - 2.53 AU

Year: 2131 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,281,549 km

• M1: 155,432 km (0.076 R)
• M2: 636,539 km (0.103 R)
• M3: 1,751,941 km (0.103 R)
• M4: 2,823,361 km (0.114 R)
• M5: 3,561,327 km (0.066 R)
• M6: 4,145,955 km (0.077 R)
• M7: 4,699,617 km (0.094 R)
• M8: 5,756,077 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 11.8

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.89 AU - 2.55 AU

Year: 2283 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,281,549 km

• M1: 146,756 km (0.065 R)
• M2: 525,986 km (0.108 R)
• M3: 1,050,775 km (0.109 R)
• M4: 2,231,701 km (0.114 R)
• M5: 2,639,056 km (0.107 R)
• M6: 3,371,188 km (0.114 R)
• M7: 4,070,857 km (0.041 R)
• M8: 5,408,861 km (0.057 R)
• M9: 5,993,040 km (0.067 R)
• M10: 6,479,233 km (0.057 R)
• M11: 6,962,435 km (0.045 R)
• M12: 7,348,247 km (0.115 R)
• M13: 10,462,576 km (0.093 R)
• M14: 12,417,670 km (0.092 R)
• M15: 13,031,022 km (0.057 R)
• M16: 14,461,327 km (0.048 R)
• M17: 19,554,237 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 14.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.94 AU - 5.44 AU

Year: 8161 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,281,549 km

• M1: 182,958 km (0.057 R)
• M2: 1,017,565 km (0.096 R)
• M3: 3,643,606 km (0.073 R)
• M4: 5,850,324 km (0.114 R)
• M5: 7,023,919 km (0.039 R)
• M6: 7,878,123 km (0.119 R)
• M7: 11,173,315 km (0.062 R)
• M8: 14,262,212 km (0.089 R)
• M9: 22,216,481 km (0.088 R)
• M10: 23,013,688 km (0.097 R)
• M11: 24,896,526 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.7

Radius: 6.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.63 AU - 6.73 AU

Year: 11917 Days

Day: 24.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,281,549 km

• M1: 82,578 km (0.09 R)
• M2: 302,936 km (0.118 R)
• M3: 596,447 km (0.091 R)
• M4: 1,164,769 km (0.104 R)
• M5: 1,441,675 km (0.117 R)
• M6: 1,677,740 km (0.07 R)
• M7: 2,775,041 km (0.115 R)
• M8: 3,664,400 km (0.076 R)
• M9: 4,902,023 km (0.115 R)
• M10: 6,075,618 km (0.119 R)
• M11: 7,724,785 km (0.119 R)
• M12: 8,890,601 km (0.086 R)
• M13: 9,968,005 km (0.049 R)
• M14: 11,044,063 km (0.107 R)
• M15: 12,013,307 km (0.102 R)
• M16: 12,287,221 km (0.056 R)
• M17: 13,424,913 km (0.096 R)
• M18: 17,027,230 km (0.086 R)
• M19: 18,019,213 km (0.091 R)
• M20: 20,895,681 km (0.077 R)
• M21: 21,828,573 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 18,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit