🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.8

Radius: 13.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.49 AU - 0.79 AU

Year: 360 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,747,537 km

• M1: 173,833 km (0.082 R)
• M2: 608,265 km (0.064 R)
• M3: 1,164,021 km (0.066 R)
• M4: 1,602,193 km (0.091 R)
• M5: 2,192,955 km (0.087 R)
• M6: 2,752,900 km (0.061 R)
• M7: 3,644,055 km (0.058 R)
• M8: 4,088,659 km (0.063 R)
• M9: 4,542,689 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 10.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.79 AU - 1.07 AU

Year: 630 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,747,537 km

• M1: 129,402 km (0.052 R)
• M2: 514,617 km (0.065 R)
• M3: 882,029 km (0.098 R)
• M4: 1,334,712 km (0.105 R)
• M5: 2,321,011 km (0.113 R)
• M6: 2,741,231 km (0.084 R)
• M7: 3,388,691 km (0.111 R)
• M8: 3,932,330 km (0.117 R)
• M9: 4,988,042 km (0.064 R)
• M10: 5,324,188 km (0.048 R)
• M11: 5,727,205 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 12.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.74 AU - 3.5 AU

Year: 3874 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,747,537 km

• M1: 159,322 km (0.079 R)
• M2: 578,794 km (0.105 R)
• M3: 1,654,702 km (0.057 R)
• M4: 2,271,045 km (0.12 R)
• M5: 3,344,859 km (0.052 R)
• M6: 3,930,834 km (0.096 R)
• M7: 4,481,055 km (0.118 R)
• M8: 5,496,824 km (0.079 R)
• M9: 7,017,487 km (0.083 R)
• M10: 7,651,033 km (0.095 R)
• M11: 8,672,787 km (0.112 R)
• M12: 10,138,098 km (0.083 R)
• M13: 12,783,288 km (0.079 R)
• M14: 14,220,175 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22

Radius: 4.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.97 AU - 8.01 AU

Year: 12990 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,747,537 km

• M1: 60,138 km (0.041 R)
• M2: 406,457 km (0.095 R)
• M3: 607,667 km (0.068 R)
• M4: 2,889,782 km (0.109 R)
• M5: 3,495,803 km (0.111 R)
• M6: 5,162,772 km (0.11 R)
• M7: 7,625,602 km (0.103 R)
• M8: 10,775,235 km (0.115 R)
• M9: 12,171,432 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 7

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.96 AU - 10.12 AU

Year: 17543 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,747,537 km

• M1: 87,066 km (0.089 R)
• M2: 399,875 km (0.076 R)
• M3: 938,577 km (0.037 R)
• M4: 1,221,766 km (0.084 R)
• M5: 1,610,571 km (0.101 R)
• M6: 1,834,369 km (0.118 R)
• M7: 2,199,537 km (0.087 R)
• M8: 3,592,144 km (0.03 R)
• M9: 4,008,774 km (0.065 R)
• M10: 4,490,479 km (0.057 R)
• M11: 6,293,732 km (0.079 R)
• M12: 8,378,528 km (0.099 R)
• M13: 10,000,169 km (0.112 R)
• M14: 10,524,809 km (0.098 R)
• M15: 12,473,321 km (0.049 R)
• M16: 14,429,463 km (0.11 R)
• M17: 16,581,278 km (0.067 R)
• M18: 17,733,481 km (0.113 R)
• M19: 18,157,741 km (0.107 R)
• M20: 20,288,613 km (0.074 R)
• M21: 21,414,187 km (0.109 R)
• M22: 21,798,355 km (0.068 R)
• M23: 22,285,146 km (0.118 R)
• M24: 26,775,176 km (0.104 R)
• M25: 31,708,914 km (0.094 R)
• M26: 44,097,264 km (0.112 R)
• M27: 45,347,154 km (0.085 R)
• M28: 47,428,509 km (0.111 R)
• M29: 47,917,544 km (0.038 R)
• M30: 54,586,617 km (0.083 R)
• M31: 60,691,557 km (0.108 R)
• M32: 64,804,601 km (0.115 R)
• M33: 67,647,409 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.8

Radius: 6.8

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.7 AU - 9.12 AU

Year: 18695 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,747,537 km

• M1: 84,672 km (0.113 R)
• M2: 390,450 km (0.08 R)
• M3: 658,530 km (0.028 R)
• M4: 904,469 km (0.101 R)
• M5: 1,362,687 km (0.04 R)
• M6: 1,984,416 km (0.077 R)
• M7: 2,597,617 km (0.087 R)
• M8: 3,199,450 km (0.106 R)
• M9: 3,890,442 km (0.089 R)
• M10: 5,489,494 km (0.106 R)
• M11: 6,644,090 km (0.095 R)
• M12: 6,945,530 km (0.117 R)
• M13: 8,341,727 km (0.106 R)
• M14: 9,370,661 km (0.071 R)
• M15: 9,695,139 km (0.104 R)
• M16: 12,896,234 km (0.067 R)
• M17: 14,056,066 km (0.045 R)
• M18: 14,697,542 km (0.101 R)
• M19: 14,915,656 km (0.11 R)
• M20: 15,209,765 km (0.071 R)
• M21: 17,622,480 km (0.111 R)
• M22: 18,284,301 km (0.082 R)
• M23: 21,655,489 km (0.07 R)
• M24: 24,186,984 km (0.084 R)
• M25: 30,768,093 km (0.05 R)
• M26: 34,083,631 km (0.114 R)
• M27: 38,312,463 km (0.106 R)
• M28: 40,409,826 km (0.05 R)
• M29: 42,582,585 km (0.079 R)
• M30: 46,219,010 km (0.118 R)
• M31: 47,793,528 km (0.102 R)
• M32: 50,386,358 km (0.076 R)
• M33: 51,215,579 km (0.113 R)
• M34: 52,730,856 km (0.106 R)
• M35: 55,498,117 km (0.067 R)
• M36: 57,816,585 km (0.087 R)
• M37: 58,542,733 km (0.05 R)
• M38: 60,944,976 km (0.043 R)
• M39: 64,378,247 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 11,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit