🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 13.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.72 AU - 0.98 AU

Year: 506 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,072,795 km

• M1: 166,802 km (0.111 R)
• M2: 619,485 km (0.117 R)
• M3: 1,053,767 km (0.068 R)
• M4: 1,526,646 km (0.12 R)
• M5: 2,011,194 km (0.105 R)
• M6: 2,516,835 km (0.109 R)
• M7: 3,202,442 km (0.115 R)
• M8: 3,655,873 km (0.109 R)
• M9: 4,447,545 km (0.098 R)
• M10: 4,949,446 km (0.119 R)
• M11: 5,755,479 km (0.054 R)
• M12: 6,276,229 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 9.6

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.26 AU

Year: 685 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,072,795 km

• M1: 119,379 km (0.108 R)
• M2: 478,713 km (0.051 R)
• M3: 997,519 km (0.106 R)
• M4: 1,328,579 km (0.036 R)
• M5: 1,803,402 km (0.115 R)
• M6: 2,421,092 km (0.065 R)
• M7: 3,186,883 km (0.053 R)
• M8: 4,345,070 km (0.096 R)
• M9: 4,764,692 km (0.053 R)
• M10: 6,763,619 km (0.074 R)
• M11: 7,444,888 km (0.094 R)
• M12: 8,121,519 km (0.117 R)
• M13: 8,551,912 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 12.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.2 AU - 3.82 AU

Year: 4246 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,072,795 km

• M1: 154,385 km (0.115 R)
• M2: 570,566 km (0.076 R)
• M3: 1,571,226 km (0.081 R)
• M4: 1,968,558 km (0.111 R)
• M5: 3,182,545 km (0.077 R)
• M6: 3,763,284 km (0.06 R)
• M7: 4,268,326 km (0.073 R)
• M8: 4,740,607 km (0.12 R)
• M9: 5,500,564 km (0.101 R)
• M10: 6,758,233 km (0.105 R)
• M11: 7,757,547 km (0.052 R)
• M12: 9,051,868 km (0.07 R)
• M13: 12,211,674 km (0.11 R)
• M14: 14,392,662 km (0.089 R)
• M15: 15,517,787 km (0.114 R)
• M16: 19,245,317 km (0.078 R)
• M17: 19,783,720 km (0.079 R)
• M18: 20,540,386 km (0.091 R)
• M19: 23,152,215 km (0.074 R)
• M20: 25,491,926 km (0.105 R)
• M21: 26,141,630 km (0.094 R)
• M22: 26,636,050 km (0.081 R)
• M23: 29,914,039 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.2

Radius: 4.4

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.14 AU - 8.16 AU

Year: 12345 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,072,795 km

• M1: 54,753 km (0.083 R)
• M2: 218,562 km (0.068 R)
• M3: 405,111 km (0.106 R)
• M4: 689,347 km (0.057 R)
• M5: 848,669 km (0.103 R)
• M6: 1,012,179 km (0.054 R)
• M7: 1,352,664 km (0.048 R)
• M8: 1,811,331 km (0.072 R)
• M9: 2,153,013 km (0.096 R)
• M10: 2,478,986 km (0.072 R)
• M11: 2,754,695 km (0.118 R)
• M12: 3,094,432 km (0.073 R)
• M13: 3,806,219 km (0.095 R)
• M14: 5,069,423 km (0.114 R)
• M15: 6,052,281 km (0.093 R)
• M16: 6,588,589 km (0.106 R)
• M17: 7,351,987 km (0.039 R)
• M18: 8,172,831 km (0.117 R)
• M19: 8,827,172 km (0.096 R)
• M20: 9,468,797 km (0.11 R)
• M21: 9,753,183 km (0.071 R)
• M22: 9,897,395 km (0.086 R)
• M23: 15,110,582 km (0.11 R)
• M24: 23,157,152 km (0.104 R)
• M25: 25,266,781 km (0.097 R)
• M26: 26,836,362 km (0.064 R)
• M27: 30,577,356 km (0.111 R)
• M28: 31,094,067 km (0.061 R)
• M29: 32,251,356 km (0.075 R)
• M30: 34,317,452 km (0.03 R)
• M31: 35,552,981 km (0.06 R)
• M32: 36,354,527 km (0.116 R)
• M33: 37,520,492 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359

Radius: 4.1

Gravity: 21.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.5 AU - 9.94 AU

Year: 15217 Days

Day: 24.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,072,795 km

• M1: 52,658 km (0.051 R)
• M2: 216,618 km (0.1 R)
• M3: 353,799 km (0.106 R)
• M4: 830,119 km (0.103 R)
• M5: 1,045,240 km (0.083 R)
• M6: 1,443,919 km (0.06 R)
• M7: 1,709,006 km (0.111 R)
• M8: 2,240,827 km (0.036 R)
• M9: 3,151,279 km (0.106 R)
• M10: 3,344,410 km (0.035 R)
• M11: 4,491,377 km (0.1 R)
• M12: 7,960,252 km (0.1 R)
• M13: 8,183,303 km (0.096 R)
• M14: 8,595,146 km (0.098 R)
• M15: 9,760,962 km (0.101 R)
• M16: 10,276,476 km (0.067 R)
• M17: 10,434,601 km (0.057 R)
• M18: 10,647,928 km (0.102 R)
• M19: 15,481,584 km (0.097 R)
• M20: 16,253,061 km (0.11 R)
• M21: 16,976,217 km (0.051 R)
• M22: 17,872,158 km (0.11 R)
• M23: 21,341,183 km (0.07 R)
• M24: 21,684,959 km (0.044 R)
• M25: 26,695,291 km (0.083 R)
• M26: 31,528,798 km (0.074 R)
• M27: 31,751,250 km (0.088 R)
• M28: 34,033,815 km (0.074 R)
• M29: 35,454,546 km (0.106 R)
• M30: 40,738,043 km (0.059 R)
• M31: 44,957,900 km (0.054 R)
• M32: 46,955,630 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.4

Radius: 5.2

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.12 AU - 12.72 AU

Year: 21718 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,072,795 km

• M1: 64,626 km (0.096 R)
• M2: 714,330 km (0.05 R)
• M3: 995,275 km (0.09 R)
• M4: 1,568,085 km (0.084 R)
• M5: 2,337,766 km (0.086 R)
• M6: 2,548,101 km (0.092 R)
• M7: 2,934,811 km (0.105 R)
• M8: 3,492,213 km (0.097 R)
• M9: 4,087,463 km (0.096 R)
• M10: 4,331,307 km (0.112 R)
• M11: 4,747,937 km (0.111 R)
• M12: 5,191,046 km (0.12 R)
• M13: 5,773,580 km (0.095 R)
• M14: 6,198,737 km (0.108 R)
• M15: 7,024,667 km (0.102 R)
• M16: 8,205,144 km (0.088 R)
• M17: 10,159,640 km (0.12 R)
• M18: 11,363,005 km (0.116 R)
• M19: 12,658,224 km (0.036 R)
• M20: 16,664,904 km (0.074 R)
• M21: 17,366,218 km (0.041 R)
• M22: 17,844,483 km (0.068 R)
• M23: 21,716,076 km (0.078 R)
• M24: 24,786,572 km (0.105 R)
• M25: 26,529,836 km (0.12 R)
• M26: 29,016,153 km (0.12 R)
• M27: 29,689,493 km (0.111 R)
• M28: 31,067,139 km (0.117 R)
• M29: 33,457,115 km (0.059 R)
• M30: 34,822,345 km (0.094 R)
• M31: 44,836,726 km (0.112 R)
• M32: 54,040,735 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 14,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit