🌌 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: 410.2

Radius: 14.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 14.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,664,422 km

• M1: 176,675 km (0.053 R)
• M2: 743,651 km (0.077 R)
• M3: 1,225,805 km (0.05 R)
• M4: 1,734,887 km (0.102 R)
• M5: 2,950,668 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 13.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 11.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,664,422 km

• M1: 171,589 km (0.104 R)
• M2: 629,508 km (0.085 R)
• M3: 1,300,305 km (0.059 R)
• M4: 1,757,925 km (0.109 R)
• M5: 2,653,268 km (0.089 R)
• M6: 3,116,273 km (0.109 R)
• M7: 3,621,914 km (0.081 R)
• M8: 4,080,880 km (0.104 R)
• M9: 4,957,225 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 14.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 896 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,664,422 km

• M1: 181,612 km (0.093 R)
• M2: 685,457 km (0.101 R)
• M3: 1,368,821 km (0.04 R)
• M4: 1,882,240 km (0.07 R)
• M5: 2,571,288 km (0.08 R)
• M6: 3,034,144 km (0.091 R)
• M7: 3,804,723 km (0.046 R)
• M8: 4,394,138 km (0.066 R)
• M9: 4,934,635 km (0.073 R)
• M10: 6,560,764 km (0.04 R)
• M11: 7,198,949 km (0.066 R)
• M12: 8,156,824 km (0.112 R)
• M13: 8,841,533 km (0.1 R)
• M14: 9,564,390 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 10.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.12 AU - 1.56 AU

Year: 1071 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,664,422 km

• M1: 139,425 km (0.101 R)
• M2: 537,804 km (0.096 R)
• M3: 878,588 km (0.086 R)
• M4: 1,224,309 km (0.105 R)
• M5: 1,663,080 km (0.119 R)
• M6: 2,402,991 km (0.07 R)
• M7: 2,782,072 km (0.092 R)
• M8: 3,223,685 km (0.116 R)
• M9: 3,711,972 km (0.062 R)
• M10: 4,444,104 km (0.112 R)
• M11: 5,317,756 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 12.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.69 AU - 1.71 AU

Year: 1530 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,664,422 km

• M1: 162,314 km (0.089 R)
• M2: 599,588 km (0.076 R)
• M3: 1,055,263 km (0.118 R)
• M4: 1,786,498 km (0.066 R)
• M5: 2,729,563 km (0.03 R)
• M6: 3,240,140 km (0.086 R)
• M7: 3,929,936 km (0.106 R)
• M8: 4,565,428 km (0.081 R)
• M9: 5,820,404 km (0.116 R)
• M10: 6,623,895 km (0.115 R)
• M11: 7,396,268 km (0.03 R)
• M12: 7,844,763 km (0.118 R)
• M13: 8,255,558 km (0.096 R)
• M14: 8,680,716 km (0.084 R)
• M15: 10,204,968 km (0.117 R)
• M16: 11,133,074 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.07 AU - 2.93 AU

Year: 2728 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,664,422 km

• M1: 111,899 km (0.078 R)
• M2: 933,042 km (0.1 R)
• M3: 1,208,900 km (0.118 R)
• M4: 1,673,103 km (0.036 R)
• M5: 2,018,973 km (0.101 R)
• M6: 2,540,920 km (0.046 R)
• M7: 4,213,424 km (0.104 R)
• M8: 4,796,557 km (0.113 R)
• M9: 5,107,720 km (0.083 R)
• M10: 6,243,766 km (0.085 R)
• M11: 8,047,617 km (0.118 R)
• M12: 8,368,954 km (0.075 R)
• M13: 9,643,079 km (0.088 R)
• M14: 9,972,643 km (0.116 R)
• M15: 11,293,592 km (0.073 R)
• M16: 11,920,706 km (0.032 R)
• M17: 12,571,008 km (0.112 R)
• M18: 14,151,809 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.4

Radius: 7.4

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.73 AU - 8.87 AU

Year: 18019 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,664,422 km

• M1: 92,900 km (0.11 R)
• M2: 353,799 km (0.118 R)
• M3: 721,959 km (0.115 R)
• M4: 1,246,898 km (0.119 R)
• M5: 1,585,139 km (0.118 R)
• M6: 2,043,208 km (0.106 R)
• M7: 2,930,772 km (0.094 R)
• M8: 3,681,155 km (0.118 R)
• M9: 4,021,340 km (0.078 R)
• M10: 4,281,790 km (0.081 R)
• M11: 4,553,460 km (0.094 R)
• M12: 5,517,020 km (0.104 R)
• M13: 6,259,624 km (0.113 R)
• M14: 8,887,161 km (0.118 R)
• M15: 9,846,831 km (0.114 R)
• M16: 10,873,970 km (0.069 R)
• M17: 11,706,333 km (0.106 R)
• M18: 16,931,637 km (0.119 R)
• M19: 20,714,518 km (0.09 R)
• M20: 22,091,118 km (0.066 R)
• M21: 24,161,851 km (0.109 R)
• M22: 33,212,223 km (0.079 R)
• M23: 41,623,364 km (0.038 R)
• M24: 42,240,156 km (0.091 R)
• M25: 46,233,970 km (0.111 R)
• M26: 47,563,297 km (0.081 R)
• M27: 48,068,189 km (0.109 R)
• M28: 48,576,822 km (0.079 R)
• M29: 51,350,068 km (0.091 R)
• M30: 53,135,817 km (0.07 R)
• M31: 53,861,666 km (0.067 R)
• M32: 57,020,126 km (0.065 R)
• M33: 62,487,928 km (0.119 R)
• M34: 65,348,389 km (0.111 R)
• M35: 66,390,787 km (0.032 R)
• M36: 67,656,385 km (0.084 R)
• M37: 68,295,018 km (0.059 R)
• M38: 70,017,937 km (0.087 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: 546 - 17,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit