🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 12.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,868,182 km

• M1: 160,519 km (0.072 R)
• M2: 569,519 km (0.098 R)
• M3: 1,000,211 km (0.099 R)
• M4: 1,692,850 km (0.109 R)
• M5: 2,217,938 km (0.065 R)
• M6: 2,802,716 km (0.113 R)
• M7: 3,269,761 km (0.096 R)
• M8: 4,056,346 km (0.052 R)
• M9: 4,508,431 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 12.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,868,182 km

• M1: 159,172 km (0.093 R)
• M2: 637,137 km (0.076 R)
• M3: 1,066,932 km (0.071 R)
• M4: 1,570,179 km (0.053 R)
• M5: 2,290,942 km (0.083 R)
• M6: 2,840,415 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 11.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.16 AU - 1.88 AU

Year: 1294 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,868,182 km

• M1: 148,401 km (0.069 R)
• M2: 888,462 km (0.061 R)
• M3: 1,403,677 km (0.113 R)
• M4: 1,797,718 km (0.09 R)
• M5: 2,524,913 km (0.11 R)
• M6: 2,938,551 km (0.062 R)
• M7: 4,105,115 km (0.066 R)
• M8: 4,595,647 km (0.112 R)
• M9: 5,143,324 km (0.09 R)
• M10: 7,329,099 km (0.12 R)
• M11: 8,103,567 km (0.026 R)
• M12: 8,588,563 km (0.055 R)
• M13: 9,147,311 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 11.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.05 AU - 3.33 AU

Year: 3045 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,868,182 km

• M1: 144,512 km (0.093 R)
• M2: 910,004 km (0.091 R)
• M3: 1,321,996 km (0.118 R)
• M4: 2,378,756 km (0.056 R)
• M5: 2,841,911 km (0.075 R)
• M6: 3,495,953 km (0.057 R)
• M7: 3,889,844 km (0.099 R)
• M8: 5,509,839 km (0.111 R)
• M9: 5,908,817 km (0.057 R)
• M10: 8,270,369 km (0.103 R)
• M11: 8,974,526 km (0.097 R)
• M12: 10,502,668 km (0.089 R)
• M13: 11,584,859 km (0.109 R)
• M14: 12,376,531 km (0.063 R)
• M15: 13,063,634 km (0.068 R)
• M16: 14,564,101 km (0.091 R)
• M17: 15,749,514 km (0.086 R)
• M18: 16,501,842 km (0.094 R)
• M19: 17,904,771 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 8.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.51 AU - 3.15 AU

Year: 3286 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,868,182 km

• M1: 104,419 km (0.11 R)
• M2: 722,558 km (0.096 R)
• M3: 1,003,951 km (0.074 R)
• M4: 1,295,966 km (0.12 R)
• M5: 1,645,277 km (0.101 R)
• M6: 2,109,779 km (0.109 R)
• M7: 3,863,664 km (0.037 R)
• M8: 4,826,177 km (0.041 R)
• M9: 5,796,768 km (0.1 R)
• M10: 6,519,176 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.8

Radius: 14.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.25 AU - 3.65 AU

Year: 3497 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,868,182 km

• M1: 179,069 km (0.044 R)
• M2: 1,115,851 km (0.05 R)
• M3: 1,998,927 km (0.116 R)
• M4: 2,519,527 km (0.052 R)
• M5: 3,042,671 km (0.113 R)
• M6: 4,071,306 km (0.082 R)
• M7: 4,561,987 km (0.107 R)
• M8: 5,346,777 km (0.118 R)
• M9: 6,021,165 km (0.104 R)
• M10: 6,904,989 km (0.09 R)
• M11: 7,873,635 km (0.111 R)
• M12: 8,391,094 km (0.118 R)
• M13: 8,931,142 km (0.115 R)
• M14: 10,404,233 km (0.102 R)
• M15: 10,901,646 km (0.08 R)
• M16: 11,944,193 km (0.092 R)
• M17: 12,582,378 km (0.101 R)
• M18: 13,778,861 km (0.105 R)
• M19: 20,277,842 km (0.117 R)
• M20: 22,533,628 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 11.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.44 AU - 4.14 AU

Year: 5093 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,868,182 km

• M1: 140,772 km (0.075 R)
• M2: 675,285 km (0.078 R)
• M3: 1,607,130 km (0.108 R)
• M4: 2,280,919 km (0.115 R)
• M5: 2,683,786 km (0.107 R)
• M6: 3,194,064 km (0.114 R)
• M7: 3,745,931 km (0.117 R)
• M8: 4,360,479 km (0.103 R)
• M9: 5,494,281 km (0.064 R)
• M10: 6,680,742 km (0.097 R)
• M11: 9,176,932 km (0.081 R)
• M12: 10,161,435 km (0.118 R)
• M13: 12,441,008 km (0.07 R)
• M14: 12,851,654 km (0.091 R)
• M15: 14,472,846 km (0.086 R)
• M16: 15,984,682 km (0.058 R)
• M17: 16,409,091 km (0.108 R)
• M18: 17,280,648 km (0.105 R)
• M19: 19,456,699 km (0.104 R)
• M20: 20,646,301 km (0.115 R)
• M21: 24,028,709 km (0.109 R)
• M22: 24,989,576 km (0.083 R)
• M23: 25,644,217 km (0.05 R)
• M24: 27,503,718 km (0.044 R)
• M25: 28,025,964 km (0.054 R)
• M26: 29,632,795 km (0.106 R)
• M27: 31,774,289 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.4

Radius: 7.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.26 AU - 9.12 AU

Year: 17682 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,868,182 km

• M1: 90,806 km (0.057 R)
• M2: 642,523 km (0.084 R)
• M3: 2,364,694 km (0.035 R)
• M4: 2,746,019 km (0.067 R)
• M5: 3,654,975 km (0.091 R)
• M6: 3,892,537 km (0.068 R)
• M7: 4,216,715 km (0.1 R)
• M8: 5,180,275 km (0.066 R)
• M9: 7,882,013 km (0.118 R)
• M10: 8,361,474 km (0.113 R)
• M11: 9,600,144 km (0.062 R)
• M12: 12,172,330 km (0.057 R)
• M13: 17,803,942 km (0.043 R)
• M14: 18,213,242 km (0.088 R)
• M15: 19,550,796 km (0.072 R)
• M16: 24,705,789 km (0.079 R)
• M17: 26,695,890 km (0.079 R)
• M18: 29,260,147 km (0.055 R)
• M19: 31,090,626 km (0.058 R)
• M20: 31,485,565 km (0.054 R)
• M21: 32,487,422 km (0.07 R)
• M22: 35,728,310 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.2

Radius: 3.1

Gravity: 75.98 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8 AU - 10.76 AU

Year: 19830 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,868,182 km

• M1: 38,746 km (0.068 R)
• M2: 141,370 km (0.117 R)
• M3: 304,581 km (0.103 R)
• M4: 489,035 km (0.097 R)
• M5: 611,257 km (0.089 R)
• M6: 838,795 km (0.057 R)
• M7: 1,576,014 km (0.104 R)
• M8: 1,789,340 km (0.105 R)
• M9: 1,981,573 km (0.119 R)
• M10: 3,182,994 km (0.109 R)
• M11: 3,794,849 km (0.045 R)
• M12: 4,620,779 km (0.086 R)
• M13: 5,132,105 km (0.088 R)
• M14: 6,937,751 km (0.063 R)
• M15: 12,134,631 km (0.066 R)
• M16: 12,960,561 km (0.055 R)
• M17: 17,919,132 km (0.112 R)
• M18: 22,246,550 km (0.103 R)
• M19: 24,758,448 km (0.12 R)
• M20: 26,082,389 km (0.103 R)
• M21: 26,420,630 km (0.115 R)
• M22: 27,221,128 km (0.078 R)
• M23: 28,870,594 km (0.113 R)
• M24: 29,232,471 km (0.054 R)
• M25: 29,965,351 km (0.082 R)
• M26: 30,212,337 km (0.106 R)
• M27: 32,757,296 km (0.093 R)
• M28: 36,274,641 km (0.106 R)
• M29: 40,485,223 km (0.074 R)
• M30: 42,163,861 km (0.075 R)
• M31: 50,381,122 km (0.041 R)
• M32: 59,602,784 km (0.065 R)
• M33: 66,267,518 km (0.07 R)
• M34: 67,530,424 km (0.114 R)
• M35: 69,887,039 km (0.113 R)
• M36: 73,411,864 km (0.174 R)

Asteroid Belt

Center: 9.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 6.5

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.99 AU - 12.01 AU

Year: 21828 Days

Day: 15 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,868,182 km

• M1: 80,932 km (0.079 R)
• M2: 284,086 km (0.079 R)
• M3: 670,647 km (0.103 R)
• M4: 929,452 km (0.055 R)
• M5: 1,517,222 km (0.105 R)
• M6: 2,262,069 km (0.065 R)
• M7: 3,850,051 km (0.077 R)
• M8: 4,727,143 km (0.109 R)
• M9: 5,173,992 km (0.114 R)
• M10: 5,938,886 km (0.054 R)
• M11: 7,690,677 km (0.113 R)
• M12: 8,738,909 km (0.098 R)
• M13: 9,183,813 km (0.107 R)
• M14: 9,411,950 km (0.117 R)
• M15: 9,643,677 km (0.082 R)
• M16: 11,244,674 km (0.118 R)
• M17: 11,637,966 km (0.083 R)
• M18: 12,040,235 km (0.087 R)
• M19: 12,313,550 km (0.046 R)
• M20: 17,270,476 km (0.106 R)
• M21: 19,056,525 km (0.068 R)
• M22: 34,163,067 km (0.072 R)
• M23: 44,787,508 km (0.104 R)
• M24: 45,774,854 km (0.084 R)
• M25: 47,452,594 km (0.098 R)
• M26: 49,694,318 km (0.055 R)
• M27: 53,279,581 km (0.03 R)
• M28: 66,754,160 km (0.107 R)
• M29: 76,117,192 km (0.078 R)
• M30: 76,817,609 km (0.047 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: 224 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit