🌌 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: 282.3

Radius: 10.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 6 Hours

Environment

Temp: -152 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,837,960 km

• M1: 133,142 km (0.114 R)
• M2: 498,311 km (0.025 R)
• M3: 864,676 km (0.046 R)
• M4: 1,238,371 km (0.09 R)
• M5: 1,600,847 km (0.11 R)
• M6: 1,988,754 km (0.096 R)
• M7: 2,342,852 km (0.099 R)

Asteroid Belt

Center: 0.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 12.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1 AU - 1.16 AU

Year: 761 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,837,960 km

• M1: 155,432 km (0.058 R)
• M2: 594,951 km (0.096 R)
• M3: 1,642,435 km (0.099 R)
• M4: 2,323,554 km (0.117 R)
• M5: 2,725,075 km (0.065 R)
• M6: 3,329,151 km (0.067 R)
• M7: 3,828,658 km (0.106 R)
• M8: 4,220,306 km (0.114 R)
• M9: 4,807,178 km (0.117 R)
• M10: 5,264,349 km (0.056 R)
• M11: 6,390,223 km (0.046 R)
• M12: 7,166,037 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 8.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.91 AU - 1.43 AU

Year: 858 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,837,960 km

• M1: 106,962 km (0.103 R)
• M2: 420,370 km (0.107 R)
• M3: 784,342 km (0.115 R)
• M4: 1,154,896 km (0.115 R)
• M5: 2,933,165 km (0.116 R)
• M6: 4,318,741 km (0.069 R)
• M7: 6,384,987 km (0.12 R)
• M8: 7,306,659 km (0.114 R)
• M9: 7,585,659 km (0.081 R)
• M10: 8,644,363 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.8

Radius: 13.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.08 AU - 1.66 AU

Year: 1088 Days

Day: 7 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,837,960 km

• M1: 177,423 km (0.084 R)
• M2: 650,601 km (0.119 R)
• M3: 1,086,529 km (0.115 R)
• M4: 1,818,811 km (0.093 R)
• M5: 2,244,566 km (0.107 R)
• M6: 2,933,913 km (0.084 R)
• M7: 3,527,219 km (0.097 R)
• M8: 4,431,987 km (0.083 R)
• M9: 5,270,034 km (0.081 R)
• M10: 7,261,929 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 11.4

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.61 AU - 1.67 AU

Year: 1424 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,837,960 km

• M1: 141,968 km (0.101 R)
• M2: 505,491 km (0.107 R)
• M3: 921,822 km (0.113 R)
• M4: 1,316,461 km (0.108 R)
• M5: 1,866,981 km (0.065 R)
• M6: 3,007,964 km (0.068 R)
• M7: 3,467,080 km (0.075 R)
• M8: 3,955,069 km (0.063 R)
• M9: 4,843,381 km (0.089 R)
• M10: 5,411,254 km (0.088 R)
• M11: 6,456,195 km (0.084 R)
• M12: 7,493,657 km (0.097 R)
• M13: 8,167,595 km (0.09 R)
• M14: 8,638,978 km (0.086 R)
• M15: 9,190,994 km (0.063 R)
• M16: 9,963,517 km (0.079 R)
• M17: 10,813,682 km (0.103 R)
• M18: 13,614,603 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 13.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.69 AU - 1.71 AU

Year: 1503 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,837,960 km

• M1: 169,494 km (0.11 R)
• M2: 708,645 km (0.067 R)
• M3: 1,730,249 km (0.076 R)
• M4: 2,310,689 km (0.061 R)
• M5: 5,185,511 km (0.102 R)
• M6: 5,635,651 km (0.101 R)
• M7: 6,089,830 km (0.104 R)
• M8: 7,396,717 km (0.088 R)
• M9: 7,915,971 km (0.077 R)
• M10: 8,969,739 km (0.112 R)
• M11: 11,698,254 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 13

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.79 AU - 1.81 AU

Year: 1638 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,837,960 km

• M1: 161,715 km (0.056 R)
• M2: 640,877 km (0.062 R)
• M3: 1,092,064 km (0.1 R)
• M4: 1,890,468 km (0.061 R)
• M5: 2,299,618 km (0.117 R)
• M6: 4,182,607 km (0.111 R)
• M7: 5,349,021 km (0.042 R)
• M8: 6,590,235 km (0.115 R)
• M9: 7,209,271 km (0.039 R)
• M10: 7,633,830 km (0.103 R)
• M11: 8,074,994 km (0.105 R)
• M12: 8,784,537 km (0.045 R)
• M13: 9,569,028 km (0.068 R)
• M14: 10,293,231 km (0.035 R)
• M15: 11,890,188 km (0.1 R)
• M16: 12,891,597 km (0.074 R)
• M17: 15,523,771 km (0.063 R)
• M18: 16,042,576 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 9.3

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.49 AU - 5.81 AU

Year: 7927 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,837,960 km

• M1: 120,576 km (0.09 R)
• M2: 411,544 km (0.12 R)
• M3: 768,035 km (0.079 R)
• M4: 1,322,744 km (0.073 R)
• M5: 1,733,989 km (0.088 R)
• M6: 2,539,573 km (0.107 R)
• M7: 2,878,712 km (0.099 R)
• M8: 3,316,435 km (0.106 R)
• M9: 3,925,897 km (0.094 R)
• M10: 4,465,496 km (0.12 R)
• M11: 4,782,943 km (0.1 R)
• M12: 6,978,441 km (0.12 R)
• M13: 7,978,354 km (0.118 R)
• M14: 8,711,084 km (0.111 R)
• M15: 11,022,222 km (0.091 R)
• M16: 11,550,751 km (0.03 R)
• M17: 12,772,965 km (0.078 R)
• M18: 14,079,254 km (0.074 R)
• M19: 14,764,861 km (0.108 R)
• M20: 15,083,804 km (0.1 R)
• M21: 16,001,287 km (0.07 R)
• M22: 19,659,703 km (0.112 R)
• M23: 20,358,625 km (0.117 R)
• M24: 21,074,002 km (0.084 R)
• M25: 22,386,873 km (0.094 R)
• M26: 22,723,468 km (0.105 R)
• M27: 26,841,000 km (0.067 R)
• M28: 29,576,696 km (0.072 R)
• M29: 35,367,779 km (0.116 R)
• M30: 38,407,757 km (0.117 R)
• M31: 40,987,124 km (0.101 R)
• M32: 43,028,088 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816

Radius: 7.3

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.25 AU - 7.93 AU

Year: 11474 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,837,960 km

• M1: 141,520 km (0.097 R)
• M2: 515,813 km (0.1 R)
• M3: 749,785 km (0.11 R)
• M4: 1,259,764 km (0.05 R)
• M5: 1,779,467 km (0.107 R)
• M6: 2,088,835 km (0.083 R)
• M7: 2,474,648 km (0.084 R)
• M8: 3,596,034 km (0.109 R)
• M9: 4,007,428 km (0.073 R)
• M10: 4,480,606 km (0.102 R)
• M11: 4,957,374 km (0.104 R)
• M12: 6,278,174 km (0.037 R)
• M13: 9,391,754 km (0.058 R)
• M14: 10,118,800 km (0.079 R)
• M15: 10,995,144 km (0.096 R)
• M16: 11,393,972 km (0.104 R)
• M17: 13,023,691 km (0.068 R)
• M18: 13,795,616 km (0.119 R)
• M19: 16,367,802 km (0.037 R)
• M20: 19,407,631 km (0.098 R)
• M21: 19,990,464 km (0.025 R)
• M22: 22,348,127 km (0.098 R)
• M23: 23,080,857 km (0.06 R)
• M24: 24,885,007 km (0.04 R)
• M25: 26,475,682 km (0.091 R)
• M26: 27,192,405 km (0.102 R)
• M27: 34,841,942 km (0.109 R)
• M28: 37,338,133 km (0.066 R)
• M29: 37,594,095 km (0.056 R)
• M30: 37,980,356 km (0.09 R)
• M31: 38,891,706 km (0.092 R)
• M32: 40,353,278 km (0.111 R)
• M33: 46,862,879 km (0.088 R)
• M34: 49,589,749 km (0.11 R)
• M35: 55,191,442 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.1

Radius: 7.6

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.24 AU - 9.78 AU

Year: 18343 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,837,960 km

• M1: 94,546 km (0.096 R)
• M2: 384,317 km (0.053 R)
• M3: 627,114 km (0.067 R)
• M4: 1,160,580 km (0.102 R)
• M5: 1,411,007 km (0.104 R)
• M6: 1,985,613 km (0.099 R)
• M7: 3,534,549 km (0.119 R)
• M8: 4,794,013 km (0.097 R)
• M9: 6,455,447 km (0.099 R)
• M10: 8,519,748 km (0.052 R)
• M11: 8,937,426 km (0.107 R)
• M12: 9,757,372 km (0.104 R)
• M13: 10,448,813 km (0.105 R)
• M14: 10,988,412 km (0.109 R)
• M15: 12,123,112 km (0.078 R)
• M16: 13,897,343 km (0.095 R)
• M17: 15,994,556 km (0.083 R)
• M18: 16,231,070 km (0.045 R)
• M19: 16,711,129 km (0.086 R)
• M20: 17,036,355 km (0.092 R)
• M21: 22,634,158 km (0.069 R)
• M22: 25,307,472 km (0.074 R)
• M23: 25,844,678 km (0.071 R)
• M24: 28,877,775 km (0.11 R)
• M25: 32,265,568 km (0.102 R)
• M26: 35,774,536 km (0.061 R)
• M27: 36,861,215 km (0.116 R)
• M28: 40,253,047 km (0.056 R)
• M29: 40,691,070 km (0.114 R)
• M30: 44,778,083 km (0.036 R)
• M31: 50,134,734 km (0.114 R)
• M32: 51,323,439 km (0.11 R)
• M33: 54,466,191 km (0.118 R)
• M34: 58,852,850 km (0.048 R)
• M35: 66,881,767 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 13,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit