🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 8.3

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.74 AU - 1 AU

Year: 550 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,251,869 km

• M1: 103,223 km (0.094 R)
• M2: 379,979 km (0.09 R)
• M3: 741,706 km (0.059 R)
• M4: 1,057,208 km (0.12 R)
• M5: 1,316,611 km (0.104 R)
• M6: 1,698,085 km (0.095 R)
• M7: 2,086,741 km (0.078 R)
• M8: 2,357,662 km (0.094 R)
• M9: 2,740,932 km (0.098 R)
• M10: 3,190,175 km (0.107 R)
• M11: 3,757,001 km (0.115 R)
• M12: 4,028,072 km (0.026 R)
• M13: 4,690,342 km (0.112 R)
• M14: 5,073,313 km (0.072 R)
• M15: 5,978,230 km (0.035 R)
• M16: 6,570,638 km (0.086 R)
• M17: 6,965,576 km (0.112 R)
• M18: 7,464,934 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 13.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1 AU - 1.04 AU

Year: 699 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,251,869 km

• M1: 162,912 km (0.12 R)
• M2: 589,565 km (0.113 R)
• M3: 1,022,651 km (0.12 R)
• M4: 1,571,077 km (0.099 R)
• M5: 2,028,697 km (0.111 R)
• M6: 2,556,029 km (0.079 R)
• M7: 3,221,141 km (0.075 R)
• M8: 4,138,475 km (0.103 R)
• M9: 4,605,819 km (0.106 R)
• M10: 5,595,260 km (0.091 R)
• M11: 6,187,069 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 10.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.34 AU - 1.84 AU

Year: 1360 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,251,869 km

• M1: 131,796 km (0.084 R)
• M2: 693,237 km (0.106 R)
• M3: 1,101,938 km (0.089 R)
• M4: 1,681,779 km (0.115 R)
• M5: 2,048,294 km (0.076 R)
• M6: 2,960,093 km (0.095 R)
• M7: 3,580,475 km (0.051 R)
• M8: 3,965,241 km (0.082 R)
• M9: 4,303,781 km (0.05 R)
• M10: 4,700,515 km (0.054 R)
• M11: 5,121,633 km (0.076 R)
• M12: 6,345,642 km (0.101 R)
• M13: 7,090,490 km (0.036 R)
• M14: 8,813,858 km (0.064 R)
• M15: 9,238,865 km (0.083 R)
• M16: 10,129,870 km (0.089 R)
• M17: 12,418,119 km (0.06 R)
• M18: 12,798,547 km (0.115 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 14.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.15 AU - 2.23 AU

Year: 2198 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,251,869 km

• M1: 185,352 km (0.073 R)
• M2: 749,037 km (0.111 R)
• M3: 1,518,418 km (0.051 R)
• M4: 2,177,098 km (0.069 R)
• M5: 3,023,074 km (0.097 R)
• M6: 4,653,691 km (0.116 R)
• M7: 5,191,046 km (0.116 R)
• M8: 5,745,905 km (0.084 R)
• M9: 6,238,381 km (0.039 R)
• M10: 7,682,449 km (0.117 R)
• M11: 8,281,888 km (0.117 R)
• M12: 9,173,641 km (0.086 R)
• M13: 10,961,934 km (0.112 R)
• M14: 12,077,186 km (0.045 R)
• M15: 13,182,415 km (0.118 R)
• M16: 13,781,554 km (0.098 R)
• M17: 14,988,360 km (0.042 R)
• M18: 15,926,937 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 12.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.34 AU - 5.58 AU

Year: 7492 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,251,869 km

• M1: 160,369 km (0.096 R)
• M2: 725,699 km (0.111 R)
• M3: 1,175,390 km (0.1 R)
• M4: 3,852,744 km (0.096 R)
• M5: 5,600,047 km (0.094 R)
• M6: 6,307,345 km (0.115 R)
• M7: 7,606,005 km (0.11 R)
• M8: 8,671,740 km (0.115 R)
• M9: 10,773,141 km (0.096 R)
• M10: 12,880,227 km (0.095 R)
• M11: 13,300,597 km (0.072 R)
• M12: 15,483,529 km (0.112 R)
• M13: 16,200,701 km (0.084 R)
• M14: 18,552,230 km (0.12 R)
• M15: 22,005,697 km (0.112 R)
• M16: 24,801,233 km (0.091 R)
• M17: 31,087,784 km (0.115 R)
• M18: 31,941,539 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 11.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.16 AU - 6.34 AU

Year: 8159 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,251,869 km

• M1: 147,952 km (0.104 R)
• M2: 567,574 km (0.032 R)
• M3: 1,017,266 km (0.107 R)
• M4: 2,271,943 km (0.085 R)
• M5: 4,256,209 km (0.053 R)
• M6: 7,299,927 km (0.083 R)
• M7: 8,055,845 km (0.079 R)
• M8: 9,763,954 km (0.06 R)
• M9: 10,174,301 km (0.076 R)
• M10: 15,592,885 km (0.066 R)
• M11: 17,140,026 km (0.116 R)
• M12: 23,109,729 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.6

Radius: 5.2

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.35 AU - 9.77 AU

Year: 18496 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,251,869 km

• M1: 64,626 km (0.089 R)
• M2: 593,156 km (0.063 R)
• M3: 1,239,119 km (0.098 R)
• M4: 1,499,270 km (0.105 R)
• M5: 2,570,391 km (0.09 R)
• M6: 3,689,383 km (0.09 R)
• M7: 5,243,705 km (0.084 R)
• M8: 6,494,343 km (0.095 R)
• M9: 6,922,941 km (0.084 R)
• M10: 7,233,955 km (0.082 R)
• M11: 7,836,236 km (0.104 R)
• M12: 8,673,535 km (0.044 R)
• M13: 9,087,472 km (0.098 R)
• M14: 10,010,790 km (0.088 R)
• M15: 10,293,829 km (0.063 R)
• M16: 10,582,254 km (0.115 R)
• M17: 10,816,824 km (0.089 R)
• M18: 14,120,094 km (0.08 R)
• M19: 14,404,480 km (0.119 R)
• M20: 14,692,605 km (0.098 R)
• M21: 16,114,533 km (0.071 R)
• M22: 16,425,248 km (0.099 R)
• M23: 19,578,472 km (0.064 R)
• M24: 19,843,410 km (0.054 R)
• M25: 20,110,591 km (0.103 R)
• M26: 20,470,673 km (0.084 R)
• M27: 23,607,442 km (0.089 R)
• M28: 25,867,716 km (0.109 R)
• M29: 34,012,871 km (0.07 R)
• M30: 39,778,971 km (0.091 R)
• M31: 45,542,678 km (0.067 R)
• M32: 55,457,576 km (0.117 R)
• M33: 56,521,666 km (0.101 R)
• M34: 58,873,793 km (0.107 R)
• M35: 59,795,466 km (0.086 R)
• M36: 61,290,248 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.8

Radius: 3.6

Gravity: 47.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.2 AU - 10.84 AU

Year: 19923 Days

Day: 16.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,251,869 km

• M1: 59,091 km (0.111 R)
• M2: 480,060 km (0.103 R)
• M3: 815,757 km (0.095 R)
• M4: 1,072,168 km (0.099 R)
• M5: 1,320,052 km (0.118 R)
• M6: 2,755,144 km (0.097 R)
• M7: 4,266,082 km (0.057 R)
• M8: 5,639,541 km (0.09 R)
• M9: 6,688,670 km (0.079 R)
• M10: 7,235,750 km (0.1 R)
• M11: 7,377,120 km (0.027 R)
• M12: 7,861,368 km (0.067 R)
• M13: 9,055,458 km (0.111 R)
• M14: 9,219,567 km (0.114 R)
• M15: 9,441,570 km (0.056 R)
• M16: 13,212,933 km (0.046 R)
• M17: 17,622,480 km (0.087 R)
• M18: 18,223,564 km (0.119 R)
• M19: 23,021,916 km (0.039 R)
• M20: 23,843,657 km (0.098 R)
• M21: 24,472,716 km (0.112 R)
• M22: 25,220,406 km (0.06 R)
• M23: 25,873,401 km (0.096 R)
• M24: 36,095,872 km (0.113 R)
• M25: 36,924,494 km (0.067 R)
• M26: 40,218,939 km (0.04 R)
• M27: 42,622,677 km (0.117 R)
• M28: 43,859,852 km (0.092 R)
• M29: 48,711,909 km (0.113 R)
• M30: 48,879,608 km (0.106 R)
• M31: 53,018,981 km (0.112 R)
• M32: 53,374,127 km (0.091 R)
• M33: 54,810,416 km (0.107 R)
• M34: 62,776,203 km (0.115 R)
• M35: 65,186,225 km (0.107 R)
• M36: 65,798,080 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 3.5

Gravity: 55.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.01 AU - 11.45 AU

Year: 20585 Days

Day: 24.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,251,869 km

• M1: 43,533 km (0.104 R)
• M2: 457,321 km (0.038 R)
• M3: 1,058,405 km (0.116 R)
• M4: 2,066,246 km (0.106 R)
• M5: 2,212,702 km (0.087 R)
• M6: 2,573,532 km (0.104 R)
• M7: 2,768,009 km (0.075 R)
• M8: 3,325,561 km (0.058 R)
• M9: 3,986,185 km (0.069 R)
• M10: 5,022,001 km (0.083 R)
• M11: 5,443,119 km (0.095 R)
• M12: 6,139,347 km (0.054 R)
• M13: 7,268,362 km (0.051 R)
• M14: 10,962,382 km (0.109 R)
• M15: 11,603,260 km (0.068 R)
• M16: 13,602,486 km (0.066 R)
• M17: 14,798,221 km (0.118 R)
• M18: 15,819,975 km (0.073 R)
• M19: 21,051,712 km (0.053 R)
• M20: 22,851,524 km (0.092 R)
• M21: 27,328,389 km (0.062 R)
• M22: 27,444,328 km (0.061 R)
• M23: 28,383,802 km (0.101 R)
• M24: 36,823,965 km (0.108 R)
• M25: 37,965,845 km (0.078 R)
• M26: 39,426,070 km (0.082 R)
• M27: 45,968,883 km (0.075 R)
• M28: 50,710,387 km (0.06 R)
• M29: 52,122,591 km (0.114 R)
• M30: 58,802,884 km (0.057 R)
• M31: 58,996,164 km (0.075 R)
• M32: 59,578,549 km (0.05 R)
• M33: 59,773,475 km (0.113 R)
• M34: 61,348,740 km (0.084 R)
• M35: 65,614,823 km (0.08 R)
• M36: 71,384,813 km (0.066 R)
• M37: 73,380,748 km (0.204 R)
• M38: 74,054,237 km (0.1 R)
• M39: 76,099,539 km (0.088 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: 413 - 14,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit