🌌 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: 334.6

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.56 AU - 0.56 AU

Year: 289 Days

Day: 10.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,692,987 km

• M1: 181,612 km (0.087 R)
• M2: 678,426 km (0.086 R)
• M3: 1,252,433 km (0.114 R)
• M4: 1,710,652 km (0.115 R)
• M5: 2,175,153 km (0.094 R)
• M6: 2,759,034 km (0.101 R)
• M7: 3,447,034 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 12.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,692,987 km

• M1: 154,235 km (0.057 R)
• M2: 545,883 km (0.102 R)
• M3: 1,019,061 km (0.114 R)
• M4: 1,405,023 km (0.102 R)
• M5: 1,792,631 km (0.116 R)
• M6: 2,472,853 km (0.097 R)
• M7: 3,244,479 km (0.083 R)
• M8: 3,641,362 km (0.106 R)
• M9: 4,183,504 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 9

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.38 AU - 1.52 AU

Year: 1205 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,692,987 km

• M1: 112,049 km (0.097 R)
• M2: 425,756 km (0.117 R)
• M3: 751,281 km (0.03 R)
• M4: 1,291,329 km (0.093 R)
• M5: 1,715,738 km (0.08 R)
• M6: 2,177,547 km (0.06 R)
• M7: 2,658,653 km (0.113 R)
• M8: 2,951,267 km (0.106 R)
• M9: 3,945,494 km (0.08 R)
• M10: 4,466,843 km (0.107 R)
• M11: 4,864,175 km (0.119 R)
• M12: 5,167,858 km (0.048 R)
• M13: 5,544,995 km (0.085 R)
• M14: 5,961,625 km (0.103 R)
• M15: 7,662,553 km (0.118 R)
• M16: 9,843,689 km (0.115 R)
• M17: 10,207,811 km (0.068 R)
• M18: 10,549,492 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 11.1

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.21 AU - 1.75 AU

Year: 1243 Days

Day: 6.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,692,987 km

• M1: 138,827 km (0.061 R)
• M2: 540,647 km (0.115 R)
• M3: 1,110,315 km (0.094 R)
• M4: 1,766,152 km (0.116 R)
• M5: 2,111,724 km (0.104 R)
• M6: 2,490,954 km (0.036 R)
• M7: 3,110,589 km (0.076 R)
• M8: 3,765,079 km (0.09 R)
• M9: 4,527,580 km (0.101 R)
• M10: 5,266,443 km (0.109 R)
• M11: 5,927,217 km (0.104 R)
• M12: 6,594,573 km (0.093 R)
• M13: 7,439,951 km (0.103 R)
• M14: 8,725,894 km (0.071 R)
• M15: 9,136,092 km (0.074 R)
• M16: 10,090,676 km (0.066 R)
• M17: 10,575,821 km (0.108 R)
• M18: 12,053,400 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.9

Radius: 11.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.27 AU - 3.81 AU

Year: 4597 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,692,987 km

• M1: 172,337 km (0.1 R)
• M2: 678,277 km (0.058 R)
• M3: 1,047,185 km (0.089 R)
• M4: 1,671,457 km (0.059 R)
• M5: 2,319,814 km (0.085 R)
• M6: 2,835,179 km (0.034 R)
• M7: 4,180,064 km (0.107 R)
• M8: 5,231,737 km (0.043 R)
• M9: 5,937,390 km (0.068 R)
• M10: 6,620,155 km (0.073 R)
• M11: 7,725,982 km (0.075 R)
• M12: 14,917,900 km (0.044 R)
• M13: 19,850,441 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.9

Radius: 13.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.91 AU - 4.57 AU

Year: 4993 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,692,987 km

• M1: 170,691 km (0.09 R)
• M2: 618,138 km (0.055 R)
• M3: 1,088,624 km (0.072 R)
• M4: 1,615,956 km (0.114 R)
• M5: 3,978,705 km (0.105 R)
• M6: 6,305,849 km (0.041 R)
• M7: 6,896,761 km (0.053 R)
• M8: 9,219,717 km (0.062 R)
• M9: 11,925,045 km (0.109 R)
• M10: 13,944,616 km (0.098 R)
• M11: 14,441,281 km (0.091 R)
• M12: 15,237,441 km (0.118 R)
• M13: 16,793,558 km (0.059 R)
• M14: 17,230,084 km (0.096 R)
• M15: 19,390,876 km (0.118 R)
• M16: 22,022,303 km (0.099 R)
• M17: 25,862,181 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 14.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.8 AU - 3.9 AU

Year: 5214 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,692,987 km

• M1: 177,872 km (0.1 R)
• M2: 880,533 km (0.087 R)
• M3: 1,734,288 km (0.052 R)
• M4: 2,343,600 km (0.108 R)
• M5: 2,963,534 km (0.11 R)
• M6: 6,917,406 km (0.103 R)
• M7: 7,365,451 km (0.043 R)
• M8: 7,832,945 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 9.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.94 AU - 5.38 AU

Year: 6944 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,692,987 km

• M1: 114,742 km (0.088 R)
• M2: 445,652 km (0.098 R)
• M3: 805,585 km (0.11 R)
• M4: 1,230,293 km (0.109 R)
• M5: 2,154,509 km (0.08 R)
• M6: 2,842,509 km (0.107 R)
• M7: 3,228,322 km (0.112 R)
• M8: 4,243,194 km (0.031 R)
• M9: 4,551,665 km (0.117 R)
• M10: 4,849,664 km (0.11 R)
• M11: 5,430,104 km (0.03 R)
• M12: 6,026,700 km (0.105 R)
• M13: 8,820,141 km (0.089 R)
• M14: 11,720,544 km (0.115 R)
• M15: 14,182,776 km (0.107 R)
• M16: 15,368,189 km (0.09 R)
• M17: 16,735,215 km (0.042 R)
• M18: 21,667,756 km (0.094 R)
• M19: 24,274,798 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.7

Radius: 5.2

Gravity: 27.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.68 AU - 5.82 AU

Year: 9517 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,692,987 km

• M1: 65,075 km (0.083 R)
• M2: 232,176 km (0.093 R)
• M3: 434,881 km (0.045 R)
• M4: 723,904 km (0.108 R)
• M5: 1,067,231 km (0.114 R)
• M6: 2,559,320 km (0.034 R)
• M7: 3,473,064 km (0.085 R)
• M8: 4,182,457 km (0.084 R)
• M9: 5,305,638 km (0.103 R)
• M10: 6,390,372 km (0.088 R)
• M11: 7,124,000 km (0.08 R)
• M12: 9,225,252 km (0.105 R)
• M13: 11,651,131 km (0.088 R)
• M14: 12,801,389 km (0.073 R)
• M15: 13,526,639 km (0.05 R)
• M16: 14,992,848 km (0.111 R)
• M17: 15,662,299 km (0.032 R)
• M18: 16,211,921 km (0.115 R)
• M19: 17,863,781 km (0.081 R)
• M20: 18,615,660 km (0.103 R)
• M21: 20,263,181 km (0.113 R)
• M22: 20,833,299 km (0.109 R)
• M23: 21,163,760 km (0.032 R)
• M24: 22,176,388 km (0.088 R)
• M25: 24,572,049 km (0.05 R)
• M26: 26,550,630 km (0.06 R)
• M27: 26,939,136 km (0.075 R)
• M28: 29,765,788 km (0.099 R)
• M29: 29,974,925 km (0.117 R)
• M30: 30,821,350 km (0.102 R)
• M31: 31,358,556 km (0.062 R)
• M32: 36,595,678 km (0.051 R)
• M33: 39,672,607 km (0.117 R)
• M34: 44,127,931 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.3

Radius: 7.1

Gravity: 18.04 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.81 AU - 6.53 AU

Year: 10579 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,692,987 km

• M1: 88,263 km (0.028 R)
• M2: 342,579 km (0.117 R)
• M3: 661,821 km (0.047 R)
• M4: 1,059,153 km (0.061 R)
• M5: 2,015,233 km (0.059 R)
• M6: 2,429,469 km (0.055 R)
• M7: 3,327,356 km (0.074 R)
• M8: 3,851,696 km (0.098 R)
• M9: 4,739,709 km (0.077 R)
• M10: 6,671,167 km (0.033 R)
• M11: 7,162,596 km (0.084 R)
• M12: 7,417,212 km (0.105 R)
• M13: 8,126,007 km (0.026 R)
• M14: 9,372,755 km (0.108 R)
• M15: 10,147,523 km (0.102 R)
• M16: 10,523,462 km (0.032 R)
• M17: 11,360,014 km (0.104 R)
• M18: 12,300,535 km (0.102 R)
• M19: 13,807,135 km (0.067 R)
• M20: 14,268,795 km (0.04 R)
• M21: 15,292,642 km (0.073 R)
• M22: 16,002,035 km (0.042 R)
• M23: 18,737,582 km (0.109 R)
• M24: 19,467,171 km (0.084 R)
• M25: 23,775,739 km (0.108 R)
• M26: 27,215,593 km (0.106 R)
• M27: 29,539,446 km (0.08 R)
• M28: 29,975,823 km (0.095 R)
• M29: 31,992,552 km (0.099 R)
• M30: 32,222,035 km (0.108 R)
• M31: 32,568,504 km (0.065 R)
• M32: 33,859,683 km (0.048 R)
• M33: 35,306,893 km (0.086 R)
• M34: 35,674,903 km (0.066 R)
• M35: 41,372,638 km (0.052 R)
• M36: 53,877,972 km (0.099 R)
• M37: 54,365,961 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 11,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit