🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.4

Radius: 14.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.59 AU - 0.69 AU

Year: 347 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,962,088 km

• M1: 177,124 km (0.119 R)
• M2: 650,751 km (0.074 R)
• M3: 1,241,812 km (0.088 R)
• M4: 1,689,558 km (0.105 R)
• M5: 2,262,668 km (0.066 R)
• M6: 2,791,047 km (0.027 R)
• M7: 3,257,793 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 11.6

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.09 AU - 1.13 AU

Year: 793 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,962,088 km

• M1: 144,212 km (0.119 R)
• M2: 529,128 km (0.055 R)
• M3: 941,419 km (0.068 R)
• M4: 1,332,169 km (0.09 R)
• M5: 1,776,624 km (0.067 R)
• M6: 2,242,472 km (0.05 R)
• M7: 3,077,827 km (0.097 R)
• M8: 3,607,702 km (0.117 R)
• M9: 4,485,543 km (0.05 R)
• M10: 4,884,370 km (0.11 R)
• M11: 5,464,810 km (0.109 R)
• M12: 5,883,235 km (0.056 R)
• M13: 6,264,411 km (0.095 R)
• M14: 6,929,673 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 11

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.89 AU - 1.37 AU

Year: 815 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,962,088 km

• M1: 136,732 km (0.097 R)
• M2: 609,761 km (0.107 R)
• M3: 993,779 km (0.11 R)
• M4: 1,459,178 km (0.066 R)
• M5: 1,870,273 km (0.081 R)
• M6: 2,319,665 km (0.039 R)
• M7: 2,774,293 km (0.114 R)
• M8: 3,528,864 km (0.091 R)
• M9: 4,061,433 km (0.118 R)
• M10: 4,415,381 km (0.084 R)
• M11: 5,001,655 km (0.109 R)
• M12: 5,479,321 km (0.118 R)
• M13: 6,368,980 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 11.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.21 AU - 1.83 AU

Year: 1271 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,962,088 km

• M1: 146,756 km (0.091 R)
• M2: 649,853 km (0.104 R)
• M3: 1,402,181 km (0.111 R)
• M4: 1,896,303 km (0.114 R)
• M5: 2,418,250 km (0.094 R)
• M6: 2,892,176 km (0.078 R)
• M7: 3,443,743 km (0.044 R)
• M8: 4,719,514 km (0.03 R)
• M9: 5,508,942 km (0.055 R)
• M10: 6,051,533 km (0.052 R)
• M11: 6,779,776 km (0.098 R)
• M12: 7,244,277 km (0.04 R)
• M13: 8,352,797 km (0.102 R)
• M14: 8,856,792 km (0.091 R)
• M15: 9,860,893 km (0.057 R)
• M16: 11,185,433 km (0.071 R)
• M17: 12,471,974 km (0.11 R)
• M18: 13,052,713 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 14.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.06 AU - 2.18 AU

Year: 2094 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,962,088 km

• M1: 179,218 km (0.085 R)
• M2: 695,780 km (0.059 R)
• M3: 1,210,995 km (0.037 R)
• M4: 1,733,839 km (0.083 R)
• M5: 2,185,625 km (0.075 R)
• M6: 2,661,795 km (0.08 R)
• M7: 3,161,003 km (0.056 R)
• M8: 3,846,610 km (0.045 R)
• M9: 4,774,117 km (0.114 R)
• M10: 5,403,924 km (0.095 R)
• M11: 6,113,317 km (0.049 R)
• M12: 7,182,792 km (0.049 R)
• M13: 8,161,312 km (0.102 R)
• M14: 8,714,525 km (0.084 R)
• M15: 11,256,941 km (0.1 R)
• M16: 15,109,983 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 14.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.91 AU - 3.69 AU

Year: 4066 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,962,088 km

• M1: 181,761 km (0.112 R)
• M2: 978,520 km (0.085 R)
• M3: 1,815,969 km (0.053 R)
• M4: 2,750,357 km (0.083 R)
• M5: 3,513,156 km (0.085 R)
• M6: 5,965,813 km (0.112 R)
• M7: 6,470,108 km (0.092 R)
• M8: 8,499,553 km (0.092 R)
• M9: 10,638,802 km (0.047 R)
• M10: 11,986,529 km (0.114 R)
• M11: 13,209,941 km (0.117 R)
• M12: 13,683,568 km (0.1 R)
• M13: 15,536,038 km (0.084 R)
• M14: 17,156,781 km (0.11 R)
• M15: 19,066,997 km (0.059 R)
• M16: 20,416,818 km (0.111 R)
• M17: 21,179,618 km (0.068 R)
• M18: 21,895,294 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 11

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.56 AU - 4.22 AU

Year: 4233 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,962,088 km

• M1: 137,630 km (0.097 R)
• M2: 538,104 km (0.062 R)
• M3: 1,141,731 km (0.064 R)
• M4: 1,549,984 km (0.104 R)
• M5: 1,938,938 km (0.05 R)
• M6: 2,591,334 km (0.119 R)
• M7: 6,133,064 km (0.088 R)
• M8: 7,869,446 km (0.109 R)
• M9: 11,573,041 km (0.106 R)
• M10: 12,377,877 km (0.099 R)
• M11: 13,801,750 km (0.118 R)
• M12: 14,706,817 km (0.116 R)
• M13: 15,069,442 km (0.117 R)
• M14: 16,579,483 km (0.046 R)
• M15: 17,486,495 km (0.065 R)
• M16: 22,116,549 km (0.095 R)
• M17: 22,661,385 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.4

Radius: 4.2

Gravity: 56.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.82 AU - 7.76 AU

Year: 12000 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,962,088 km

• M1: 59,390 km (0.072 R)
• M2: 220,507 km (0.119 R)
• M3: 446,699 km (0.111 R)
• M4: 678,576 km (0.103 R)
• M5: 1,232,238 km (0.069 R)
• M6: 1,412,353 km (0.037 R)
• M7: 1,707,360 km (0.069 R)
• M8: 3,082,315 km (0.033 R)
• M9: 3,415,768 km (0.076 R)
• M10: 3,632,835 km (0.086 R)
• M11: 5,203,014 km (0.096 R)
• M12: 6,747,014 km (0.083 R)
• M13: 6,916,508 km (0.114 R)
• M14: 7,487,074 km (0.117 R)
• M15: 8,135,880 km (0.104 R)
• M16: 8,871,752 km (0.106 R)
• M17: 9,812,274 km (0.114 R)
• M18: 10,029,939 km (0.12 R)
• M19: 18,988,458 km (0.117 R)
• M20: 24,391,933 km (0.117 R)
• M21: 26,433,495 km (0.073 R)
• M22: 34,975,683 km (0.091 R)
• M23: 38,635,296 km (0.093 R)
• M24: 39,725,864 km (0.097 R)
• M25: 42,111,352 km (0.094 R)
• M26: 47,010,981 km (0.107 R)
• M27: 47,165,217 km (0.097 R)
• M28: 47,474,435 km (0.039 R)
• M29: 48,410,320 km (0.073 R)
• M30: 50,480,305 km (0.096 R)
• M31: 53,442,792 km (0.084 R)
• M32: 57,746,424 km (0.111 R)
• M33: 60,254,582 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.2

Radius: 4.8

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.32 AU - 9.08 AU

Year: 14492 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,962,088 km

• M1: 61,784 km (0.094 R)
• M2: 292,165 km (0.071 R)
• M3: 569,070 km (0.057 R)
• M4: 743,801 km (0.096 R)
• M5: 975,528 km (0.038 R)
• M6: 1,385,575 km (0.059 R)
• M7: 1,754,783 km (0.109 R)
• M8: 2,457,893 km (0.051 R)
• M9: 3,283,524 km (0.116 R)
• M10: 3,719,153 km (0.088 R)
• M11: 4,894,992 km (0.113 R)
• M12: 5,637,596 km (0.119 R)
• M13: 7,471,067 km (0.053 R)
• M14: 9,022,098 km (0.046 R)
• M15: 9,316,357 km (0.071 R)
• M16: 12,201,202 km (0.068 R)
• M17: 13,365,523 km (0.051 R)
• M18: 16,055,292 km (0.116 R)
• M19: 16,270,414 km (0.051 R)
• M20: 17,450,741 km (0.114 R)
• M21: 17,984,656 km (0.049 R)
• M22: 21,332,507 km (0.104 R)
• M23: 22,834,619 km (0.095 R)
• M24: 24,311,599 km (0.028 R)
• M25: 25,169,692 km (0.098 R)
• M26: 27,148,573 km (0.117 R)
• M27: 31,862,252 km (0.12 R)
• M28: 32,316,132 km (0.104 R)
• M29: 37,218,604 km (0.103 R)
• M30: 37,595,590 km (0.088 R)
• M31: 39,129,268 km (0.074 R)
• M32: 43,979,680 km (0.111 R)
• M33: 48,914,465 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 4.2

Gravity: 48.49 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.99 AU - 11.27 AU

Year: 21868 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,962,088 km

• M1: 52,658 km (0.079 R)
• M2: 414,984 km (0.065 R)
• M3: 790,026 km (0.118 R)
• M4: 1,151,604 km (0.083 R)
• M5: 1,706,463 km (0.117 R)
• M6: 2,193,853 km (0.068 R)
• M7: 2,352,127 km (0.119 R)
• M8: 3,063,316 km (0.069 R)
• M9: 6,399,647 km (0.114 R)
• M10: 8,184,948 km (0.053 R)
• M11: 11,311,843 km (0.062 R)
• M12: 18,918,745 km (0.064 R)
• M13: 27,986,770 km (0.113 R)
• M14: 28,976,958 km (0.094 R)
• M15: 32,356,224 km (0.072 R)
• M16: 32,898,367 km (0.028 R)
• M17: 35,988,909 km (0.115 R)
• M18: 41,454,318 km (0.071 R)
• M19: 41,773,261 km (0.03 R)
• M20: 54,182,853 km (0.061 R)
• M21: 59,481,011 km (0.086 R)
• M22: 60,498,576 km (0.119 R)
• M23: 78,395,268 km (0.085 R)
• M24: 85,664,977 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 16,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit