🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 10.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 6.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,012,218 km

• M1: 136,433 km (0.067 R)
• M2: 394,041 km (0.085 R)
• M3: 599,738 km (0.117 R)
• M4: 840,441 km (0.038 R)
• M5: 1,167,911 km (0.101 R)
• M6: 1,656,946 km (0.094 R)
• M7: 2,077,166 km (0.092 R)
• M8: 2,360,954 km (0.076 R)
• M9: 3,205,284 km (0.075 R)
• M10: 3,476,804 km (0.106 R)
• M11: 3,783,181 km (0.116 R)
• M12: 4,054,102 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 14.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.89 AU - 1.09 AU

Year: 692 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,012,218 km

• M1: 180,415 km (0.061 R)
• M2: 457,321 km (0.088 R)
• M3: 805,285 km (0.073 R)
• M4: 1,236,127 km (0.092 R)
• M5: 1,722,021 km (0.1 R)
• M6: 2,111,724 km (0.104 R)
• M7: 2,856,123 km (0.054 R)
• M8: 3,241,786 km (0.066 R)
• M9: 3,834,044 km (0.107 R)
• M10: 4,181,560 km (0.047 R)
• M11: 5,185,661 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.16 AU - 1.44 AU

Year: 1042 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,012,218 km

• M1: 183,706 km (0.111 R)
• M2: 724,054 km (0.057 R)
• M3: 1,018,313 km (0.064 R)
• M4: 1,652,308 km (0.094 R)
• M5: 2,119,203 km (0.119 R)
• M6: 2,671,070 km (0.064 R)
• M7: 2,927,481 km (0.115 R)
• M8: 3,535,746 km (0.086 R)
• M9: 3,832,099 km (0.09 R)
• M10: 4,231,675 km (0.112 R)
• M11: 4,623,173 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 9.7

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.49 AU - 2.27 AU

Year: 1812 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,012,218 km

• M1: 120,576 km (0.049 R)
• M2: 475,272 km (0.097 R)
• M3: 877,840 km (0.087 R)
• M4: 1,235,379 km (0.108 R)
• M5: 1,604,736 km (0.101 R)
• M6: 1,819,260 km (0.093 R)
• M7: 2,303,059 km (0.084 R)
• M8: 2,733,901 km (0.089 R)
• M9: 3,624,308 km (0.051 R)
• M10: 3,889,694 km (0.104 R)
• M11: 4,087,463 km (0.043 R)
• M12: 4,628,558 km (0.103 R)
• M13: 5,379,988 km (0.105 R)
• M14: 7,831,000 km (0.055 R)
• M15: 8,090,851 km (0.047 R)
• M16: 8,578,540 km (0.1 R)
• M17: 9,034,365 km (0.091 R)
• M18: 9,454,885 km (0.119 R)
• M19: 10,648,676 km (0.106 R)
• M20: 11,519,335 km (0.091 R)
• M21: 13,675,639 km (0.091 R)
• M22: 14,602,248 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 8.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.86 AU - 2.1 AU

Year: 1958 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,012,218 km

• M1: 115,041 km (0.089 R)
• M2: 640,728 km (0.103 R)
• M3: 979,268 km (0.047 R)
• M4: 1,343,538 km (0.063 R)
• M5: 1,527,693 km (0.104 R)
• M6: 1,828,236 km (0.047 R)
• M7: 2,687,975 km (0.114 R)
• M8: 3,125,997 km (0.113 R)
• M9: 3,749,521 km (0.099 R)
• M10: 5,155,741 km (0.114 R)
• M11: 7,134,322 km (0.071 R)
• M12: 8,070,506 km (0.116 R)
• M13: 9,843,989 km (0.057 R)
• M14: 11,278,931 km (0.092 R)
• M15: 12,864,370 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 11.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.44 AU - 2.52 AU

Year: 2745 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,012,218 km

• M1: 143,165 km (0.042 R)
• M2: 368,160 km (0.062 R)
• M3: 953,986 km (0.042 R)
• M4: 2,194,002 km (0.079 R)
• M5: 2,856,871 km (0.094 R)
• M6: 4,406,106 km (0.06 R)
• M7: 4,738,961 km (0.089 R)
• M8: 5,381,484 km (0.095 R)
• M9: 6,130,521 km (0.066 R)
• M10: 6,568,095 km (0.103 R)
• M11: 6,906,634 km (0.116 R)
• M12: 7,537,638 km (0.108 R)
• M13: 7,998,549 km (0.053 R)
• M14: 8,524,087 km (0.068 R)
• M15: 9,518,613 km (0.059 R)
• M16: 9,735,081 km (0.119 R)
• M17: 10,825,650 km (0.116 R)
• M18: 11,114,673 km (0.07 R)
• M19: 11,437,206 km (0.052 R)
• M20: 11,674,618 km (0.102 R)
• M21: 12,096,185 km (0.064 R)
• M22: 12,680,215 km (0.029 R)
• M23: 13,566,433 km (0.077 R)
• M24: 14,582,950 km (0.031 R)
• M25: 15,087,992 km (0.089 R)
• M26: 16,159,562 km (0.106 R)
• M27: 16,870,451 km (0.119 R)
• M28: 19,249,356 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 8.3

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.53 AU - 4.11 AU

Year: 5248 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,012,218 km

• M1: 197,469 km (0.111 R)
• M2: 1,276,668 km (0.117 R)
• M3: 1,584,989 km (0.062 R)
• M4: 2,114,716 km (0.088 R)
• M5: 2,426,926 km (0.082 R)
• M6: 2,853,430 km (0.051 R)
• M7: 3,376,274 km (0.118 R)
• M8: 4,821,240 km (0.109 R)
• M9: 5,344,384 km (0.109 R)
• M10: 7,049,351 km (0.087 R)
• M11: 7,619,768 km (0.113 R)
• M12: 8,149,344 km (0.111 R)
• M13: 9,060,694 km (0.086 R)
• M14: 18,349,824 km (0.111 R)
• M15: 20,812,953 km (0.1 R)
• M16: 22,895,655 km (0.111 R)
• M17: 24,799,886 km (0.072 R)
• M18: 26,264,001 km (0.073 R)
• M19: 28,957,361 km (0.104 R)
• M20: 29,560,390 km (0.104 R)
• M21: 30,415,042 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 5

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.87 AU - 6.73 AU

Year: 11115 Days

Day: 21.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,012,218 km

• M1: 103,073 km (0.079 R)
• M2: 430,393 km (0.064 R)
• M3: 1,285,644 km (0.086 R)
• M4: 1,489,247 km (0.063 R)
• M5: 1,908,869 km (0.078 R)
• M6: 3,609,946 km (0.103 R)
• M7: 4,572,309 km (0.055 R)
• M8: 5,861,394 km (0.111 R)
• M9: 6,550,442 km (0.081 R)
• M10: 8,260,346 km (0.103 R)
• M11: 8,774,813 km (0.05 R)
• M12: 9,969,950 km (0.113 R)
• M13: 11,031,497 km (0.109 R)
• M14: 12,590,456 km (0.106 R)
• M15: 14,300,808 km (0.12 R)
• M16: 14,396,252 km (0.091 R)
• M17: 14,927,624 km (0.107 R)
• M18: 16,682,407 km (0.066 R)
• M19: 18,210,549 km (0.065 R)
• M20: 23,258,879 km (0.112 R)
• M21: 23,441,986 km (0.058 R)
• M22: 23,748,512 km (0.073 R)
• M23: 25,694,182 km (0.103 R)
• M24: 30,509,289 km (0.079 R)
• M25: 32,063,162 km (0.085 R)
• M26: 32,277,985 km (0.073 R)
• M27: 32,421,748 km (0.088 R)
• M28: 34,987,501 km (0.063 R)
• M29: 36,192,961 km (0.113 R)
• M30: 37,651,241 km (0.094 R)
• M31: 38,195,628 km (0.097 R)
• M32: 39,534,229 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit