🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 9.8

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 12.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,811,663 km

• M1: 121,922 km (0.105 R)
• M2: 437,424 km (0.114 R)
• M3: 976,724 km (0.059 R)
• M4: 1,459,776 km (0.035 R)
• M5: 1,771,987 km (0.112 R)
• M6: 3,170,128 km (0.112 R)
• M7: 3,797,841 km (0.105 R)
• M8: 4,186,796 km (0.093 R)
• M9: 4,798,950 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 14.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.33 AU - 2.09 AU

Year: 1517 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,811,663 km

• M1: 175,478 km (0.088 R)
• M2: 619,784 km (0.109 R)
• M3: 1,175,390 km (0.086 R)
• M4: 1,854,565 km (0.112 R)
• M5: 2,330,436 km (0.069 R)
• M6: 3,166,239 km (0.095 R)
• M7: 4,312,009 km (0.066 R)
• M8: 5,884,731 km (0.103 R)
• M9: 8,468,436 km (0.117 R)
• M10: 9,217,772 km (0.073 R)
• M11: 10,162,632 km (0.077 R)
• M12: 10,690,264 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 9

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.55 AU - 1.93 AU

Year: 1557 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,811,663 km

• M1: 117,135 km (0.111 R)
• M2: 441,613 km (0.085 R)
• M3: 726,148 km (0.049 R)
• M4: 1,216,829 km (0.053 R)
• M5: 1,542,952 km (0.09 R)
• M6: 1,949,709 km (0.119 R)
• M7: 2,571,288 km (0.098 R)
• M8: 3,055,237 km (0.079 R)
• M9: 3,788,117 km (0.082 R)
• M10: 6,591,282 km (0.103 R)
• M11: 7,954,119 km (0.119 R)
• M12: 8,427,596 km (0.063 R)
• M13: 8,857,092 km (0.076 R)
• M14: 9,495,874 km (0.091 R)
• M15: 10,937,250 km (0.06 R)
• M16: 12,284,229 km (0.061 R)
• M17: 14,463,870 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 11.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.75 AU - 2.57 AU

Year: 2153 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,811,663 km

• M1: 145,858 km (0.092 R)
• M2: 522,097 km (0.061 R)
• M3: 1,033,123 km (0.082 R)
• M4: 1,545,196 km (0.045 R)
• M5: 1,977,684 km (0.107 R)
• M6: 2,368,284 km (0.074 R)
• M7: 3,141,406 km (0.107 R)
• M8: 4,095,541 km (0.102 R)
• M9: 4,694,381 km (0.093 R)
• M10: 5,615,455 km (0.076 R)
• M11: 6,355,815 km (0.062 R)
• M12: 7,482,437 km (0.082 R)
• M13: 7,937,663 km (0.079 R)
• M14: 9,004,745 km (0.104 R)
• M15: 10,201,677 km (0.091 R)
• M16: 11,701,994 km (0.111 R)
• M17: 12,068,210 km (0.094 R)
• M18: 12,653,138 km (0.048 R)
• M19: 13,169,400 km (0.113 R)
• M20: 14,382,638 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.1

Radius: 12.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.63 AU - 2.67 AU

Year: 2926 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,811,663 km

• M1: 155,432 km (0.11 R)
• M2: 688,599 km (0.092 R)
• M3: 1,431,652 km (0.077 R)
• M4: 2,044,704 km (0.063 R)
• M5: 2,707,123 km (0.034 R)
• M6: 3,690,579 km (0.095 R)
• M7: 5,460,023 km (0.089 R)
• M8: 6,995,047 km (0.119 R)
• M9: 7,525,521 km (0.103 R)
• M10: 12,700,410 km (0.03 R)
• M11: 14,175,745 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 13.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.49 AU - 3.65 AU

Year: 3648 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,811,663 km

• M1: 171,738 km (0.109 R)
• M2: 709,244 km (0.039 R)
• M3: 1,146,219 km (0.094 R)
• M4: 1,761,814 km (0.102 R)
• M5: 2,468,066 km (0.096 R)
• M6: 4,328,315 km (0.074 R)
• M7: 5,383,130 km (0.109 R)
• M8: 6,361,201 km (0.079 R)
• M9: 6,795,334 km (0.047 R)
• M10: 9,550,029 km (0.112 R)
• M11: 11,214,604 km (0.088 R)
• M12: 11,891,385 km (0.094 R)
• M13: 12,511,020 km (0.092 R)
• M14: 12,978,962 km (0.11 R)
• M15: 13,502,853 km (0.045 R)
• M16: 14,639,797 km (0.094 R)
• M17: 16,438,113 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 10.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.11 AU - 4.29 AU

Year: 5838 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,811,663 km

• M1: 138,528 km (0.054 R)
• M2: 579,692 km (0.056 R)
• M3: 949,049 km (0.104 R)
• M4: 1,334,862 km (0.053 R)
• M5: 1,720,974 km (0.078 R)
• M6: 2,136,557 km (0.082 R)
• M7: 2,567,399 km (0.057 R)
• M8: 3,133,028 km (0.088 R)
• M9: 3,626,402 km (0.071 R)
• M10: 4,147,451 km (0.119 R)
• M11: 5,227,398 km (0.031 R)
• M12: 5,684,869 km (0.078 R)
• M13: 6,680,143 km (0.12 R)
• M14: 8,045,673 km (0.078 R)
• M15: 9,053,962 km (0.103 R)
• M16: 11,087,297 km (0.11 R)
• M17: 14,598,359 km (0.044 R)
• M18: 14,991,502 km (0.081 R)
• M19: 15,623,553 km (0.097 R)
• M20: 18,526,350 km (0.047 R)
• M21: 18,855,016 km (0.036 R)
• M22: 19,727,471 km (0.118 R)
• M23: 20,626,854 km (0.102 R)
• M24: 24,184,889 km (0.11 R)
• M25: 27,788,104 km (0.118 R)
• M26: 28,392,629 km (0.088 R)
• M27: 29,360,228 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.8

Radius: 6.7

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.11 AU - 8.93 AU

Year: 16867 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,811,663 km

• M1: 83,476 km (0.103 R)
• M2: 431,291 km (0.067 R)
• M3: 758,611 km (0.086 R)
• M4: 985,252 km (0.103 R)
• M5: 2,059,663 km (0.089 R)
• M6: 2,391,472 km (0.084 R)
• M7: 3,023,523 km (0.107 R)
• M8: 3,708,980 km (0.113 R)
• M9: 5,623,683 km (0.108 R)
• M10: 7,257,292 km (0.092 R)
• M11: 7,465,831 km (0.081 R)
• M12: 9,039,900 km (0.103 R)
• M13: 9,281,501 km (0.045 R)
• M14: 13,072,161 km (0.118 R)
• M15: 13,443,912 km (0.044 R)
• M16: 14,143,581 km (0.111 R)
• M17: 15,963,738 km (0.034 R)
• M18: 17,783,148 km (0.094 R)
• M19: 19,017,629 km (0.095 R)
• M20: 21,398,779 km (0.111 R)
• M21: 21,742,255 km (0.113 R)
• M22: 22,705,366 km (0.096 R)
• M23: 24,435,466 km (0.069 R)
• M24: 29,510,574 km (0.091 R)
• M25: 33,834,850 km (0.086 R)
• M26: 36,818,280 km (0.112 R)
• M27: 42,217,417 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit