🌌 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: 705.8

Radius: 14.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.59 AU - 0.69 AU

Year: 353 Days

Day: 7.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,017,701 km

• M1: 182,809 km (0.065 R)
• M2: 659,876 km (0.075 R)
• M3: 1,119,441 km (0.099 R)
• M4: 1,616,106 km (0.092 R)
• M5: 2,147,926 km (0.098 R)
• M6: 2,616,467 km (0.104 R)
• M7: 3,080,220 km (0.059 R)
• M8: 4,049,465 km (0.096 R)
• M9: 4,817,201 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 8.6

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.7 AU - 0.9 AU

Year: 494 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,017,701 km

• M1: 106,962 km (0.064 R)
• M2: 386,860 km (0.114 R)
• M3: 770,429 km (0.102 R)
• M4: 1,160,431 km (0.078 R)
• M5: 1,444,068 km (0.101 R)
• M6: 1,758,373 km (0.095 R)
• M7: 2,091,229 km (0.098 R)
• M8: 3,046,860 km (0.094 R)
• M9: 3,363,858 km (0.103 R)
• M10: 3,729,774 km (0.036 R)
• M11: 4,209,684 km (0.047 R)
• M12: 4,541,791 km (0.116 R)
• M13: 4,826,476 km (0.088 R)
• M14: 6,124,686 km (0.109 R)
• M15: 6,433,606 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 11.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.77 AU - 1.17 AU

Year: 659 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,017,701 km

• M1: 142,417 km (0.09 R)
• M2: 574,456 km (0.028 R)
• M3: 1,008,589 km (0.111 R)
• M4: 1,761,814 km (0.111 R)
• M5: 3,157,113 km (0.118 R)
• M6: 3,781,086 km (0.051 R)
• M7: 4,485,692 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 9.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.87 AU - 1.21 AU

Year: 732 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,017,701 km

• M1: 119,379 km (0.033 R)
• M2: 506,538 km (0.112 R)
• M3: 957,277 km (0.037 R)
• M4: 2,087,638 km (0.108 R)
• M5: 2,578,618 km (0.104 R)
• M6: 3,016,043 km (0.082 R)
• M7: 3,778,693 km (0.116 R)
• M8: 4,111,997 km (0.074 R)
• M9: 5,316,708 km (0.12 R)
• M10: 5,736,480 km (0.093 R)
• M11: 6,084,445 km (0.075 R)
• M12: 6,563,756 km (0.079 R)
• M13: 6,903,942 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 10.8

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,017,701 km

• M1: 134,339 km (0.103 R)
• M2: 483,800 km (0.077 R)
• M3: 1,127,818 km (0.094 R)
• M4: 1,513,182 km (0.038 R)
• M5: 1,938,489 km (0.064 R)
• M6: 2,582,807 km (0.104 R)
• M7: 3,034,443 km (0.111 R)
• M8: 3,597,978 km (0.112 R)
• M9: 4,081,778 km (0.117 R)
• M10: 5,180,275 km (0.063 R)
• M11: 7,425,590 km (0.111 R)
• M12: 7,978,503 km (0.073 R)
• M13: 9,054,112 km (0.062 R)
• M14: 9,773,977 km (0.106 R)
• M15: 10,315,521 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 10.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.12 AU - 1.76 AU

Year: 1193 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,017,701 km

• M1: 127,457 km (0.069 R)
• M2: 505,790 km (0.116 R)
• M3: 1,046,138 km (0.089 R)
• M4: 1,393,953 km (0.104 R)
• M5: 1,754,035 km (0.103 R)
• M6: 2,286,903 km (0.115 R)
• M7: 2,704,430 km (0.058 R)
• M8: 3,403,950 km (0.081 R)
• M9: 3,772,858 km (0.101 R)
• M10: 4,411,940 km (0.1 R)
• M11: 5,024,095 km (0.09 R)
• M12: 5,401,680 km (0.048 R)
• M13: 9,259,510 km (0.063 R)
• M14: 9,767,843 km (0.12 R)
• M15: 10,106,533 km (0.086 R)
• M16: 10,485,165 km (0.107 R)
• M17: 10,905,834 km (0.052 R)
• M18: 11,371,533 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 11.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.41 AU - 2.27 AU

Year: 1723 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,017,701 km

• M1: 141,071 km (0.112 R)
• M2: 762,201 km (0.095 R)
• M3: 1,464,114 km (0.072 R)
• M4: 1,841,699 km (0.083 R)
• M5: 2,465,523 km (0.091 R)
• M6: 3,102,809 km (0.105 R)
• M7: 3,467,679 km (0.032 R)
• M8: 3,875,333 km (0.039 R)
• M9: 4,269,523 km (0.054 R)
• M10: 4,804,336 km (0.106 R)
• M11: 5,260,310 km (0.066 R)
• M12: 6,660,396 km (0.077 R)
• M13: 7,425,290 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.7

Radius: 3.2

Gravity: 54.85 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.36 AU - 8.54 AU

Year: 15473 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,017,701 km

• M1: 39,943 km (0.065 R)
• M2: 197,469 km (0.105 R)
• M3: 350,358 km (0.085 R)
• M4: 534,214 km (0.11 R)
• M5: 889,808 km (0.116 R)
• M6: 1,517,820 km (0.099 R)
• M7: 2,460,137 km (0.118 R)
• M8: 3,102,510 km (0.083 R)
• M9: 5,802,004 km (0.075 R)
• M10: 6,148,472 km (0.105 R)
• M11: 7,582,069 km (0.073 R)
• M12: 7,764,279 km (0.067 R)
• M13: 8,868,461 km (0.069 R)
• M14: 9,856,256 km (0.112 R)
• M15: 11,501,683 km (0.09 R)
• M16: 14,059,357 km (0.077 R)
• M17: 15,910,482 km (0.108 R)
• M18: 18,898,699 km (0.109 R)
• M19: 25,241,948 km (0.08 R)
• M20: 26,058,154 km (0.117 R)
• M21: 30,633,455 km (0.086 R)
• M22: 33,595,942 km (0.051 R)
• M23: 37,659,319 km (0.095 R)
• M24: 53,270,455 km (0.082 R)
• M25: 55,459,970 km (0.107 R)
• M26: 57,184,534 km (0.11 R)
• M27: 57,708,875 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit