🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 8.1

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.76 AU - 0.8 AU

Year: 438 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,476,366 km

• M1: 100,679 km (0.06 R)
• M2: 368,310 km (0.117 R)
• M3: 689,197 km (0.087 R)
• M4: 949,049 km (0.078 R)
• M5: 1,263,653 km (0.091 R)
• M6: 1,548,338 km (0.059 R)
• M7: 1,860,250 km (0.086 R)
• M8: 2,178,444 km (0.099 R)
• M9: 2,455,200 km (0.115 R)
• M10: 2,893,073 km (0.11 R)
• M11: 3,298,932 km (0.076 R)
• M12: 3,627,748 km (0.116 R)
• M13: 4,073,101 km (0.118 R)
• M14: 4,495,865 km (0.084 R)
• M15: 4,916,534 km (0.097 R)
• M16: 5,232,934 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 12.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.23 AU - 1.23 AU

Year: 867 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,476,366 km

• M1: 151,692 km (0.049 R)
• M2: 544,387 km (0.113 R)
• M3: 926,609 km (0.045 R)
• M4: 1,410,110 km (0.07 R)
• M5: 2,081,206 km (0.056 R)
• M6: 2,474,947 km (0.098 R)
• M7: 3,044,466 km (0.081 R)
• M8: 3,457,805 km (0.115 R)
• M9: 4,062,480 km (0.043 R)
• M10: 4,548,822 km (0.073 R)
• M11: 5,697,884 km (0.104 R)
• M12: 6,183,329 km (0.117 R)
• M13: 6,696,449 km (0.029 R)
• M14: 7,495,601 km (0.071 R)
• M15: 8,485,640 km (0.039 R)
• M16: 8,985,596 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1 AU - 1.62 AU

Year: 953 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,476,366 km

• M1: 112,049 km (0.052 R)
• M2: 393,742 km (0.06 R)
• M3: 936,931 km (0.074 R)
• M4: 1,763,011 km (0.104 R)
• M5: 2,114,267 km (0.075 R)
• M6: 2,772,198 km (0.075 R)
• M7: 3,828,658 km (0.078 R)
• M8: 4,490,778 km (0.03 R)
• M9: 5,535,420 km (0.088 R)
• M10: 7,575,935 km (0.058 R)
• M11: 8,885,814 km (0.077 R)
• M12: 9,410,454 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 10.3

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.14 AU - 3 AU

Year: 2620 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,476,366 km

• M1: 128,056 km (0.105 R)
• M2: 536,907 km (0.111 R)
• M3: 1,246,449 km (0.116 R)
• M4: 1,807,591 km (0.096 R)
• M5: 2,215,096 km (0.028 R)
• M6: 2,668,228 km (0.037 R)
• M7: 3,165,042 km (0.078 R)
• M8: 3,625,355 km (0.069 R)
• M9: 4,215,070 km (0.059 R)
• M10: 4,612,402 km (0.11 R)
• M11: 6,459,187 km (0.11 R)
• M12: 8,931,142 km (0.101 R)
• M13: 10,007,200 km (0.078 R)
• M14: 11,630,337 km (0.068 R)
• M15: 12,237,854 km (0.114 R)
• M16: 13,658,585 km (0.033 R)
• M17: 15,754,601 km (0.081 R)
• M18: 16,498,551 km (0.069 R)
• M19: 17,771,479 km (0.084 R)
• M20: 18,461,125 km (0.076 R)
• M21: 18,871,472 km (0.107 R)
• M22: 20,889,099 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 14.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.38 AU - 2.8 AU

Year: 2650 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,476,366 km

• M1: 181,612 km (0.025 R)
• M2: 658,380 km (0.112 R)
• M3: 1,258,716 km (0.091 R)
• M4: 2,068,041 km (0.11 R)
• M5: 2,637,710 km (0.076 R)
• M6: 4,330,559 km (0.091 R)
• M7: 8,624,916 km (0.029 R)
• M8: 9,188,451 km (0.097 R)
• M9: 11,274,444 km (0.117 R)
• M10: 12,605,865 km (0.097 R)
• M11: 17,787,187 km (0.082 R)
• M12: 18,644,383 km (0.051 R)
• M13: 20,195,413 km (0.076 R)
• M14: 21,382,323 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 10.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.39 AU - 3.11 AU

Year: 2900 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,476,366 km

• M1: 136,732 km (0.076 R)
• M2: 479,012 km (0.103 R)
• M3: 1,061,546 km (0.054 R)
• M4: 1,638,396 km (0.062 R)
• M5: 2,516,984 km (0.083 R)
• M6: 3,820,131 km (0.113 R)
• M7: 5,816,964 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 13.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.46 AU - 3.84 AU

Year: 3555 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,476,366 km

• M1: 162,912 km (0.115 R)
• M2: 715,676 km (0.108 R)
• M3: 1,126,771 km (0.078 R)
• M4: 1,691,653 km (0.12 R)
• M5: 2,568,895 km (0.05 R)
• M6: 3,425,941 km (0.069 R)
• M7: 4,120,075 km (0.039 R)
• M8: 5,059,550 km (0.089 R)
• M9: 7,361,861 km (0.053 R)
• M10: 7,804,521 km (0.07 R)
• M11: 8,410,392 km (0.098 R)
• M12: 9,047,380 km (0.098 R)
• M13: 11,153,568 km (0.063 R)
• M14: 12,776,556 km (0.069 R)
• M15: 14,551,834 km (0.089 R)
• M16: 15,637,316 km (0.112 R)
• M17: 17,969,397 km (0.115 R)
• M18: 19,154,811 km (0.065 R)
• M19: 19,734,203 km (0.1 R)
• M20: 23,532,493 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 8.1

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.7 AU - 7.06 AU

Year: 9066 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,476,366 km

• M1: 100,829 km (0.118 R)
• M2: 591,061 km (0.081 R)
• M3: 879,486 km (0.104 R)
• M4: 1,240,316 km (0.119 R)
• M5: 2,047,247 km (0.104 R)
• M6: 2,425,281 km (0.12 R)
• M7: 2,973,258 km (0.048 R)
• M8: 5,654,052 km (0.102 R)
• M9: 6,191,108 km (0.063 R)
• M10: 7,484,381 km (0.049 R)
• M11: 9,866,578 km (0.057 R)
• M12: 10,644,936 km (0.112 R)
• M13: 12,433,827 km (0.12 R)
• M14: 15,098,016 km (0.119 R)
• M15: 16,462,647 km (0.055 R)
• M16: 17,766,393 km (0.035 R)
• M17: 29,763,693 km (0.109 R)
• M18: 39,282,007 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 11,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit