🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.66 AU - 0.86 AU

Year: 449 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,446,471 km

• M1: 99,483 km (0.12 R)
• M2: 363,672 km (0.115 R)
• M3: 729,738 km (0.098 R)
• M4: 1,003,652 km (0.034 R)
• M5: 1,275,023 km (0.116 R)
• M6: 1,574,966 km (0.107 R)
• M7: 1,867,430 km (0.11 R)
• M8: 2,135,809 km (0.074 R)
• M9: 3,456,459 km (0.098 R)
• M10: 3,838,681 km (0.081 R)
• M11: 4,303,931 km (0.12 R)
• M12: 4,865,970 km (0.037 R)
• M13: 5,219,919 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 9.5

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.41 AU - 1.59 AU

Year: 1246 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,446,471 km

• M1: 118,332 km (0.109 R)
• M2: 463,753 km (0.104 R)
• M3: 1,038,658 km (0.057 R)
• M4: 1,545,795 km (0.116 R)
• M5: 1,901,239 km (0.1 R)
• M6: 5,437,583 km (0.055 R)
• M7: 6,048,392 km (0.116 R)
• M8: 6,611,029 km (0.09 R)
• M9: 8,958,070 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 10.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.63 AU - 2.77 AU

Year: 3009 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,446,471 km

• M1: 129,402 km (0.091 R)
• M2: 588,817 km (0.109 R)
• M3: 949,049 km (0.116 R)
• M4: 2,465,822 km (0.11 R)
• M5: 3,786,771 km (0.062 R)
• M6: 5,108,169 km (0.099 R)
• M7: 6,051,533 km (0.09 R)
• M8: 7,754,555 km (0.06 R)
• M9: 8,281,289 km (0.072 R)
• M10: 9,862,688 km (0.119 R)
• M11: 12,661,964 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 13

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.72 AU - 4.14 AU

Year: 5284 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,446,471 km

• M1: 161,715 km (0.098 R)
• M2: 594,203 km (0.119 R)
• M3: 1,023,848 km (0.098 R)
• M4: 1,432,549 km (0.09 R)
• M5: 1,897,200 km (0.084 R)
• M6: 2,331,782 km (0.08 R)
• M7: 2,741,979 km (0.057 R)
• M8: 3,513,605 km (0.06 R)
• M9: 3,986,334 km (0.064 R)
• M10: 4,604,772 km (0.114 R)
• M11: 6,516,782 km (0.118 R)
• M12: 6,989,811 km (0.081 R)
• M13: 7,705,487 km (0.043 R)
• M14: 10,148,869 km (0.101 R)
• M15: 10,601,403 km (0.1 R)
• M16: 11,595,780 km (0.086 R)
• M17: 12,241,893 km (0.092 R)
• M18: 16,697,965 km (0.112 R)
• M19: 21,167,800 km (0.086 R)
• M20: 30,665,320 km (0.081 R)
• M21: 31,231,847 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 13

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.4 AU - 5.3 AU

Year: 6154 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,446,471 km

• M1: 161,715 km (0.072 R)
• M2: 576,401 km (0.099 R)
• M3: 1,377,198 km (0.095 R)
• M4: 1,803,552 km (0.111 R)
• M5: 2,971,911 km (0.1 R)
• M6: 6,914,414 km (0.106 R)
• M7: 8,310,012 km (0.12 R)
• M8: 9,325,782 km (0.063 R)
• M9: 12,049,959 km (0.097 R)
• M10: 18,209,053 km (0.076 R)
• M11: 20,560,283 km (0.105 R)
• M12: 21,436,477 km (0.093 R)
• M13: 22,413,651 km (0.028 R)
• M14: 26,535,820 km (0.082 R)
• M15: 27,225,167 km (0.086 R)
• M16: 32,783,177 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.8

Radius: 5.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.95 AU - 8.01 AU

Year: 11188 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,446,471 km

• M1: 67,319 km (0.118 R)
• M2: 250,128 km (0.111 R)
• M3: 1,713,344 km (0.119 R)
• M4: 2,091,977 km (0.028 R)
• M5: 2,436,949 km (0.066 R)
• M6: 3,368,046 km (0.075 R)
• M7: 3,961,352 km (0.087 R)
• M8: 4,359,581 km (0.113 R)
• M9: 5,777,320 km (0.107 R)
• M10: 12,439,661 km (0.103 R)
• M11: 13,620,737 km (0.11 R)
• M12: 15,772,403 km (0.072 R)
• M13: 17,413,192 km (0.119 R)
• M14: 23,328,741 km (0.037 R)
• M15: 23,968,870 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.9

Radius: 5.4

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.04 AU - 7.9 AU

Year: 13848 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,446,471 km

• M1: 67,169 km (0.105 R)
• M2: 348,563 km (0.115 R)
• M3: 731,683 km (0.113 R)
• M4: 1,002,007 km (0.109 R)
• M5: 1,387,071 km (0.112 R)
• M6: 1,773,932 km (0.116 R)
• M7: 2,109,031 km (0.089 R)
• M8: 3,989,476 km (0.05 R)
• M9: 4,367,061 km (0.077 R)
• M10: 5,610,668 km (0.047 R)
• M11: 6,658,452 km (0.093 R)
• M12: 7,150,778 km (0.068 R)
• M13: 7,871,840 km (0.111 R)
• M14: 10,177,442 km (0.106 R)
• M15: 12,782,689 km (0.108 R)
• M16: 14,207,459 km (0.096 R)
• M17: 17,865,427 km (0.075 R)
• M18: 18,962,278 km (0.08 R)
• M19: 19,641,602 km (0.093 R)
• M20: 23,626,889 km (0.113 R)
• M21: 24,061,471 km (0.11 R)
• M22: 24,236,800 km (0.107 R)
• M23: 25,670,546 km (0.092 R)
• M24: 28,607,451 km (0.061 R)
• M25: 30,719,474 km (0.107 R)
• M26: 32,933,223 km (0.1 R)
• M27: 34,134,195 km (0.071 R)
• M28: 35,025,798 km (0.118 R)
• M29: 38,030,621 km (0.029 R)
• M30: 38,268,631 km (0.118 R)
• M31: 39,352,019 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.3

Radius: 3.9

Gravity: 51.7 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.67 AU - 9.97 AU

Year: 16277 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,446,471 km

• M1: 48,470 km (0.074 R)
• M2: 247,136 km (0.108 R)
• M3: 555,158 km (0.115 R)
• M4: 1,145,920 km (0.074 R)
• M5: 2,452,807 km (0.105 R)
• M6: 2,680,943 km (0.082 R)
• M7: 3,127,194 km (0.104 R)
• M8: 3,649,889 km (0.06 R)
• M9: 3,947,439 km (0.116 R)
• M10: 4,624,519 km (0.06 R)
• M11: 4,761,850 km (0.088 R)
• M12: 5,008,537 km (0.058 R)
• M13: 5,643,430 km (0.108 R)
• M14: 6,122,742 km (0.076 R)
• M15: 8,465,594 km (0.077 R)
• M16: 12,041,133 km (0.053 R)
• M17: 13,942,073 km (0.092 R)
• M18: 15,723,185 km (0.116 R)
• M19: 16,668,195 km (0.11 R)
• M20: 19,195,052 km (0.118 R)
• M21: 21,202,506 km (0.096 R)
• M22: 21,486,593 km (0.119 R)
• M23: 27,491,750 km (0.088 R)
• M24: 29,443,105 km (0.097 R)
• M25: 29,678,572 km (0.096 R)
• M26: 31,854,623 km (0.086 R)
• M27: 32,477,399 km (0.086 R)
• M28: 33,618,830 km (0.094 R)
• M29: 33,876,139 km (0.085 R)
• M30: 35,181,978 km (0.088 R)
• M31: 39,016,471 km (0.114 R)
• M32: 39,300,707 km (0.108 R)
• M33: 42,367,463 km (0.025 R)
• M34: 53,736,154 km (0.077 R)
• M35: 54,973,777 km (0.089 R)
• M36: 55,152,097 km (0.085 R)
• M37: 59,925,167 km (0.042 R)
• M38: 67,385,314 km (0.059 R)
• M39: 69,238,532 km (0.026 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 15,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit