🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 9.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.91 AU - 1.31 AU

Year: 767 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,971,571 km

• M1: 114,592 km (0.103 R)
• M2: 496,515 km (0.097 R)
• M3: 1,108,221 km (0.087 R)
• M4: 1,503,758 km (0.098 R)
• M5: 2,565,454 km (0.111 R)
• M6: 3,287,712 km (0.104 R)
• M7: 3,749,521 km (0.088 R)
• M8: 4,101,824 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 12.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.85 AU - 1.39 AU

Year: 778 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,971,571 km

• M1: 151,393 km (0.083 R)
• M2: 597,643 km (0.055 R)
• M3: 1,795,025 km (0.062 R)
• M4: 2,559,919 km (0.11 R)
• M5: 2,946,779 km (0.119 R)
• M6: 3,446,137 km (0.12 R)
• M7: 3,863,066 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 8.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1 AU - 1.64 AU

Year: 995 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,971,571 km

• M1: 102,026 km (0.104 R)
• M2: 1,315,414 km (0.09 R)
• M3: 1,691,204 km (0.113 R)
• M4: 2,034,980 km (0.055 R)
• M5: 2,425,131 km (0.104 R)
• M6: 2,772,497 km (0.093 R)
• M7: 3,447,483 km (0.087 R)
• M8: 4,137,279 km (0.107 R)
• M9: 5,207,651 km (0.119 R)
• M10: 5,602,440 km (0.118 R)
• M11: 5,959,530 km (0.119 R)
• M12: 6,472,501 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.7

Radius: 9.1

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.37 AU - 1.81 AU

Year: 1315 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,971,571 km

• M1: 113,246 km (0.073 R)
• M2: 490,980 km (0.081 R)
• M3: 956,529 km (0.087 R)
• M4: 1,240,914 km (0.077 R)
• M5: 1,556,416 km (0.101 R)
• M6: 1,855,462 km (0.09 R)
• M7: 2,307,098 km (0.09 R)
• M8: 3,295,940 km (0.042 R)
• M9: 3,778,842 km (0.079 R)
• M10: 4,416,279 km (0.106 R)
• M11: 5,327,330 km (0.117 R)
• M12: 6,312,133 km (0.104 R)
• M13: 7,033,194 km (0.115 R)
• M14: 7,942,749 km (0.074 R)
• M15: 8,244,189 km (0.107 R)
• M16: 8,553,258 km (0.079 R)
• M17: 10,442,829 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 11.4

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.52 AU - 2.28 AU

Year: 1718 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,971,571 km

• M1: 141,819 km (0.112 R)
• M2: 665,262 km (0.042 R)
• M3: 1,251,985 km (0.119 R)
• M4: 1,764,806 km (0.064 R)
• M5: 2,454,452 km (0.064 R)
• M6: 3,702,547 km (0.1 R)
• M7: 4,348,960 km (0.12 R)
• M8: 5,424,419 km (0.066 R)
• M9: 6,012,638 km (0.12 R)
• M10: 6,747,762 km (0.04 R)
• M11: 8,520,048 km (0.118 R)
• M12: 9,782,953 km (0.118 R)
• M13: 11,809,106 km (0.098 R)
• M14: 13,085,326 km (0.068 R)
• M15: 13,671,600 km (0.088 R)
• M16: 15,490,112 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 9.7

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.36 AU - 4.42 AU

Year: 5033 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,971,571 km

• M1: 166,802 km (0.104 R)
• M2: 654,939 km (0.078 R)
• M3: 1,088,773 km (0.094 R)
• M4: 1,532,331 km (0.086 R)
• M5: 1,916,648 km (0.112 R)
• M6: 2,299,319 km (0.041 R)
• M7: 2,788,355 km (0.114 R)
• M8: 3,975,264 km (0.044 R)
• M9: 5,865,583 km (0.106 R)
• M10: 9,187,104 km (0.071 R)
• M11: 11,028,355 km (0.077 R)
• M12: 11,561,522 km (0.11 R)
• M13: 12,213,619 km (0.059 R)
• M14: 13,701,519 km (0.053 R)
• M15: 14,546,598 km (0.114 R)
• M16: 15,787,512 km (0.111 R)
• M17: 16,402,659 km (0.096 R)
• M18: 17,680,823 km (0.12 R)
• M19: 21,837,250 km (0.053 R)
• M20: 22,833,572 km (0.117 R)
• M21: 23,461,584 km (0.119 R)
• M22: 32,312,542 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 9.8

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.67 AU - 4.85 AU

Year: 5768 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,971,571 km

• M1: 121,922 km (0.103 R)
• M2: 591,959 km (0.082 R)
• M3: 978,220 km (0.068 R)
• M4: 1,388,567 km (0.106 R)
• M5: 1,701,825 km (0.026 R)
• M6: 2,078,363 km (0.046 R)
• M7: 2,636,812 km (0.038 R)
• M8: 3,144,996 km (0.109 R)
• M9: 3,930,983 km (0.115 R)
• M10: 4,254,563 km (0.109 R)
• M11: 6,620,753 km (0.1 R)
• M12: 7,411,378 km (0.072 R)
• M13: 9,440,972 km (0.068 R)
• M14: 10,631,322 km (0.078 R)
• M15: 11,163,891 km (0.082 R)
• M16: 13,087,121 km (0.083 R)
• M17: 15,898,364 km (0.09 R)
• M18: 16,212,669 km (0.12 R)
• M19: 18,049,881 km (0.117 R)
• M20: 21,978,022 km (0.085 R)
• M21: 24,223,486 km (0.055 R)
• M22: 24,807,964 km (0.057 R)
• M23: 25,487,288 km (0.071 R)
• M24: 27,600,059 km (0.11 R)
• M25: 31,573,977 km (0.107 R)
• M26: 32,775,846 km (0.1 R)
• M27: 33,697,070 km (0.043 R)
• M28: 34,425,462 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 10.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.9 AU - 6.18 AU

Year: 8554 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,971,571 km

• M1: 133,591 km (0.102 R)
• M2: 467,045 km (0.12 R)
• M3: 1,013,974 km (0.108 R)
• M4: 1,450,501 km (0.108 R)
• M5: 3,968,981 km (0.071 R)
• M6: 4,596,843 km (0.108 R)
• M7: 5,289,482 km (0.082 R)
• M8: 7,667,040 km (0.077 R)
• M9: 10,180,883 km (0.069 R)
• M10: 10,529,596 km (0.093 R)
• M11: 10,886,387 km (0.101 R)
• M12: 11,678,059 km (0.06 R)
• M13: 14,161,084 km (0.095 R)
• M14: 15,756,396 km (0.102 R)
• M15: 16,700,358 km (0.118 R)
• M16: 25,108,357 km (0.076 R)
• M17: 27,532,890 km (0.11 R)
• M18: 32,304,463 km (0.1 R)
• M19: 40,515,591 km (0.083 R)
• M20: 41,519,842 km (0.084 R)
• M21: 42,412,193 km (0.048 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: 488 - 13,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit