🌌 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: 306.5

Radius: 8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 13.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,492,371 km

• M1: 99,483 km (0.098 R)
• M2: 361,578 km (0.099 R)
• M3: 650,900 km (0.106 R)
• M4: 937,530 km (0.101 R)
• M5: 1,826,440 km (0.105 R)
• M6: 2,429,769 km (0.082 R)
• M7: 2,792,394 km (0.104 R)
• M8: 3,180,301 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 10.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.42 AU - 1.82 AU

Year: 1331 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,492,371 km

• M1: 131,796 km (0.091 R)
• M2: 462,108 km (0.098 R)
• M3: 1,032,674 km (0.119 R)
• M4: 1,373,009 km (0.072 R)
• M5: 1,986,061 km (0.118 R)
• M6: 3,657,967 km (0.1 R)
• M7: 4,283,885 km (0.103 R)
• M8: 4,759,606 km (0.046 R)
• M9: 5,638,344 km (0.111 R)
• M10: 8,334,995 km (0.104 R)
• M11: 9,170,649 km (0.09 R)
• M12: 10,460,033 km (0.065 R)
• M13: 11,289,553 km (0.098 R)
• M14: 11,866,552 km (0.029 R)
• M15: 13,079,641 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 10.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.73 AU - 2.07 AU

Year: 1691 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,492,371 km

• M1: 136,882 km (0.108 R)
• M2: 634,594 km (0.067 R)
• M3: 1,316,312 km (0.085 R)
• M4: 1,869,225 km (0.094 R)
• M5: 2,669,873 km (0.119 R)
• M6: 3,024,121 km (0.097 R)
• M7: 3,545,619 km (0.077 R)
• M8: 5,093,209 km (0.078 R)
• M9: 5,571,473 km (0.103 R)
• M10: 6,967,521 km (0.114 R)
• M11: 7,442,943 km (0.082 R)
• M12: 8,870,705 km (0.103 R)
• M13: 9,700,674 km (0.098 R)
• M14: 10,187,765 km (0.08 R)
• M15: 11,786,218 km (0.085 R)
• M16: 12,300,835 km (0.072 R)
• M17: 13,545,788 km (0.07 R)
• M18: 14,600,752 km (0.108 R)
• M19: 15,474,105 km (0.09 R)
• M20: 15,995,453 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 9.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.01 AU - 3.21 AU

Year: 3541 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,492,371 km

• M1: 124,316 km (0.05 R)
• M2: 616,194 km (0.111 R)
• M3: 1,184,067 km (0.118 R)
• M4: 2,339,262 km (0.111 R)
• M5: 3,144,248 km (0.058 R)
• M6: 6,459,337 km (0.057 R)
• M7: 9,120,833 km (0.028 R)
• M8: 10,563,405 km (0.106 R)
• M9: 12,604,817 km (0.03 R)
• M10: 13,718,274 km (0.118 R)
• M11: 14,756,932 km (0.11 R)
• M12: 17,143,168 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 10.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.75 AU - 5.61 AU

Year: 6537 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,492,371 km

• M1: 129,402 km (0.028 R)
• M2: 521,199 km (0.026 R)
• M3: 949,647 km (0.103 R)
• M4: 1,386,922 km (0.096 R)
• M5: 2,414,958 km (0.064 R)
• M6: 4,494,967 km (0.077 R)
• M7: 7,422,598 km (0.081 R)
• M8: 8,391,393 km (0.089 R)
• M9: 9,201,615 km (0.112 R)
• M10: 13,376,892 km (0.096 R)
• M11: 14,001,014 km (0.056 R)
• M12: 16,048,112 km (0.103 R)
• M13: 17,295,010 km (0.081 R)
• M14: 17,848,672 km (0.095 R)
• M15: 21,352,254 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.3

Radius: 6

Gravity: 24.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.96 AU - 12.18 AU

Year: 20633 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,492,371 km

• M1: 74,649 km (0.088 R)
• M2: 273,166 km (0.078 R)
• M3: 720,015 km (0.104 R)
• M4: 1,075,160 km (0.113 R)
• M5: 1,541,307 km (0.026 R)
• M6: 2,133,415 km (0.054 R)
• M7: 2,399,849 km (0.092 R)
• M8: 2,613,924 km (0.093 R)
• M9: 3,694,020 km (0.115 R)
• M10: 4,817,351 km (0.029 R)
• M11: 5,436,985 km (0.113 R)
• M12: 9,179,026 km (0.06 R)
• M13: 10,882,048 km (0.057 R)
• M14: 11,338,771 km (0.068 R)
• M15: 12,220,500 km (0.088 R)
• M16: 15,544,266 km (0.111 R)
• M17: 15,873,381 km (0.062 R)
• M18: 17,856,750 km (0.103 R)
• M19: 19,235,893 km (0.039 R)
• M20: 23,257,831 km (0.118 R)
• M21: 24,014,946 km (0.112 R)
• M22: 25,464,400 km (0.095 R)
• M23: 37,720,206 km (0.104 R)
• M24: 39,217,830 km (0.102 R)
• M25: 50,109,303 km (0.11 R)
• M26: 58,589,108 km (0.094 R)
• M27: 60,595,216 km (0.113 R)
• M28: 63,689,349 km (0.111 R)
• M29: 67,757,812 km (0.117 R)
• M30: 71,996,070 km (0.092 R)
• M31: 76,644,823 km (0.066 R)
• M32: 77,359,004 km (0.104 R)
• M33: 77,837,567 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit