🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 8

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.28 AU - 1.32 AU

Year: 972 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,706,880 km

• M1: 99,483 km (0.078 R)
• M2: 391,049 km (0.062 R)
• M3: 706,102 km (0.058 R)
• M4: 1,127,220 km (0.077 R)
• M5: 1,632,412 km (0.06 R)
• M6: 1,970,653 km (0.116 R)
• M7: 2,344,498 km (0.108 R)
• M8: 2,623,498 km (0.108 R)
• M9: 3,013,051 km (0.091 R)
• M10: 3,289,208 km (0.063 R)
• M11: 3,611,293 km (0.081 R)
• M12: 3,908,394 km (0.096 R)
• M13: 4,157,624 km (0.07 R)
• M14: 4,602,678 km (0.087 R)
• M15: 5,472,141 km (0.102 R)
• M16: 5,745,306 km (0.112 R)
• M17: 6,818,372 km (0.103 R)
• M18: 7,367,097 km (0.096 R)
• M19: 7,895,776 km (0.035 R)
• M20: 8,219,954 km (0.094 R)
• M21: 8,894,790 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 11.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.05 AU - 1.63 AU

Year: 1018 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,706,880 km

• M1: 146,756 km (0.07 R)
• M2: 518,656 km (0.118 R)
• M3: 959,521 km (0.109 R)
• M4: 1,548,188 km (0.048 R)
• M5: 2,237,236 km (0.031 R)
• M6: 2,761,277 km (0.075 R)
• M7: 4,335,047 km (0.116 R)
• M8: 4,859,388 km (0.118 R)
• M9: 5,668,263 km (0.092 R)
• M10: 6,627,634 km (0.079 R)
• M11: 7,302,770 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 9.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.11 AU - 4.39 AU

Year: 4764 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,706,880 km

• M1: 120,576 km (0.104 R)
• M2: 630,256 km (0.106 R)
• M3: 992,731 km (0.095 R)
• M4: 1,339,499 km (0.11 R)
• M5: 1,793,978 km (0.112 R)
• M6: 2,317,570 km (0.102 R)
• M7: 2,633,371 km (0.093 R)
• M8: 3,311,947 km (0.098 R)
• M9: 4,079,384 km (0.086 R)
• M10: 5,461,070 km (0.109 R)
• M11: 6,274,434 km (0.059 R)
• M12: 6,927,429 km (0.045 R)
• M13: 7,880,068 km (0.116 R)
• M14: 10,000,468 km (0.068 R)
• M15: 10,845,546 km (0.11 R)
• M16: 12,984,796 km (0.061 R)
• M17: 13,990,243 km (0.084 R)
• M18: 15,046,703 km (0.115 R)
• M19: 16,036,293 km (0.094 R)
• M20: 18,931,162 km (0.08 R)
• M21: 19,467,919 km (0.096 R)
• M22: 20,925,301 km (0.115 R)
• M23: 21,354,797 km (0.087 R)
• M24: 21,863,130 km (0.103 R)
• M25: 25,651,248 km (0.11 R)
• M26: 26,893,060 km (0.036 R)
• M27: 27,571,486 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.2

Radius: 3.7

Gravity: 71.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.81 AU - 6.67 AU

Year: 10226 Days

Day: 22.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,706,880 km

• M1: 46,076 km (0.112 R)
• M2: 287,826 km (0.105 R)
• M3: 410,347 km (0.106 R)
• M4: 832,811 km (0.033 R)
• M5: 1,632,562 km (0.034 R)
• M6: 1,759,869 km (0.083 R)
• M7: 1,945,820 km (0.108 R)
• M8: 2,417,202 km (0.112 R)
• M9: 2,891,577 km (0.074 R)
• M10: 3,054,789 km (0.115 R)
• M11: 3,199,599 km (0.09 R)
• M12: 3,502,984 km (0.1 R)
• M13: 4,079,534 km (0.047 R)
• M14: 4,910,700 km (0.12 R)
• M15: 5,418,136 km (0.099 R)
• M16: 6,736,991 km (0.114 R)
• M17: 7,362,609 km (0.105 R)
• M18: 10,147,373 km (0.109 R)
• M19: 10,361,897 km (0.05 R)
• M20: 10,800,069 km (0.108 R)
• M21: 13,051,217 km (0.087 R)
• M22: 15,104,598 km (0.025 R)
• M23: 15,384,346 km (0.09 R)
• M24: 15,596,326 km (0.089 R)
• M25: 16,984,893 km (0.092 R)
• M26: 18,374,358 km (0.105 R)
• M27: 18,612,967 km (0.11 R)
• M28: 21,377,087 km (0.057 R)
• M29: 21,552,864 km (0.12 R)
• M30: 24,116,523 km (0.043 R)
• M31: 26,368,569 km (0.101 R)
• M32: 28,225,977 km (0.105 R)
• M33: 31,512,343 km (0.091 R)
• M34: 34,198,073 km (0.108 R)
• M35: 34,923,025 km (0.075 R)
• M36: 42,466,198 km (0.091 R)
• M37: 46,614,697 km (0.114 R)
• M38: 46,910,302 km (0.115 R)
• M39: 51,339,296 km (0.107 R)
• M40: 52,768,405 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.7

Radius: 6.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.92 AU - 12.22 AU

Year: 24162 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,706,880 km

• M1: 77,193 km (0.091 R)
• M2: 375,491 km (0.058 R)
• M3: 1,501,215 km (0.075 R)
• M4: 1,704,518 km (0.12 R)
• M5: 1,957,039 km (0.068 R)
• M6: 2,251,598 km (0.037 R)
• M7: 2,690,219 km (0.102 R)
• M8: 3,162,499 km (0.085 R)
• M9: 4,883,622 km (0.092 R)
• M10: 8,133,786 km (0.051 R)
• M11: 8,723,052 km (0.088 R)
• M12: 9,028,082 km (0.097 R)
• M13: 12,814,853 km (0.109 R)
• M14: 13,209,342 km (0.103 R)
• M15: 22,329,876 km (0.116 R)
• M16: 26,991,794 km (0.102 R)
• M17: 33,098,080 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit