🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 34.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 13.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.88 AU - 0.88 AU

Year: 542 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 29,314,869 km

• M1: 174,431 km (0.108 R)
• M2: 357,689 km (0.047 R)
• M3: 468,092 km (0.054 R)
• M4: 564,882 km (0.072 R)
• M5: 678,277 km (0.113 R)
• M6: 800,947 km (0.073 R)
• M7: 914,043 km (0.114 R)
• M8: 1,005,298 km (0.112 R)
• M9: 1,197,980 km (0.047 R)
• M10: 1,299,258 km (0.09 R)
• M11: 1,414,298 km (0.104 R)
• M12: 1,511,088 km (0.062 R)
• M13: 1,610,271 km (0.113 R)
• M14: 1,780,813 km (0.031 R)
• M15: 1,874,312 km (0.095 R)
• M16: 1,999,675 km (0.045 R)
• M17: 2,227,512 km (0.109 R)
• M18: 2,549,447 km (0.104 R)
• M19: 2,689,321 km (0.118 R)
• M20: 2,934,961 km (0.112 R)
• M21: 3,174,018 km (0.08 R)
• M22: 3,259,887 km (0.059 R)
• M23: 3,390,337 km (0.094 R)
• M24: 3,626,402 km (0.118 R)
• M25: 3,868,152 km (0.111 R)
• M26: 4,006,530 km (0.087 R)
• M27: 4,162,112 km (0.083 R)
• M28: 4,303,931 km (0.109 R)
• M29: 4,625,117 km (0.094 R)
• M30: 4,871,056 km (0.073 R)
• M31: 5,004,049 km (0.046 R)
• M32: 5,113,106 km (0.104 R)
• M33: 5,316,409 km (0.116 R)
• M34: 5,704,765 km (0.069 R)
• M35: 5,871,567 km (0.078 R)
• M36: 6,031,188 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 10.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.78 AU - 1.12 AU

Year: 607 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 29,314,869 km

• M1: 159,771 km (0.108 R)
• M2: 227,838 km (0.113 R)
• M3: 308,172 km (0.035 R)
• M4: 422,016 km (0.075 R)
• M5: 518,057 km (0.044 R)
• M6: 626,665 km (0.104 R)
• M7: 711,787 km (0.074 R)
• M8: 992,881 km (0.096 R)
• M9: 1,075,758 km (0.106 R)
• M10: 1,214,436 km (0.099 R)
• M11: 1,303,596 km (0.106 R)
• M12: 1,410,708 km (0.095 R)
• M13: 1,510,191 km (0.088 R)
• M14: 1,650,214 km (0.09 R)
• M15: 1,733,091 km (0.075 R)
• M16: 1,845,888 km (0.075 R)
• M17: 1,920,537 km (0.109 R)
• M18: 2,061,010 km (0.105 R)
• M19: 2,156,753 km (0.08 R)
• M20: 2,309,193 km (0.073 R)
• M21: 2,433,957 km (0.093 R)
• M22: 2,567,249 km (0.096 R)
• M23: 2,742,279 km (0.073 R)
• M24: 2,814,834 km (0.12 R)
• M25: 2,948,275 km (0.111 R)
• M26: 3,029,357 km (0.096 R)
• M27: 3,193,915 km (0.058 R)
• M28: 3,263,328 km (0.119 R)
• M29: 3,347,252 km (0.113 R)
• M30: 3,524,675 km (0.112 R)
• M31: 3,625,355 km (0.06 R)
• M32: 3,705,240 km (0.103 R)
• M33: 3,792,904 km (0.074 R)
• M34: 4,060,385 km (0.097 R)
• M35: 4,128,153 km (0.084 R)
• M36: 4,257,406 km (0.076 R)
• M37: 4,519,950 km (0.067 R)
• M38: 4,590,261 km (0.117 R)
• M39: 4,692,586 km (0.076 R)
• M40: 4,787,730 km (0.076 R)
• M41: 4,939,572 km (0.115 R)
• M42: 5,347,226 km (0.105 R)
• M43: 5,454,937 km (0.12 R)
• M44: 5,638,942 km (0.058 R)
• M45: 5,791,083 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.6

Radius: 12.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.84 AU - 1.38 AU

Year: 767 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 29,314,869 km

• M1: 153,338 km (0.117 R)
• M2: 243,396 km (0.091 R)
• M3: 336,745 km (0.11 R)
• M4: 419,772 km (0.088 R)
• M5: 512,373 km (0.115 R)
• M6: 613,650 km (0.112 R)
• M7: 727,195 km (0.115 R)
• M8: 857,645 km (0.096 R)
• M9: 982,409 km (0.114 R)
• M10: 1,079,049 km (0.063 R)
• M11: 1,164,021 km (0.088 R)
• M12: 1,416,692 km (0.108 R)
• M13: 1,505,104 km (0.108 R)
• M14: 1,618,200 km (0.077 R)
• M15: 1,757,925 km (0.064 R)
• M16: 2,043,507 km (0.114 R)
• M17: 2,246,810 km (0.068 R)
• M18: 2,350,931 km (0.039 R)
• M19: 2,430,068 km (0.115 R)
• M20: 2,516,984 km (0.062 R)
• M21: 2,598,066 km (0.078 R)
• M22: 2,707,721 km (0.113 R)
• M23: 2,910,277 km (0.084 R)
• M24: 3,024,271 km (0.115 R)
• M25: 3,183,592 km (0.067 R)
• M26: 3,330,797 km (0.116 R)
• M27: 3,518,093 km (0.099 R)
• M28: 3,678,013 km (0.085 R)
• M29: 3,786,173 km (0.093 R)
• M30: 3,934,574 km (0.08 R)
• M31: 4,221,054 km (0.049 R)
• M32: 4,547,476 km (0.094 R)
• M33: 4,638,731 km (0.113 R)
• M34: 4,755,716 km (0.118 R)
• M35: 5,129,861 km (0.107 R)
• M36: 5,216,328 km (0.044 R)
• M37: 5,745,007 km (0.117 R)
• M38: 5,825,790 km (0.108 R)
• M39: 6,161,936 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 8.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.95 AU - 1.29 AU

Year: 778 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 29,314,869 km

• M1: 109,506 km (0.111 R)
• M2: 179,966 km (0.109 R)
• M3: 304,282 km (0.098 R)
• M4: 386,112 km (0.094 R)
• M5: 455,526 km (0.082 R)
• M6: 548,276 km (0.104 R)
• M7: 618,737 km (0.052 R)
• M8: 682,615 km (0.059 R)
• M9: 754,123 km (0.088 R)
• M10: 961,914 km (0.034 R)
• M11: 1,025,643 km (0.102 R)
• M12: 1,102,686 km (0.059 R)
• M13: 1,175,839 km (0.119 R)
• M14: 1,263,204 km (0.108 R)
• M15: 1,372,261 km (0.085 R)
• M16: 1,464,713 km (0.107 R)
• M17: 1,690,606 km (0.077 R)
• M18: 1,847,683 km (0.106 R)
• M19: 1,928,017 km (0.112 R)
• M20: 1,987,109 km (0.12 R)
• M21: 2,153,013 km (0.101 R)
• M22: 2,253,393 km (0.099 R)
• M23: 2,307,996 km (0.071 R)
• M24: 2,402,691 km (0.098 R)
• M25: 2,531,046 km (0.114 R)
• M26: 2,661,645 km (0.039 R)
• M27: 2,744,523 km (0.12 R)
• M28: 2,989,564 km (0.082 R)
• M29: 3,049,852 km (0.103 R)
• M30: 3,241,786 km (0.108 R)
• M31: 3,303,719 km (0.069 R)
• M32: 3,464,836 km (0.115 R)
• M33: 3,637,771 km (0.118 R)
• M34: 3,702,099 km (0.102 R)
• M35: 3,925,897 km (0.084 R)
• M36: 4,144,609 km (0.075 R)
• M37: 4,221,652 km (0.111 R)
• M38: 4,416,279 km (0.116 R)
• M39: 4,554,208 km (0.049 R)
• M40: 4,713,829 km (0.087 R)
• M41: 4,784,140 km (0.113 R)
• M42: 5,506,997 km (0.085 R)
• M43: 5,838,057 km (0.052 R)
• M44: 5,913,604 km (0.111 R)
• M45: 5,967,908 km (0.079 R)
• M46: 6,164,629 km (0.05 R)
• M47: 6,285,803 km (0.12 R)
• M48: 6,352,225 km (0.095 R)
• M49: 6,485,965 km (0.064 R)
• M50: 6,564,355 km (0.095 R)
• M51: 6,676,852 km (0.097 R)
• M52: 6,869,684 km (0.066 R)
• M53: 7,006,865 km (0.066 R)
• M54: 7,214,357 km (0.109 R)
• M55: 7,283,920 km (0.086 R)
• M56: 7,342,263 km (0.114 R)
• M57: 7,505,924 km (0.077 R)
• M58: 7,706,534 km (0.101 R)
• M59: 7,849,101 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.8

Radius: 8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.51 AU - 8.09 AU

Year: 11632 Days

Day: 17.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 29,314,869 km

• M1: 182,061 km (0.098 R)
• M2: 333,154 km (0.115 R)
• M3: 583,581 km (0.102 R)
• M4: 748,139 km (0.109 R)
• M5: 888,312 km (0.076 R)
• M6: 1,194,539 km (0.099 R)
• M7: 1,762,861 km (0.112 R)
• M8: 2,461,932 km (0.076 R)
• M9: 3,491,614 km (0.068 R)
• M10: 3,642,409 km (0.091 R)
• M11: 4,221,054 km (0.099 R)
• M12: 4,662,068 km (0.088 R)
• M13: 4,996,419 km (0.111 R)
• M14: 5,166,512 km (0.117 R)
• M15: 5,437,733 km (0.105 R)
• M16: 7,994,959 km (0.114 R)
• M17: 8,977,518 km (0.101 R)
• M18: 9,184,561 km (0.089 R)
• M19: 9,876,003 km (0.102 R)
• M20: 10,212,598 km (0.102 R)
• M21: 10,366,833 km (0.056 R)
• M22: 13,205,154 km (0.104 R)
• M23: 13,950,001 km (0.099 R)
• M24: 14,743,319 km (0.092 R)
• M25: 15,409,777 km (0.086 R)
• M26: 15,586,752 km (0.109 R)
• M27: 16,121,714 km (0.097 R)
• M28: 16,808,069 km (0.09 R)
• M29: 18,584,244 km (0.078 R)
• M30: 19,227,515 km (0.07 R)
• M31: 19,609,289 km (0.112 R)
• M32: 20,535,749 km (0.11 R)
• M33: 21,043,484 km (0.103 R)
• M34: 21,122,023 km (0.063 R)
• M35: 21,200,561 km (0.042 R)
• M36: 21,279,250 km (0.047 R)
• M37: 22,792,732 km (0.085 R)
• M38: 24,258,342 km (0.117 R)
• M39: 24,794,949 km (0.089 R)
• M40: 25,460,959 km (0.093 R)
• M41: 27,023,359 km (0.117 R)
• M42: 27,794,536 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 17,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit