🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 13.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.69 AU - 1.03 AU

Year: 541 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,105,513 km

• M1: 166,802 km (0.063 R)
• M2: 708,196 km (0.053 R)
• M3: 1,142,030 km (0.093 R)
• M4: 1,805,048 km (0.093 R)
• M5: 2,239,779 km (0.103 R)
• M6: 3,641,960 km (0.115 R)
• M7: 4,106,761 km (0.085 R)
• M8: 4,625,417 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 9.3

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.93 AU - 1.53 AU

Year: 925 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,105,513 km

• M1: 115,789 km (0.111 R)
• M2: 414,536 km (0.09 R)
• M3: 844,779 km (0.103 R)
• M4: 1,708,707 km (0.114 R)
• M5: 2,055,624 km (0.099 R)
• M6: 2,371,425 km (0.039 R)
• M7: 2,683,337 km (0.109 R)
• M8: 3,334,537 km (0.101 R)
• M9: 3,697,760 km (0.109 R)
• M10: 3,991,421 km (0.103 R)
• M11: 4,300,640 km (0.081 R)
• M12: 4,912,644 km (0.103 R)
• M13: 5,443,119 km (0.097 R)
• M14: 6,596,069 km (0.079 R)
• M15: 7,218,247 km (0.111 R)
• M16: 7,679,307 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 8.5

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.29 AU - 5.01 AU

Year: 6801 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,105,513 km

• M1: 105,766 km (0.095 R)
• M2: 379,979 km (0.103 R)
• M3: 883,525 km (0.116 R)
• M4: 1,611,767 km (0.07 R)
• M5: 2,135,809 km (0.111 R)
• M6: 2,985,973 km (0.104 R)
• M7: 3,753,859 km (0.113 R)
• M8: 4,248,580 km (0.067 R)
• M9: 4,702,459 km (0.11 R)
• M10: 7,626,948 km (0.119 R)
• M11: 8,711,234 km (0.082 R)
• M12: 9,312,467 km (0.104 R)
• M13: 10,597,513 km (0.104 R)
• M14: 12,153,780 km (0.092 R)
• M15: 14,262,511 km (0.095 R)
• M16: 14,795,529 km (0.111 R)
• M17: 15,901,506 km (0.034 R)
• M18: 18,976,639 km (0.116 R)
• M19: 19,766,965 km (0.114 R)
• M20: 20,207,082 km (0.084 R)
• M21: 21,183,208 km (0.119 R)
• M22: 24,890,094 km (0.112 R)
• M23: 25,576,150 km (0.118 R)
• M24: 26,098,994 km (0.102 R)
• M25: 27,801,418 km (0.102 R)
• M26: 29,196,717 km (0.059 R)
• M27: 31,925,382 km (0.085 R)
• M28: 34,501,458 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 12.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.28 AU - 5.22 AU

Year: 7022 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,105,513 km

• M1: 160,219 km (0.11 R)
• M2: 579,991 km (0.114 R)
• M3: 1,140,833 km (0.101 R)
• M4: 1,750,594 km (0.12 R)
• M5: 2,452,358 km (0.094 R)
• M6: 2,974,155 km (0.08 R)
• M7: 3,885,057 km (0.087 R)
• M8: 4,495,416 km (0.114 R)
• M9: 4,973,830 km (0.074 R)
• M10: 6,002,315 km (0.102 R)
• M11: 6,957,947 km (0.109 R)
• M12: 7,490,665 km (0.115 R)
• M13: 11,967,381 km (0.085 R)
• M14: 12,474,817 km (0.082 R)
• M15: 14,028,092 km (0.07 R)
• M16: 16,877,183 km (0.117 R)
• M17: 17,775,967 km (0.096 R)
• M18: 20,955,221 km (0.074 R)
• M19: 21,618,837 km (0.097 R)
• M20: 23,536,083 km (0.101 R)
• M21: 25,815,207 km (0.103 R)
• M22: 27,971,361 km (0.12 R)
• M23: 32,639,263 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 3.4

Gravity: 36.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.77 AU - 7.41 AU

Year: 11474 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,105,513 km

• M1: 43,234 km (0.111 R)
• M2: 356,941 km (0.083 R)
• M3: 555,457 km (0.109 R)
• M4: 898,036 km (0.09 R)
• M5: 1,998,029 km (0.117 R)
• M6: 2,258,030 km (0.114 R)
• M7: 2,761,577 km (0.059 R)
• M8: 3,676,816 km (0.119 R)
• M9: 4,148,050 km (0.083 R)
• M10: 4,599,686 km (0.081 R)
• M11: 4,807,178 km (0.088 R)
• M12: 5,533,476 km (0.106 R)
• M13: 6,257,829 km (0.055 R)
• M14: 6,402,639 km (0.078 R)
• M15: 6,698,993 km (0.086 R)
• M16: 7,439,353 km (0.101 R)
• M17: 8,583,178 km (0.079 R)
• M18: 9,173,491 km (0.094 R)
• M19: 9,360,488 km (0.07 R)
• M20: 9,985,807 km (0.108 R)
• M21: 14,022,108 km (0.099 R)
• M22: 14,207,908 km (0.071 R)
• M23: 16,157,767 km (0.069 R)
• M24: 16,845,319 km (0.062 R)
• M25: 17,840,444 km (0.049 R)
• M26: 19,636,516 km (0.108 R)
• M27: 20,498,499 km (0.083 R)
• M28: 21,141,021 km (0.111 R)
• M29: 22,381,936 km (0.101 R)
• M30: 22,977,186 km (0.056 R)
• M31: 28,618,521 km (0.117 R)
• M32: 29,118,178 km (0.099 R)
• M33: 34,889,365 km (0.111 R)
• M34: 36,735,253 km (0.115 R)
• M35: 39,871,722 km (0.106 R)
• M36: 42,016,357 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.2

Radius: 5.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.79 AU - 7.83 AU

Year: 12053 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,105,513 km

• M1: 74,051 km (0.107 R)
• M2: 315,951 km (0.117 R)
• M3: 864,975 km (0.114 R)
• M4: 1,109,418 km (0.041 R)
• M5: 1,632,113 km (0.111 R)
• M6: 2,740,783 km (0.119 R)
• M7: 2,988,068 km (0.062 R)
• M8: 4,797,155 km (0.08 R)
• M9: 5,156,938 km (0.107 R)
• M10: 5,504,753 km (0.09 R)
• M11: 5,684,420 km (0.079 R)
• M12: 6,642,445 km (0.087 R)
• M13: 8,470,979 km (0.086 R)
• M14: 8,670,393 km (0.089 R)
• M15: 9,037,507 km (0.086 R)
• M16: 10,564,153 km (0.077 R)
• M17: 10,888,930 km (0.092 R)
• M18: 13,297,755 km (0.071 R)
• M19: 16,345,512 km (0.099 R)
• M20: 18,595,015 km (0.052 R)
• M21: 21,630,805 km (0.056 R)
• M22: 23,149,074 km (0.08 R)
• M23: 24,655,973 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.4

Radius: 7.6

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.88 AU - 9.46 AU

Year: 15839 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,105,513 km

• M1: 94,546 km (0.108 R)
• M2: 341,083 km (0.096 R)
• M3: 818,899 km (0.084 R)
• M4: 1,340,846 km (0.092 R)
• M5: 2,236,638 km (0.037 R)
• M6: 2,778,631 km (0.107 R)
• M7: 3,697,012 km (0.115 R)
• M8: 4,122,020 km (0.111 R)
• M9: 4,423,160 km (0.071 R)
• M10: 4,869,560 km (0.104 R)
• M11: 7,045,611 km (0.065 R)
• M12: 7,926,294 km (0.12 R)
• M13: 8,345,766 km (0.039 R)
• M14: 8,928,001 km (0.112 R)
• M15: 9,331,018 km (0.106 R)
• M16: 9,746,152 km (0.092 R)
• M17: 14,393,709 km (0.092 R)
• M18: 16,696,768 km (0.058 R)
• M19: 18,415,647 km (0.064 R)
• M20: 19,822,167 km (0.104 R)
• M21: 21,656,985 km (0.119 R)
• M22: 28,371,535 km (0.108 R)
• M23: 30,809,831 km (0.119 R)
• M24: 31,152,859 km (0.115 R)
• M25: 31,730,157 km (0.077 R)
• M26: 33,264,433 km (0.092 R)
• M27: 37,901,069 km (0.08 R)
• M28: 40,168,973 km (0.062 R)
• M29: 41,128,494 km (0.115 R)
• M30: 43,236,029 km (0.086 R)
• M31: 43,809,886 km (0.057 R)
• M32: 55,196,977 km (0.102 R)
• M33: 56,553,231 km (0.114 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: 211 - 16,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit