🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 12.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.77 AU - 0.83 AU

Year: 503 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,166,394 km

• M1: 155,432 km (0.048 R)
• M2: 656,136 km (0.109 R)
• M3: 1,045,390 km (0.049 R)
• M4: 1,449,753 km (0.034 R)
• M5: 1,873,863 km (0.11 R)
• M6: 2,610,184 km (0.102 R)
• M7: 3,071,693 km (0.065 R)
• M8: 3,831,501 km (0.104 R)
• M9: 4,405,059 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 10.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.89 AU - 1.39 AU

Year: 856 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,166,394 km

• M1: 127,158 km (0.11 R)
• M2: 665,711 km (0.113 R)
• M3: 1,149,211 km (0.084 R)
• M4: 1,500,766 km (0.075 R)
• M5: 2,257,282 km (0.111 R)
• M6: 3,132,579 km (0.07 R)
• M7: 3,470,222 km (0.12 R)
• M8: 4,248,280 km (0.103 R)
• M9: 5,073,313 km (0.107 R)
• M10: 5,404,821 km (0.078 R)
• M11: 5,750,841 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 9.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.28 AU - 2.42 AU

Year: 2532 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,166,394 km

• M1: 116,986 km (0.089 R)
• M2: 421,567 km (0.096 R)
• M3: 1,023,698 km (0.045 R)
• M4: 1,603,689 km (0.106 R)
• M5: 2,861,807 km (0.075 R)
• M6: 4,188,740 km (0.071 R)
• M7: 5,214,832 km (0.066 R)
• M8: 5,961,475 km (0.108 R)
• M9: 6,777,831 km (0.096 R)
• M10: 7,459,548 km (0.101 R)
• M11: 9,570,524 km (0.106 R)
• M12: 11,810,004 km (0.113 R)
• M13: 12,378,925 km (0.064 R)
• M14: 13,180,171 km (0.113 R)
• M15: 14,607,334 km (0.116 R)
• M16: 15,501,930 km (0.112 R)
• M17: 17,244,895 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 11.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.48 AU - 3.56 AU

Year: 4642 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,166,394 km

• M1: 146,905 km (0.092 R)
• M2: 823,985 km (0.115 R)
• M3: 1,273,227 km (0.086 R)
• M4: 1,662,332 km (0.119 R)
• M5: 2,102,149 km (0.115 R)
• M6: 2,966,376 km (0.065 R)
• M7: 3,621,166 km (0.032 R)
• M8: 4,125,460 km (0.12 R)
• M9: 4,781,746 km (0.106 R)
• M10: 6,629,280 km (0.111 R)
• M11: 8,952,984 km (0.088 R)
• M12: 9,620,489 km (0.079 R)
• M13: 10,637,755 km (0.081 R)
• M14: 12,678,868 km (0.085 R)
• M15: 14,232,442 km (0.075 R)
• M16: 16,640,669 km (0.113 R)
• M17: 21,654,142 km (0.108 R)
• M18: 23,788,156 km (0.096 R)
• M19: 24,825,168 km (0.066 R)
• M20: 27,679,645 km (0.057 R)
• M21: 32,072,287 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 12

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.91 AU - 5.85 AU

Year: 7578 Days

Day: 6.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,166,394 km

• M1: 149,299 km (0.088 R)
• M2: 552,016 km (0.117 R)
• M3: 967,300 km (0.085 R)
• M4: 1,538,614 km (0.1 R)
• M5: 2,123,691 km (0.114 R)
• M6: 2,599,113 km (0.062 R)
• M7: 3,631,788 km (0.097 R)
• M8: 4,023,584 km (0.096 R)
• M9: 6,135,158 km (0.064 R)
• M10: 6,626,438 km (0.07 R)
• M11: 7,250,710 km (0.106 R)
• M12: 8,028,020 km (0.082 R)
• M13: 9,192,041 km (0.063 R)
• M14: 10,328,387 km (0.081 R)
• M15: 13,198,123 km (0.065 R)
• M16: 14,527,898 km (0.075 R)
• M17: 14,932,111 km (0.079 R)
• M18: 20,315,840 km (0.074 R)
• M19: 22,161,578 km (0.118 R)
• M20: 25,177,322 km (0.119 R)
• M21: 27,043,106 km (0.079 R)
• M22: 27,655,560 km (0.104 R)
• M23: 28,727,130 km (0.1 R)
• M24: 29,364,865 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.6

Radius: 5.9

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.75 AU - 9.37 AU

Year: 14611 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,166,394 km

• M1: 73,453 km (0.106 R)
• M2: 447,896 km (0.083 R)
• M3: 793,467 km (0.115 R)
• M4: 1,424,321 km (0.086 R)
• M5: 1,640,341 km (0.092 R)
• M6: 2,565,155 km (0.09 R)
• M7: 4,948,099 km (0.095 R)
• M8: 5,798,563 km (0.095 R)
• M9: 6,822,261 km (0.114 R)
• M10: 7,065,208 km (0.12 R)
• M11: 7,785,073 km (0.088 R)
• M12: 8,930,843 km (0.118 R)
• M13: 9,925,220 km (0.062 R)
• M14: 11,897,519 km (0.107 R)
• M15: 12,309,212 km (0.08 R)
• M16: 12,852,551 km (0.102 R)
• M17: 13,793,372 km (0.063 R)
• M18: 17,941,273 km (0.119 R)
• M19: 20,089,648 km (0.117 R)
• M20: 24,415,868 km (0.095 R)
• M21: 25,272,615 km (0.091 R)
• M22: 30,183,614 km (0.119 R)
• M23: 30,619,543 km (0.092 R)
• M24: 30,839,003 km (0.071 R)
• M25: 32,976,756 km (0.044 R)
• M26: 34,140,777 km (0.052 R)
• M27: 34,495,175 km (0.116 R)
• M28: 38,175,881 km (0.072 R)
• M29: 44,736,645 km (0.11 R)
• M30: 49,857,230 km (0.078 R)
• M31: 51,080,043 km (0.047 R)
• M32: 52,166,423 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 18,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit