🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 12.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,904,518 km

• M1: 161,566 km (0.044 R)
• M2: 571,314 km (0.114 R)
• M3: 1,002,904 km (0.104 R)
• M4: 1,931,458 km (0.077 R)
• M5: 2,491,852 km (0.107 R)
• M6: 3,579,877 km (0.109 R)
• M7: 4,260,398 km (0.063 R)
• M8: 4,745,544 km (0.096 R)
• M9: 5,218,572 km (0.057 R)
• M10: 5,705,663 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 8.9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.73 AU - 1.15 AU

Year: 629 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,904,518 km

• M1: 111,002 km (0.083 R)
• M2: 392,545 km (0.066 R)
• M3: 990,188 km (0.053 R)
• M4: 1,286,841 km (0.102 R)
• M5: 1,587,533 km (0.108 R)
• M6: 2,065,797 km (0.073 R)
• M7: 2,386,684 km (0.095 R)
• M8: 3,258,840 km (0.035 R)
• M9: 4,004,137 km (0.083 R)
• M10: 4,655,336 km (0.092 R)
• M11: 5,068,376 km (0.069 R)
• M12: 5,468,101 km (0.057 R)
• M13: 6,434,653 km (0.093 R)
• M14: 6,903,942 km (0.09 R)
• M15: 7,650,585 km (0.116 R)
• M16: 8,031,461 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 11.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.94 AU - 1.56 AU

Year: 965 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,904,518 km

• M1: 139,276 km (0.074 R)
• M2: 883,824 km (0.045 R)
• M3: 1,237,174 km (0.076 R)
• M4: 1,629,719 km (0.12 R)
• M5: 2,052,932 km (0.095 R)
• M6: 2,437,249 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 13.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.19 AU - 1.43 AU

Year: 1035 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,904,518 km

• M1: 167,849 km (0.118 R)
• M2: 709,991 km (0.097 R)
• M3: 1,500,766 km (0.065 R)
• M4: 2,074,773 km (0.098 R)
• M5: 2,793,740 km (0.115 R)
• M6: 3,250,463 km (0.102 R)
• M7: 4,965,901 km (0.036 R)
• M8: 5,679,184 km (0.094 R)
• M9: 6,100,003 km (0.06 R)
• M10: 7,200,594 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 14.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.21 AU - 3.15 AU

Year: 3028 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,904,518 km

• M1: 192,383 km (0.109 R)
• M2: 844,480 km (0.064 R)
• M3: 1,402,779 km (0.046 R)
• M4: 2,017,477 km (0.084 R)
• M5: 2,840,564 km (0.062 R)
• M6: 3,589,003 km (0.095 R)
• M7: 4,611,803 km (0.081 R)
• M8: 5,203,762 km (0.088 R)
• M9: 7,348,846 km (0.098 R)
• M10: 8,035,799 km (0.067 R)
• M11: 8,570,911 km (0.049 R)
• M12: 9,608,222 km (0.104 R)
• M13: 10,284,405 km (0.103 R)
• M14: 11,261,129 km (0.07 R)
• M15: 12,756,659 km (0.093 R)
• M16: 13,929,058 km (0.078 R)
• M17: 14,749,901 km (0.113 R)
• M18: 15,219,639 km (0.098 R)
• M19: 17,458,969 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.1

Radius: 14.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.28 AU - 3.96 AU

Year: 4754 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,904,518 km

• M1: 184,005 km (0.106 R)
• M2: 721,361 km (0.119 R)
• M3: 1,530,985 km (0.089 R)
• M4: 2,671,519 km (0.048 R)
• M5: 3,332,592 km (0.112 R)
• M6: 3,972,571 km (0.118 R)
• M7: 7,200,295 km (0.109 R)
• M8: 8,136,030 km (0.056 R)
• M9: 9,341,639 km (0.109 R)
• M10: 10,007,499 km (0.094 R)
• M11: 11,303,615 km (0.117 R)
• M12: 12,709,087 km (0.115 R)
• M13: 14,126,677 km (0.08 R)
• M14: 15,920,205 km (0.11 R)
• M15: 16,986,389 km (0.032 R)
• M16: 17,683,964 km (0.087 R)
• M17: 18,766,155 km (0.102 R)
• M18: 20,798,592 km (0.113 R)
• M19: 23,540,721 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 10.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.95 AU - 5.93 AU

Year: 7579 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,904,518 km

• M1: 130,150 km (0.099 R)
• M2: 563,685 km (0.04 R)
• M3: 1,023,100 km (0.096 R)
• M4: 1,470,846 km (0.104 R)
• M5: 2,631,726 km (0.084 R)
• M6: 3,775,401 km (0.097 R)
• M7: 4,542,988 km (0.108 R)
• M8: 4,949,296 km (0.077 R)
• M9: 5,539,609 km (0.066 R)
• M10: 8,553,258 km (0.034 R)
• M11: 8,994,273 km (0.081 R)
• M12: 10,212,149 km (0.073 R)
• M13: 11,536,838 km (0.107 R)
• M14: 12,075,690 km (0.071 R)
• M15: 13,087,869 km (0.102 R)
• M16: 19,236,491 km (0.117 R)
• M17: 26,421,677 km (0.104 R)
• M18: 29,596,592 km (0.091 R)
• M19: 32,376,719 km (0.052 R)
• M20: 33,449,037 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 5.1

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.42 AU - 9.34 AU

Year: 16745 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,904,518 km

• M1: 64,925 km (0.034 R)
• M2: 327,769 km (0.09 R)
• M3: 570,417 km (0.087 R)
• M4: 1,050,626 km (0.059 R)
• M5: 1,234,482 km (0.118 R)
• M6: 1,732,942 km (0.098 R)
• M7: 2,158,847 km (0.076 R)
• M8: 3,117,021 km (0.108 R)
• M9: 3,395,124 km (0.085 R)
• M10: 4,178,418 km (0.095 R)
• M11: 4,548,523 km (0.092 R)
• M12: 8,626,711 km (0.114 R)
• M13: 9,380,385 km (0.046 R)
• M14: 11,663,248 km (0.093 R)
• M15: 14,019,116 km (0.065 R)
• M16: 14,291,384 km (0.052 R)
• M17: 16,222,692 km (0.07 R)
• M18: 17,134,192 km (0.103 R)
• M19: 19,142,244 km (0.116 R)
• M20: 20,681,457 km (0.087 R)
• M21: 23,047,796 km (0.118 R)
• M22: 24,296,041 km (0.036 R)
• M23: 24,590,300 km (0.051 R)
• M24: 24,886,952 km (0.074 R)
• M25: 28,854,587 km (0.12 R)
• M26: 30,530,233 km (0.091 R)
• M27: 33,223,892 km (0.108 R)
• M28: 35,188,411 km (0.111 R)
• M29: 35,439,436 km (0.066 R)
• M30: 35,691,509 km (0.098 R)
• M31: 36,711,766 km (0.072 R)
• M32: 39,078,255 km (0.064 R)
• M33: 40,298,824 km (0.065 R)
• M34: 45,732,967 km (0.094 R)
• M35: 52,285,054 km (0.027 R)
• M36: 54,937,125 km (0.094 R)
• M37: 57,156,858 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 13,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit