🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 14.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.89 AU

Year: 431 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,697,771 km

• M1: 182,809 km (0.116 R)
• M2: 690,095 km (0.1 R)
• M3: 1,206,058 km (0.117 R)
• M4: 1,741,319 km (0.105 R)
• M5: 2,823,061 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.5

Radius: 13

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.2 AU - 1.8 AU

Year: 1268 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,697,771 km

• M1: 162,314 km (0.077 R)
• M2: 575,353 km (0.082 R)
• M3: 1,019,809 km (0.056 R)
• M4: 1,952,551 km (0.112 R)
• M5: 2,526,409 km (0.102 R)
• M6: 6,194,249 km (0.103 R)
• M7: 7,631,586 km (0.067 R)
• M8: 8,736,216 km (0.068 R)
• M9: 9,624,678 km (0.073 R)
• M10: 11,086,549 km (0.076 R)
• M11: 11,545,664 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 10.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.09 AU - 2.87 AU

Year: 2696 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,697,771 km

• M1: 134,488 km (0.102 R)
• M2: 505,192 km (0.102 R)
• M3: 832,811 km (0.063 R)
• M4: 1,273,377 km (0.119 R)
• M5: 1,867,131 km (0.112 R)
• M6: 2,282,116 km (0.08 R)
• M7: 3,094,881 km (0.06 R)
• M8: 4,110,052 km (0.11 R)
• M9: 4,573,357 km (0.032 R)
• M10: 4,978,168 km (0.085 R)
• M11: 5,333,613 km (0.108 R)
• M12: 7,016,589 km (0.092 R)
• M13: 7,836,535 km (0.109 R)
• M14: 8,484,144 km (0.099 R)
• M15: 9,450,397 km (0.107 R)
• M16: 9,997,327 km (0.112 R)
• M17: 11,315,433 km (0.087 R)
• M18: 11,848,899 km (0.108 R)
• M19: 12,528,223 km (0.055 R)
• M20: 12,921,815 km (0.086 R)
• M21: 13,459,171 km (0.076 R)
• M22: 16,633,488 km (0.094 R)
• M23: 17,216,172 km (0.111 R)
• M24: 18,310,181 km (0.087 R)
• M25: 18,647,225 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 9.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.41 AU - 3.87 AU

Year: 3841 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,697,771 km

• M1: 124,316 km (0.114 R)
• M2: 458,966 km (0.118 R)
• M3: 793,467 km (0.073 R)
• M4: 1,162,974 km (0.117 R)
• M5: 1,496,727 km (0.087 R)
• M6: 1,834,070 km (0.079 R)
• M7: 2,349,584 km (0.086 R)
• M8: 2,859,115 km (0.104 R)
• M9: 3,366,550 km (0.097 R)
• M10: 5,206,754 km (0.115 R)
• M11: 6,443,629 km (0.103 R)
• M12: 6,796,381 km (0.119 R)
• M13: 7,604,957 km (0.058 R)
• M14: 9,008,784 km (0.111 R)
• M15: 11,363,903 km (0.108 R)
• M16: 13,238,813 km (0.101 R)
• M17: 14,348,530 km (0.052 R)
• M18: 15,363,103 km (0.042 R)
• M19: 15,994,406 km (0.098 R)
• M20: 19,111,278 km (0.084 R)
• M21: 19,903,099 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 13

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.86 AU - 5.24 AU

Year: 7833 Days

Day: 7.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,697,771 km

• M1: 163,510 km (0.114 R)
• M2: 636,988 km (0.085 R)
• M3: 1,134,251 km (0.071 R)
• M4: 1,807,890 km (0.078 R)
• M5: 2,305,154 km (0.118 R)
• M6: 2,834,281 km (0.052 R)
• M7: 3,421,602 km (0.058 R)
• M8: 3,988,728 km (0.09 R)
• M9: 4,928,203 km (0.094 R)
• M10: 5,622,486 km (0.059 R)
• M11: 6,381,097 km (0.109 R)
• M12: 7,783,128 km (0.069 R)
• M13: 8,984,399 km (0.096 R)
• M14: 12,993,921 km (0.106 R)
• M15: 13,445,408 km (0.076 R)
• M16: 17,994,829 km (0.048 R)
• M17: 22,015,870 km (0.108 R)
• M18: 22,496,827 km (0.102 R)
• M19: 23,479,685 km (0.06 R)
• M20: 24,320,425 km (0.101 R)
• M21: 27,699,243 km (0.057 R)
• M22: 29,019,294 km (0.063 R)
• M23: 30,380,784 km (0.098 R)
• M24: 37,265,129 km (0.101 R)
• M25: 38,293,614 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.2

Radius: 4.8

Gravity: 32.43 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.17 AU - 7.03 AU

Year: 10399 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,697,771 km

• M1: 60,138 km (0.063 R)
• M2: 259,253 km (0.119 R)
• M3: 464,352 km (0.064 R)
• M4: 716,275 km (0.08 R)
• M5: 1,243,158 km (0.109 R)
• M6: 1,537,717 km (0.074 R)
• M7: 1,732,942 km (0.058 R)
• M8: 1,894,208 km (0.07 R)
• M9: 2,265,959 km (0.086 R)
• M10: 2,519,677 km (0.075 R)
• M11: 2,946,480 km (0.062 R)
• M12: 3,273,052 km (0.068 R)
• M13: 3,445,089 km (0.09 R)
• M14: 3,649,290 km (0.101 R)
• M15: 4,252,469 km (0.1 R)
• M16: 5,211,840 km (0.118 R)
• M17: 6,613,423 km (0.04 R)
• M18: 7,633,680 km (0.087 R)
• M19: 9,477,474 km (0.093 R)
• M20: 9,777,567 km (0.112 R)
• M21: 11,769,463 km (0.06 R)
• M22: 13,135,142 km (0.057 R)
• M23: 14,080,900 km (0.101 R)
• M24: 15,003,619 km (0.12 R)
• M25: 17,262,846 km (0.079 R)
• M26: 17,861,088 km (0.053 R)
• M27: 19,738,990 km (0.095 R)
• M28: 20,809,213 km (0.082 R)
• M29: 22,091,417 km (0.099 R)
• M30: 30,150,104 km (0.113 R)
• M31: 32,235,948 km (0.118 R)
• M32: 32,914,224 km (0.1 R)
• M33: 38,055,155 km (0.112 R)
• M34: 47,526,346 km (0.056 R)
• M35: 48,257,431 km (0.039 R)
• M36: 48,847,594 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.7

Radius: 7.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.73 AU - 7.77 AU

Year: 10785 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,697,771 km

• M1: 97,089 km (0.118 R)
• M2: 825,032 km (0.102 R)
• M3: 1,124,228 km (0.029 R)
• M4: 2,661,795 km (0.053 R)
• M5: 3,013,948 km (0.096 R)
• M6: 4,511,872 km (0.086 R)
• M7: 5,718,528 km (0.095 R)
• M8: 6,164,779 km (0.072 R)
• M9: 6,487,162 km (0.1 R)
• M10: 8,842,730 km (0.096 R)
• M11: 10,765,661 km (0.108 R)
• M12: 11,339,967 km (0.093 R)
• M13: 16,486,134 km (0.094 R)
• M14: 23,432,262 km (0.118 R)
• M15: 25,568,670 km (0.106 R)
• M16: 27,831,487 km (0.116 R)
• M17: 30,430,002 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.9

Radius: 3.1

Gravity: 62.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.87 AU - 7.33 AU

Year: 13059 Days

Day: 16.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,697,771 km

• M1: 38,895 km (0.093 R)
• M2: 135,386 km (0.065 R)
• M3: 966,402 km (0.107 R)
• M4: 1,413,401 km (0.092 R)
• M5: 2,463,279 km (0.119 R)
• M6: 3,255,998 km (0.058 R)
• M7: 5,859,599 km (0.076 R)
• M8: 6,235,838 km (0.115 R)
• M9: 6,748,659 km (0.102 R)
• M10: 8,222,198 km (0.092 R)
• M11: 9,382,778 km (0.117 R)
• M12: 10,703,279 km (0.105 R)
• M13: 11,264,420 km (0.106 R)
• M14: 13,967,953 km (0.036 R)
• M15: 16,404,454 km (0.115 R)
• M16: 16,774,260 km (0.106 R)
• M17: 17,301,143 km (0.105 R)
• M18: 26,277,614 km (0.114 R)
• M19: 31,974,750 km (0.097 R)
• M20: 33,962,756 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 12,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit