🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.58 AU - 0.64 AU

Year: 308 Days

Day: 26.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 13

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.24 AU - 5.86 AU

Year: 8442 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,861,091 km

• M1: 162,912 km (0.04 R)
• M2: 662,419 km (0.066 R)
• M3: 2,614,223 km (0.118 R)
• M4: 3,132,430 km (0.115 R)
• M5: 5,638,643 km (0.053 R)
• M6: 6,405,781 km (0.083 R)
• M7: 8,313,453 km (0.113 R)
• M8: 9,488,843 km (0.117 R)
• M9: 10,673,210 km (0.093 R)
• M10: 15,128,234 km (0.074 R)
• M11: 19,044,258 km (0.096 R)
• M12: 21,001,447 km (0.05 R)
• M13: 23,506,014 km (0.077 R)
• M14: 24,440,851 km (0.103 R)
• M15: 25,577,496 km (0.107 R)
• M16: 31,794,634 km (0.08 R)
• M17: 32,623,406 km (0.025 R)
• M18: 38,599,093 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 5.4

Gravity: 20.1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.61 AU - 7.93 AU

Year: 13984 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,861,091 km

• M1: 67,169 km (0.115 R)
• M2: 262,843 km (0.064 R)
• M3: 749,635 km (0.103 R)
• M4: 1,262,157 km (0.037 R)
• M5: 1,894,807 km (0.11 R)
• M6: 2,609,884 km (0.071 R)
• M7: 3,064,363 km (0.107 R)
• M8: 3,235,353 km (0.077 R)
• M9: 3,438,657 km (0.069 R)
• M10: 3,677,415 km (0.043 R)
• M11: 5,456,283 km (0.083 R)
• M12: 5,930,359 km (0.081 R)
• M13: 6,431,661 km (0.103 R)
• M14: 8,197,814 km (0.091 R)
• M15: 8,721,705 km (0.074 R)
• M16: 9,217,024 km (0.06 R)
• M17: 11,445,733 km (0.091 R)
• M18: 12,778,351 km (0.094 R)
• M19: 14,076,711 km (0.051 R)
• M20: 19,813,490 km (0.065 R)
• M21: 23,098,360 km (0.077 R)
• M22: 24,918,218 km (0.079 R)
• M23: 25,115,239 km (0.104 R)
• M24: 25,812,813 km (0.053 R)
• M25: 26,420,929 km (0.086 R)
• M26: 27,771,349 km (0.052 R)
• M27: 28,195,907 km (0.118 R)
• M28: 29,937,526 km (0.048 R)
• M29: 30,160,277 km (0.114 R)
• M30: 31,290,040 km (0.051 R)
• M31: 34,480,963 km (0.109 R)
• M32: 36,470,614 km (0.098 R)
• M33: 38,667,160 km (0.117 R)
• M34: 41,777,150 km (0.084 R)
• M35: 46,227,088 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.6

Radius: 3.7

Gravity: 36.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.75 AU - 10.27 AU

Year: 16029 Days

Day: 24.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,861,091 km

• M1: 46,076 km (0.071 R)
• M2: 184,305 km (0.039 R)
• M3: 305,479 km (0.114 R)
• M4: 560,094 km (0.085 R)
• M5: 724,951 km (0.115 R)
• M6: 998,416 km (0.054 R)
• M7: 1,937,292 km (0.102 R)
• M8: 3,073,488 km (0.032 R)
• M9: 4,560,641 km (0.061 R)
• M10: 5,659,138 km (0.089 R)
• M11: 5,807,838 km (0.094 R)
• M12: 6,269,647 km (0.107 R)
• M13: 6,509,452 km (0.075 R)
• M14: 8,032,358 km (0.075 R)
• M15: 8,604,870 km (0.086 R)
• M16: 11,759,889 km (0.053 R)
• M17: 12,812,908 km (0.117 R)
• M18: 19,031,991 km (0.043 R)
• M19: 19,450,266 km (0.095 R)
• M20: 21,273,715 km (0.062 R)
• M21: 22,737,081 km (0.042 R)
• M22: 22,924,677 km (0.078 R)
• M23: 38,374,247 km (0.06 R)
• M24: 42,492,228 km (0.066 R)
• M25: 44,073,029 km (0.09 R)
• M26: 45,395,175 km (0.062 R)
• M27: 47,504,205 km (0.112 R)
• M28: 56,765,510 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.1

Radius: 7.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.83 AU - 9.29 AU

Year: 17608 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,861,091 km

• M1: 93,947 km (0.116 R)
• M2: 407,355 km (0.105 R)
• M3: 836,551 km (0.071 R)
• M4: 1,488,349 km (0.07 R)
• M5: 2,097,063 km (0.109 R)
• M6: 3,330,497 km (0.111 R)
• M7: 4,034,954 km (0.028 R)
• M8: 4,537,752 km (0.116 R)
• M9: 7,699,054 km (0.117 R)
• M10: 8,165,501 km (0.098 R)
• M11: 8,650,646 km (0.098 R)
• M12: 9,873,908 km (0.093 R)
• M13: 10,526,903 km (0.101 R)
• M14: 11,262,027 km (0.087 R)
• M15: 11,807,760 km (0.092 R)
• M16: 12,485,588 km (0.119 R)
• M17: 16,546,123 km (0.076 R)
• M18: 17,976,129 km (0.066 R)
• M19: 20,835,692 km (0.114 R)
• M20: 23,541,768 km (0.04 R)
• M21: 24,074,037 km (0.097 R)
• M22: 26,000,409 km (0.039 R)
• M23: 27,146,030 km (0.053 R)
• M24: 32,392,128 km (0.101 R)
• M25: 34,735,578 km (0.102 R)
• M26: 37,670,090 km (0.11 R)
• M27: 43,228,698 km (0.102 R)
• M28: 44,160,693 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.2

Radius: 6.1

Gravity: 24.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.08 AU - 10.7 AU

Year: 21624 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,861,091 km

• M1: 87,515 km (0.117 R)
• M2: 354,697 km (0.093 R)
• M3: 546,331 km (0.115 R)
• M4: 924,216 km (0.104 R)
• M5: 1,921,435 km (0.09 R)
• M6: 2,261,471 km (0.096 R)
• M7: 2,952,464 km (0.074 R)
• M8: 3,937,266 km (0.077 R)
• M9: 5,445,063 km (0.08 R)
• M10: 6,038,069 km (0.098 R)
• M11: 6,441,385 km (0.049 R)
• M12: 7,153,172 km (0.093 R)
• M13: 8,509,576 km (0.103 R)
• M14: 14,522,363 km (0.115 R)
• M15: 18,381,539 km (0.057 R)
• M16: 24,519,241 km (0.103 R)
• M17: 24,971,176 km (0.036 R)
• M18: 29,800,793 km (0.106 R)
• M19: 34,507,292 km (0.108 R)
• M20: 36,374,423 km (0.095 R)
• M21: 37,110,295 km (0.085 R)
• M22: 38,006,237 km (0.063 R)
• M23: 42,217,118 km (0.111 R)
• M24: 48,300,964 km (0.113 R)
• M25: 49,010,955 km (0.069 R)
• M26: 51,550,977 km (0.071 R)
• M27: 52,665,930 km (0.032 R)
• M28: 54,368,354 km (0.084 R)
• M29: 56,302,655 km (0.07 R)
• M30: 64,284,898 km (0.053 R)
• M31: 65,143,889 km (0.101 R)
• M32: 65,359,759 km (0.104 R)
• M33: 65,792,994 km (0.11 R)
• M34: 67,104,518 km (0.03 R)
• M35: 74,866,404 km (0.108 R)
• M36: 82,193,857 km (0.087 R)
• M37: 85,512,088 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit