🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.6

Radius: 10.2

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 5 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,736,041 km

• M1: 126,859 km (0.05 R)
• M2: 492,327 km (0.09 R)
• M3: 909,555 km (0.082 R)
• M4: 1,284,597 km (0.047 R)
• M5: 1,787,096 km (0.107 R)
• M6: 2,201,033 km (0.073 R)
• M7: 2,545,557 km (0.036 R)
• M8: 2,993,453 km (0.037 R)
• M9: 3,556,390 km (0.093 R)
• M10: 4,174,529 km (0.089 R)
• M11: 5,504,005 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 11.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.66 AU - 0.98 AU

Year: 504 Days

Day: 9.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,736,041 km

• M1: 143,165 km (0.066 R)
• M2: 523,742 km (0.092 R)
• M3: 1,022,352 km (0.11 R)
• M4: 1,514,529 km (0.073 R)
• M5: 1,967,661 km (0.117 R)
• M6: 2,390,724 km (0.074 R)
• M7: 2,753,199 km (0.087 R)
• M8: 3,310,750 km (0.058 R)
• M9: 3,818,186 km (0.118 R)
• M10: 4,467,890 km (0.048 R)
• M11: 5,274,971 km (0.108 R)
• M12: 5,895,802 km (0.057 R)
• M13: 6,291,338 km (0.09 R)
• M14: 6,724,723 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.4

Radius: 10.4

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.27 AU - 1.89 AU

Year: 1347 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,736,041 km

• M1: 130,449 km (0.12 R)
• M2: 464,801 km (0.032 R)
• M3: 828,772 km (0.077 R)
• M4: 1,193,342 km (0.091 R)
• M5: 1,582,745 km (0.104 R)
• M6: 2,239,630 km (0.101 R)
• M7: 2,925,386 km (0.109 R)
• M8: 3,864,562 km (0.11 R)
• M9: 4,537,303 km (0.079 R)
• M10: 5,883,235 km (0.104 R)
• M11: 6,524,562 km (0.113 R)
• M12: 7,641,758 km (0.068 R)
• M13: 8,523,039 km (0.106 R)
• M14: 9,157,484 km (0.105 R)
• M15: 9,565,886 km (0.112 R)
• M16: 10,217,983 km (0.063 R)
• M17: 11,215,801 km (0.099 R)
• M18: 12,735,865 km (0.11 R)
• M19: 13,285,039 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.4

Radius: 4.6

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.03 AU - 8.01 AU

Year: 11292 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,736,041 km

• M1: 59,091 km (0.076 R)
• M2: 287,378 km (0.039 R)
• M3: 712,235 km (0.101 R)
• M4: 1,686,716 km (0.104 R)
• M5: 2,598,964 km (0.066 R)
• M6: 4,401,169 km (0.058 R)
• M7: 4,645,911 km (0.094 R)
• M8: 5,574,316 km (0.072 R)
• M9: 6,157,149 km (0.042 R)
• M10: 6,659,948 km (0.063 R)
• M11: 7,486,027 km (0.113 R)
• M12: 7,923,900 km (0.1 R)
• M13: 8,103,717 km (0.085 R)
• M14: 8,612,200 km (0.109 R)
• M15: 10,054,622 km (0.1 R)
• M16: 13,663,671 km (0.065 R)
• M17: 14,316,666 km (0.078 R)
• M18: 14,990,155 km (0.095 R)
• M19: 15,755,199 km (0.066 R)
• M20: 16,255,454 km (0.094 R)
• M21: 16,472,970 km (0.062 R)
• M22: 16,839,933 km (0.088 R)
• M23: 17,362,778 km (0.1 R)
• M24: 18,284,301 km (0.11 R)
• M25: 21,071,309 km (0.096 R)
• M26: 22,386,125 km (0.091 R)
• M27: 23,200,685 km (0.098 R)
• M28: 23,384,391 km (0.105 R)
• M29: 25,762,997 km (0.027 R)
• M30: 26,657,293 km (0.091 R)
• M31: 29,896,237 km (0.059 R)
• M32: 30,222,809 km (0.09 R)
• M33: 36,518,187 km (0.115 R)
• M34: 36,766,669 km (0.088 R)
• M35: 38,026,732 km (0.104 R)
• M36: 47,072,167 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 4.5

Gravity: 31.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.41 AU - 8.87 AU

Year: 15752 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,736,041 km

• M1: 55,950 km (0.044 R)
• M2: 204,201 km (0.086 R)
• M3: 411,394 km (0.1 R)
• M4: 552,615 km (0.093 R)
• M5: 905,666 km (0.092 R)
• M6: 1,064,538 km (0.112 R)
• M7: 1,545,944 km (0.026 R)
• M8: 2,160,193 km (0.091 R)
• M9: 2,321,011 km (0.104 R)
• M10: 2,712,209 km (0.113 R)
• M11: 3,353,087 km (0.051 R)
• M12: 4,150,443 km (0.077 R)
• M13: 4,305,128 km (0.116 R)
• M14: 4,495,865 km (0.114 R)
• M15: 5,137,191 km (0.047 R)
• M16: 6,641,397 km (0.063 R)
• M17: 8,318,539 km (0.111 R)
• M18: 8,714,974 km (0.115 R)
• M19: 9,124,124 km (0.12 R)
• M20: 10,035,624 km (0.108 R)
• M21: 12,934,531 km (0.065 R)
• M22: 14,012,833 km (0.114 R)
• M23: 15,591,389 km (0.107 R)
• M24: 17,205,251 km (0.089 R)
• M25: 20,136,921 km (0.11 R)
• M26: 22,613,813 km (0.038 R)
• M27: 24,373,383 km (0.053 R)
• M28: 25,389,302 km (0.095 R)
• M29: 25,803,389 km (0.068 R)
• M30: 26,222,113 km (0.104 R)
• M31: 30,777,817 km (0.119 R)
• M32: 33,426,896 km (0.071 R)
• M33: 37,948,193 km (0.113 R)
• M34: 39,449,108 km (0.095 R)
• M35: 44,637,611 km (0.118 R)
• M36: 46,155,581 km (0.104 R)
• M37: 47,394,401 km (0.041 R)
• M38: 52,237,781 km (0.069 R)
• M39: 54,778,701 km (0.055 R)
• M40: 58,293,054 km (0.117 R)
• M41: 60,840,556 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.2

Radius: 4.7

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.09 AU - 10.01 AU

Year: 16957 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,736,041 km

• M1: 62,083 km (0.055 R)
• M2: 331,509 km (0.118 R)
• M3: 862,731 km (0.091 R)
• M4: 1,119,590 km (0.066 R)
• M5: 1,868,477 km (0.073 R)
• M6: 2,149,273 km (0.111 R)
• M7: 2,664,936 km (0.05 R)
• M8: 3,458,404 km (0.09 R)
• M9: 4,021,041 km (0.106 R)
• M10: 5,463,314 km (0.059 R)
• M11: 6,570,787 km (0.109 R)
• M12: 6,930,271 km (0.066 R)
• M13: 8,735,917 km (0.053 R)
• M14: 9,670,156 km (0.089 R)
• M15: 10,453,301 km (0.086 R)
• M16: 11,165,536 km (0.051 R)
• M17: 11,562,120 km (0.116 R)
• M18: 12,808,570 km (0.083 R)
• M19: 14,943,780 km (0.081 R)
• M20: 15,217,843 km (0.088 R)
• M21: 15,495,048 km (0.065 R)
• M22: 17,683,366 km (0.062 R)
• M23: 21,773,820 km (0.114 R)
• M24: 22,571,476 km (0.068 R)
• M25: 22,841,650 km (0.097 R)
• M26: 25,081,130 km (0.098 R)
• M27: 27,055,673 km (0.107 R)
• M28: 28,497,946 km (0.087 R)
• M29: 36,856,128 km (0.086 R)
• M30: 37,105,508 km (0.054 R)
• M31: 38,369,909 km (0.117 R)
• M32: 38,626,170 km (0.117 R)
• M33: 43,159,135 km (0.103 R)
• M34: 43,436,340 km (0.068 R)
• M35: 45,409,835 km (0.066 R)
• M36: 50,143,710 km (0.113 R)
• M37: 50,757,660 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672

Radius: 7.8

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.72 AU - 12.16 AU

Year: 21255 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,736,041 km

• M1: 98,884 km (0.064 R)
• M2: 483,351 km (0.104 R)
• M3: 1,016,817 km (0.051 R)
• M4: 1,370,466 km (0.077 R)
• M5: 2,306,350 km (0.092 R)
• M6: 2,871,980 km (0.072 R)
• M7: 4,943,462 km (0.095 R)
• M8: 6,048,990 km (0.079 R)
• M9: 7,407,189 km (0.04 R)
• M10: 8,366,261 km (0.103 R)
• M11: 10,285,003 km (0.094 R)
• M12: 11,672,523 km (0.103 R)
• M13: 14,507,702 km (0.1 R)
• M14: 15,282,170 km (0.082 R)
• M15: 16,084,165 km (0.113 R)
• M16: 20,042,674 km (0.096 R)
• M17: 21,494,521 km (0.061 R)
• M18: 21,993,729 km (0.105 R)
• M19: 23,119,005 km (0.115 R)
• M20: 26,043,045 km (0.099 R)
• M21: 27,652,269 km (0.12 R)
• M22: 28,005,619 km (0.071 R)
• M23: 29,571,310 km (0.089 R)
• M24: 30,438,230 km (0.117 R)
• M25: 33,140,267 km (0.09 R)
• M26: 40,209,364 km (0.082 R)
• M27: 41,272,856 km (0.108 R)
• M28: 42,199,315 km (0.076 R)
• M29: 49,421,153 km (0.072 R)
• M30: 52,779,026 km (0.078 R)
• M31: 59,357,144 km (0.088 R)
• M32: 62,538,193 km (0.049 R)
• M33: 67,307,523 km (0.1 R)
• M34: 68,805,745 km (0.114 R)
• M35: 69,237,784 km (0.118 R)
• M36: 74,111,384 km (0.083 R)
• M37: 75,021,387 km (0.081 R)
• M38: 78,736,052 km (0.025 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit