🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 14

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.54 AU - 0.9 AU

Year: 394 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,329,977 km

• M1: 174,730 km (0.097 R)
• M2: 704,756 km (0.089 R)
• M3: 1,197,980 km (0.057 R)
• M4: 1,686,866 km (0.086 R)
• M5: 2,135,061 km (0.096 R)
• M6: 2,624,096 km (0.075 R)
• M7: 3,291,901 km (0.102 R)
• M8: 5,271,829 km (0.033 R)
• M9: 5,963,719 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.66 AU - 1.04 AU

Year: 506 Days

Day: 12.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,329,977 km

• M1: 179,368 km (0.116 R)
• M2: 728,392 km (0.063 R)
• M3: 1,223,561 km (0.104 R)
• M4: 1,687,763 km (0.113 R)
• M5: 2,339,262 km (0.041 R)
• M6: 2,878,861 km (0.117 R)
• M7: 3,350,095 km (0.087 R)
• M8: 3,984,390 km (0.034 R)
• M9: 4,682,264 km (0.115 R)
• M10: 5,203,313 km (0.096 R)
• M11: 5,946,067 km (0.085 R)
• M12: 6,942,089 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.6

Radius: 10.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.66 AU - 2.74 AU

Year: 2107 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,329,977 km

• M1: 128,056 km (0.04 R)
• M2: 571,464 km (0.057 R)
• M3: 895,493 km (0.043 R)
• M4: 1,403,378 km (0.101 R)
• M5: 1,904,381 km (0.084 R)
• M6: 2,382,944 km (0.11 R)
• M7: 3,004,374 km (0.112 R)
• M8: 3,675,021 km (0.1 R)
• M9: 4,135,334 km (0.109 R)
• M10: 4,764,842 km (0.093 R)
• M11: 5,702,072 km (0.09 R)
• M12: 6,347,587 km (0.077 R)
• M13: 7,273,598 km (0.047 R)
• M14: 7,908,043 km (0.078 R)
• M15: 9,709,949 km (0.119 R)
• M16: 10,144,830 km (0.059 R)
• M17: 11,488,069 km (0.088 R)
• M18: 12,391,042 km (0.074 R)
• M19: 12,859,882 km (0.115 R)
• M20: 13,697,630 km (0.055 R)
• M21: 14,665,528 km (0.095 R)
• M22: 15,481,734 km (0.053 R)
• M23: 15,876,373 km (0.1 R)
• M24: 16,277,445 km (0.099 R)
• M25: 16,943,904 km (0.059 R)
• M26: 17,681,870 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 12.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.16 AU - 2.6 AU

Year: 2371 Days

Day: 13.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,329,977 km

• M1: 154,235 km (0.098 R)
• M2: 600,785 km (0.076 R)
• M3: 1,105,678 km (0.097 R)
• M4: 1,571,526 km (0.117 R)
• M5: 2,028,098 km (0.113 R)
• M6: 2,633,371 km (0.087 R)
• M7: 3,045,813 km (0.106 R)
• M8: 4,229,281 km (0.098 R)
• M9: 5,271,829 km (0.079 R)
• M10: 5,672,452 km (0.077 R)
• M11: 6,968,867 km (0.1 R)
• M12: 8,023,383 km (0.098 R)
• M13: 9,075,056 km (0.064 R)
• M14: 10,102,045 km (0.046 R)
• M15: 10,762,520 km (0.062 R)
• M16: 12,126,553 km (0.113 R)
• M17: 12,962,655 km (0.075 R)
• M18: 14,360,498 km (0.097 R)
• M19: 16,963,800 km (0.12 R)
• M20: 19,687,828 km (0.111 R)
• M21: 20,290,109 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 8.6

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.66 AU - 4.3 AU

Year: 4192 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,329,977 km

• M1: 106,962 km (0.094 R)
• M2: 681,867 km (0.085 R)
• M3: 1,351,018 km (0.117 R)
• M4: 1,631,215 km (0.119 R)
• M5: 2,047,247 km (0.103 R)
• M6: 2,468,066 km (0.109 R)
• M7: 2,751,105 km (0.117 R)
• M8: 3,443,593 km (0.075 R)
• M9: 4,041,087 km (0.052 R)
• M10: 4,412,688 km (0.087 R)
• M11: 5,091,264 km (0.085 R)
• M12: 5,722,867 km (0.091 R)
• M13: 6,222,374 km (0.06 R)
• M14: 7,075,231 km (0.111 R)
• M15: 8,591,406 km (0.108 R)
• M16: 11,322,614 km (0.037 R)
• M17: 12,110,247 km (0.082 R)
• M18: 12,639,075 km (0.1 R)
• M19: 12,983,450 km (0.097 R)
• M20: 14,800,615 km (0.098 R)
• M21: 16,140,713 km (0.113 R)
• M22: 18,614,313 km (0.115 R)
• M23: 19,060,414 km (0.086 R)
• M24: 19,776,091 km (0.097 R)
• M25: 21,054,105 km (0.082 R)
• M26: 22,101,141 km (0.062 R)
• M27: 26,478,225 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 12.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.16 AU - 6.64 AU

Year: 8102 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,329,977 km

• M1: 159,471 km (0.117 R)
• M2: 778,059 km (0.113 R)
• M3: 1,316,760 km (0.115 R)
• M4: 1,830,031 km (0.116 R)
• M5: 2,630,529 km (0.097 R)
• M6: 3,530,360 km (0.054 R)
• M7: 4,173,781 km (0.084 R)
• M8: 4,743,898 km (0.044 R)
• M9: 6,583,952 km (0.076 R)
• M10: 7,238,742 km (0.072 R)
• M11: 7,979,102 km (0.098 R)
• M12: 9,952,597 km (0.098 R)
• M13: 12,461,503 km (0.066 R)
• M14: 13,344,130 km (0.103 R)
• M15: 14,079,852 km (0.081 R)
• M16: 14,713,399 km (0.117 R)
• M17: 16,589,207 km (0.087 R)
• M18: 19,306,204 km (0.049 R)
• M19: 22,908,072 km (0.06 R)
• M20: 23,343,850 km (0.067 R)
• M21: 26,170,502 km (0.11 R)
• M22: 32,385,545 km (0.097 R)
• M23: 33,939,269 km (0.096 R)
• M24: 35,775,134 km (0.114 R)
• M25: 36,598,820 km (0.088 R)
• M26: 41,164,248 km (0.108 R)
• M27: 45,957,663 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.1

Radius: 5

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.22 AU - 7 AU

Year: 9752 Days

Day: 23.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,329,977 km

• M1: 62,233 km (0.111 R)
• M2: 267,182 km (0.091 R)
• M3: 595,250 km (0.104 R)
• M4: 885,171 km (0.092 R)
• M5: 1,052,720 km (0.096 R)
• M6: 1,301,202 km (0.079 R)
• M7: 1,731,895 km (0.108 R)
• M8: 1,996,683 km (0.111 R)
• M9: 2,529,700 km (0.103 R)
• M10: 3,476,206 km (0.098 R)
• M11: 3,720,499 km (0.1 R)
• M12: 4,028,820 km (0.085 R)
• M13: 6,390,971 km (0.046 R)
• M14: 8,154,580 km (0.091 R)
• M15: 10,071,228 km (0.112 R)
• M16: 10,618,906 km (0.078 R)
• M17: 10,874,269 km (0.076 R)
• M18: 12,102,318 km (0.095 R)
• M19: 14,266,999 km (0.095 R)
• M20: 15,669,479 km (0.114 R)
• M21: 16,472,072 km (0.055 R)
• M22: 17,513,273 km (0.066 R)
• M23: 18,013,828 km (0.118 R)
• M24: 18,523,956 km (0.101 R)
• M25: 18,819,711 km (0.026 R)
• M26: 19,344,949 km (0.115 R)
• M27: 19,957,104 km (0.12 R)
• M28: 20,740,249 km (0.11 R)
• M29: 21,870,760 km (0.077 R)
• M30: 22,703,122 km (0.1 R)
• M31: 23,212,503 km (0.094 R)
• M32: 23,642,747 km (0.04 R)
• M33: 25,326,471 km (0.071 R)
• M34: 26,805,096 km (0.105 R)
• M35: 29,730,632 km (0.118 R)
• M36: 30,854,561 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.6

Radius: 4.6

Gravity: 26.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.81 AU - 9.63 AU

Year: 13850 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,329,977 km

• M1: 57,146 km (0.043 R)
• M2: 288,425 km (0.115 R)
• M3: 1,890,169 km (0.085 R)
• M4: 2,909,978 km (0.093 R)
• M5: 4,371,699 km (0.113 R)
• M6: 5,242,957 km (0.077 R)
• M7: 6,301,661 km (0.089 R)
• M8: 7,365,302 km (0.086 R)
• M9: 7,670,930 km (0.111 R)
• M10: 7,894,429 km (0.095 R)
• M11: 8,307,619 km (0.101 R)
• M12: 9,531,030 km (0.08 R)
• M13: 10,320,159 km (0.088 R)
• M14: 11,496,746 km (0.12 R)
• M15: 13,200,965 km (0.082 R)
• M16: 13,980,370 km (0.081 R)
• M17: 15,773,300 km (0.071 R)
• M18: 17,791,525 km (0.108 R)
• M19: 19,310,841 km (0.059 R)
• M20: 19,475,698 km (0.059 R)
• M21: 19,808,104 km (0.082 R)
• M22: 22,241,763 km (0.098 R)
• M23: 23,812,540 km (0.099 R)
• M24: 31,401,939 km (0.057 R)
• M25: 34,573,265 km (0.119 R)
• M26: 40,997,745 km (0.115 R)
• M27: 43,492,290 km (0.081 R)
• M28: 47,570,926 km (0.089 R)
• M29: 48,022,412 km (0.103 R)
• M30: 48,173,656 km (0.09 R)
• M31: 51,421,575 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.6

Radius: 3.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.52 AU - 13.66 AU

Year: 23846 Days

Day: 17.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,329,977 km

• M1: 43,533 km (0.098 R)
• M2: 297,999 km (0.117 R)
• M3: 848,519 km (0.097 R)
• M4: 1,629,420 km (0.093 R)
• M5: 2,211,356 km (0.117 R)
• M6: 6,105,837 km (0.119 R)
• M7: 6,413,410 km (0.109 R)
• M8: 7,552,449 km (0.108 R)
• M9: 8,521,843 km (0.108 R)
• M10: 15,495,347 km (0.09 R)
• M11: 17,117,138 km (0.12 R)
• M12: 18,777,226 km (0.062 R)
• M13: 18,992,048 km (0.077 R)
• M14: 20,922,609 km (0.1 R)
• M15: 22,898,497 km (0.075 R)
• M16: 24,395,822 km (0.08 R)
• M17: 27,676,204 km (0.102 R)
• M18: 37,080,375 km (0.096 R)
• M19: 38,215,225 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit