🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.32 AU - 1.42 AU

Year: 1052 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,501,563 km

• M1: 112,498 km (0.072 R)
• M2: 685,308 km (0.088 R)
• M3: 1,155,344 km (0.037 R)
• M4: 1,468,602 km (0.115 R)
• M5: 2,251,448 km (0.068 R)
• M6: 2,967,872 km (0.084 R)
• M7: 3,619,820 km (0.048 R)
• M8: 4,165,254 km (0.109 R)
• M9: 5,694,742 km (0.088 R)
• M10: 6,392,616 km (0.094 R)
• M11: 6,804,310 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51

Radius: 12.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.53 AU - 1.93 AU

Year: 1493 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,501,563 km

• M1: 151,243 km (0.047 R)
• M2: 681,119 km (0.101 R)
• M3: 1,256,323 km (0.068 R)
• M4: 1,724,115 km (0.083 R)
• M5: 2,299,319 km (0.032 R)
• M6: 2,711,761 km (0.12 R)
• M7: 3,436,113 km (0.119 R)
• M8: 3,927,692 km (0.114 R)
• M9: 4,665,658 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 11.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.09 AU - 3.01 AU

Year: 2671 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,501,563 km

• M1: 185,352 km (0.049 R)
• M2: 558,299 km (0.092 R)
• M3: 996,023 km (0.063 R)
• M4: 1,414,298 km (0.099 R)
• M5: 1,962,425 km (0.113 R)
• M6: 4,745,095 km (0.078 R)
• M7: 5,743,661 km (0.12 R)
• M8: 6,639,303 km (0.097 R)
• M9: 7,857,778 km (0.107 R)
• M10: 8,993,076 km (0.08 R)
• M11: 10,915,109 km (0.069 R)
• M12: 14,159,588 km (0.044 R)
• M13: 14,644,734 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 11.5

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.6 AU - 4.6 AU

Year: 5446 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 95,501,563 km

• M1: 143,016 km (0.088 R)
• M2: 553,213 km (0.116 R)
• M3: 954,883 km (0.114 R)
• M4: 1,392,008 km (0.091 R)
• M5: 1,752,240 km (0.111 R)
• M6: 2,288,099 km (0.085 R)
• M7: 2,760,081 km (0.077 R)
• M8: 3,192,119 km (0.093 R)
• M9: 4,094,943 km (0.119 R)
• M10: 5,453,590 km (0.057 R)
• M11: 7,986,731 km (0.091 R)
• M12: 8,623,569 km (0.104 R)
• M13: 9,293,917 km (0.079 R)
• M14: 10,134,657 km (0.115 R)
• M15: 10,833,728 km (0.08 R)
• M16: 11,865,954 km (0.089 R)
• M17: 12,908,950 km (0.099 R)
• M18: 13,730,541 km (0.075 R)
• M19: 14,586,690 km (0.076 R)
• M20: 15,538,731 km (0.106 R)
• M21: 15,906,293 km (0.114 R)
• M22: 16,342,371 km (0.094 R)
• M23: 16,914,882 km (0.067 R)
• M24: 20,414,873 km (0.103 R)
• M25: 25,967,049 km (0.067 R)
• M26: 28,718,902 km (0.059 R)
• M27: 29,366,212 km (0.046 R)
• M28: 30,212,786 km (0.101 R)
• M29: 30,786,195 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 14.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.96 AU - 6.56 AU

Year: 7914 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,501,563 km

• M1: 177,872 km (0.103 R)
• M2: 701,614 km (0.029 R)
• M3: 1,455,438 km (0.066 R)
• M4: 5,189,700 km (0.09 R)
• M5: 6,486,264 km (0.094 R)
• M6: 8,705,698 km (0.046 R)
• M7: 9,839,650 km (0.077 R)
• M8: 10,398,548 km (0.106 R)
• M9: 11,817,484 km (0.081 R)
• M10: 13,518,262 km (0.087 R)
• M11: 18,284,450 km (0.056 R)
• M12: 20,832,401 km (0.101 R)
• M13: 22,485,009 km (0.079 R)
• M14: 22,930,062 km (0.107 R)
• M15: 23,608,788 km (0.044 R)
• M16: 26,212,988 km (0.088 R)
• M17: 26,706,212 km (0.118 R)
• M18: 29,178,466 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 10.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.47 AU - 6.17 AU

Year: 8050 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 95,501,563 km

• M1: 134,339 km (0.105 R)
• M2: 483,351 km (0.098 R)
• M3: 983,307 km (0.086 R)
• M4: 1,582,446 km (0.087 R)
• M5: 2,047,097 km (0.085 R)
• M6: 2,445,925 km (0.069 R)
• M7: 2,915,513 km (0.089 R)
• M8: 3,510,015 km (0.096 R)
• M9: 4,233,021 km (0.087 R)
• M10: 4,858,789 km (0.118 R)
• M11: 5,605,283 km (0.059 R)
• M12: 5,974,640 km (0.107 R)
• M13: 6,593,077 km (0.04 R)
• M14: 7,508,018 km (0.088 R)
• M15: 7,919,711 km (0.094 R)
• M16: 11,286,411 km (0.107 R)
• M17: 12,079,130 km (0.113 R)
• M18: 17,054,307 km (0.086 R)
• M19: 20,097,427 km (0.12 R)
• M20: 23,327,095 km (0.109 R)
• M21: 25,023,535 km (0.116 R)
• M22: 26,800,758 km (0.043 R)
• M23: 33,032,706 km (0.088 R)
• M24: 33,432,581 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 8.3

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.45 AU - 6.67 AU

Year: 8600 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 95,501,563 km

• M1: 103,821 km (0.06 R)
• M2: 685,009 km (0.056 R)
• M3: 1,507,797 km (0.045 R)
• M4: 1,916,947 km (0.054 R)
• M5: 2,545,258 km (0.09 R)
• M6: 3,215,307 km (0.119 R)
• M7: 8,013,210 km (0.113 R)
• M8: 9,953,494 km (0.105 R)
• M9: 13,421,323 km (0.104 R)
• M10: 17,829,523 km (0.078 R)
• M11: 19,490,359 km (0.1 R)
• M12: 20,938,167 km (0.063 R)
• M13: 24,650,588 km (0.081 R)
• M14: 29,756,213 km (0.077 R)
• M15: 33,135,180 km (0.092 R)
• M16: 34,424,714 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.9

Radius: 7.5

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.72 AU - 8.82 AU

Year: 15602 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,501,563 km

• M1: 93,349 km (0.118 R)
• M2: 357,240 km (0.091 R)
• M3: 713,133 km (0.116 R)
• M4: 1,050,775 km (0.1 R)
• M5: 1,297,313 km (0.05 R)
• M6: 1,692,700 km (0.097 R)
• M7: 3,669,785 km (0.093 R)
• M8: 4,009,373 km (0.116 R)
• M9: 4,277,602 km (0.112 R)
• M10: 4,621,826 km (0.063 R)
• M11: 4,950,642 km (0.109 R)
• M12: 5,618,447 km (0.079 R)
• M13: 6,031,786 km (0.098 R)
• M14: 6,344,894 km (0.093 R)
• M15: 7,306,210 km (0.065 R)
• M16: 8,361,324 km (0.117 R)
• M17: 9,204,009 km (0.116 R)
• M18: 11,467,874 km (0.102 R)
• M19: 13,211,736 km (0.063 R)
• M20: 15,999,492 km (0.052 R)
• M21: 16,983,846 km (0.113 R)
• M22: 18,331,274 km (0.072 R)
• M23: 23,560,767 km (0.085 R)
• M24: 26,358,098 km (0.106 R)
• M25: 26,985,062 km (0.09 R)
• M26: 27,408,574 km (0.073 R)
• M27: 28,377,519 km (0.104 R)
• M28: 32,008,260 km (0.104 R)
• M29: 50,425,852 km (0.114 R)
• M30: 56,062,550 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 3.4

Gravity: 85.74 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.52 AU - 13.14 AU

Year: 23380 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 95,501,563 km

• M1: 43,234 km (0.113 R)
• M2: 149,598 km (0.09 R)
• M3: 327,320 km (0.094 R)
• M4: 656,585 km (0.082 R)
• M5: 1,446,163 km (0.051 R)
• M6: 1,569,880 km (0.063 R)
• M7: 1,963,322 km (0.114 R)
• M8: 2,275,384 km (0.053 R)
• M9: 3,319,278 km (0.057 R)
• M10: 6,015,181 km (0.068 R)
• M11: 6,964,230 km (0.076 R)
• M12: 7,318,627 km (0.042 R)
• M13: 10,208,409 km (0.12 R)
• M14: 10,467,961 km (0.064 R)
• M15: 10,865,443 km (0.116 R)
• M16: 11,000,231 km (0.107 R)
• M17: 13,776,767 km (0.056 R)
• M18: 13,934,593 km (0.1 R)
• M19: 14,415,400 km (0.118 R)
• M20: 15,495,048 km (0.084 R)
• M21: 16,986,689 km (0.09 R)
• M22: 17,907,464 km (0.086 R)
• M23: 20,251,812 km (0.113 R)
• M24: 20,558,637 km (0.098 R)
• M25: 21,816,456 km (0.119 R)
• M26: 24,716,111 km (0.104 R)
• M27: 27,988,415 km (0.114 R)
• M28: 30,456,780 km (0.091 R)
• M29: 30,724,710 km (0.08 R)
• M30: 37,945,799 km (0.079 R)
• M31: 39,514,034 km (0.082 R)
• M32: 39,832,827 km (0.047 R)
• M33: 44,133,915 km (0.103 R)
• M34: 44,477,093 km (0.069 R)
• M35: 45,168,683 km (0.11 R)
• M36: 48,551,839 km (0.075 R)
• M37: 55,417,634 km (0.063 R)
• M38: 56,621,448 km (0.027 R)
• M39: 59,080,986 km (0.074 R)
• M40: 61,397,360 km (0.037 R)
• M41: 68,478,725 km (0.116 R)
• M42: 70,097,074 km (0.084 R)
• M43: 80,601,238 km (0.079 R)
• M44: 88,519,603 km (0.036 R)
• M45: 88,792,171 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 19,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit