🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 9.5

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.62 AU - 0.66 AU

Year: 341 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,638,522 km

• M1: 118,182 km (0.104 R)
• M2: 438,023 km (0.097 R)
• M3: 782,846 km (0.097 R)
• M4: 1,134,401 km (0.102 R)
• M5: 1,742,516 km (0.12 R)
• M6: 2,253,842 km (0.113 R)
• M7: 2,554,832 km (0.098 R)
• M8: 2,862,555 km (0.115 R)
• M9: 3,173,868 km (0.07 R)
• M10: 4,168,395 km (0.115 R)
• M11: 4,639,329 km (0.074 R)
• M12: 4,938,824 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 13.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.81 AU - 0.95 AU

Year: 550 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,638,522 km

• M1: 164,258 km (0.108 R)
• M2: 582,833 km (0.086 R)
• M3: 1,395,000 km (0.072 R)
• M4: 2,324,003 km (0.049 R)
• M5: 2,937,803 km (0.094 R)
• M6: 3,821,328 km (0.06 R)
• M7: 4,907,708 km (0.12 R)
• M8: 5,962,223 km (0.1 R)
• M9: 6,951,963 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 8.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.07 AU - 1.39 AU

Year: 910 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,638,522 km

• M1: 109,506 km (0.048 R)
• M2: 388,805 km (0.079 R)
• M3: 706,850 km (0.074 R)
• M4: 998,117 km (0.071 R)
• M5: 1,432,848 km (0.106 R)
• M6: 1,763,011 km (0.078 R)
• M7: 2,043,806 km (0.042 R)
• M8: 2,773,844 km (0.11 R)
• M9: 3,193,316 km (0.103 R)
• M10: 3,508,968 km (0.054 R)
• M11: 3,915,425 km (0.083 R)
• M12: 4,353,148 km (0.104 R)
• M13: 5,205,856 km (0.117 R)
• M14: 5,501,910 km (0.06 R)
• M15: 6,759,430 km (0.092 R)
• M16: 7,175,761 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 14.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.61 AU - 1.71 AU

Year: 1426 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,638,522 km

• M1: 175,329 km (0.06 R)
• M2: 693,685 km (0.106 R)
• M3: 1,359,246 km (0.116 R)
• M4: 1,969,905 km (0.096 R)
• M5: 2,589,539 km (0.104 R)
• M6: 3,829,406 km (0.089 R)
• M7: 4,925,659 km (0.114 R)
• M8: 5,759,967 km (0.102 R)
• M9: 6,493,744 km (0.07 R)
• M10: 7,615,579 km (0.11 R)
• M11: 8,577,493 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 14.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.99 AU - 2.51 AU

Year: 2251 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,638,522 km

• M1: 184,005 km (0.116 R)
• M2: 774,767 km (0.1 R)
• M3: 1,287,140 km (0.076 R)
• M4: 1,947,914 km (0.079 R)
• M5: 2,590,736 km (0.071 R)
• M6: 3,057,032 km (0.106 R)
• M7: 3,711,822 km (0.097 R)
• M8: 4,631,849 km (0.102 R)
• M9: 6,874,321 km (0.06 R)
• M10: 7,560,527 km (0.085 R)
• M11: 8,090,552 km (0.099 R)
• M12: 10,773,291 km (0.101 R)
• M13: 11,409,830 km (0.081 R)
• M14: 12,109,050 km (0.115 R)
• M15: 12,875,590 km (0.106 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 11.4

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.97 AU - 3.75 AU

Year: 4107 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,638,522 km

• M1: 145,260 km (0.103 R)
• M2: 917,484 km (0.109 R)
• M3: 1,341,295 km (0.104 R)
• M4: 1,922,781 km (0.107 R)
• M5: 2,288,249 km (0.052 R)
• M6: 2,854,776 km (0.117 R)
• M7: 3,803,825 km (0.098 R)
• M8: 4,481,803 km (0.068 R)
• M9: 5,106,823 km (0.101 R)
• M10: 6,257,081 km (0.07 R)
• M11: 6,781,870 km (0.108 R)
• M12: 7,403,000 km (0.04 R)
• M13: 7,884,705 km (0.042 R)
• M14: 12,864,519 km (0.049 R)
• M15: 13,511,380 km (0.046 R)
• M16: 14,127,574 km (0.071 R)
• M17: 14,924,033 km (0.065 R)
• M18: 15,305,807 km (0.111 R)
• M19: 15,694,163 km (0.109 R)
• M20: 16,490,472 km (0.116 R)
• M21: 17,553,814 km (0.09 R)
• M22: 18,349,824 km (0.115 R)
• M23: 20,278,440 km (0.107 R)
• M24: 21,776,214 km (0.07 R)
• M25: 24,914,478 km (0.05 R)
• M26: 25,298,047 km (0.113 R)
• M27: 26,076,704 km (0.094 R)
• M28: 26,472,091 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.9

Radius: 3.9

Gravity: 33.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.61 AU - 6.77 AU

Year: 10270 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,638,522 km

• M1: 53,406 km (0.106 R)
• M2: 293,062 km (0.1 R)
• M3: 585,227 km (0.102 R)
• M4: 975,977 km (0.096 R)
• M5: 2,123,841 km (0.118 R)
• M6: 2,449,964 km (0.112 R)
• M7: 4,068,314 km (0.11 R)
• M8: 4,687,051 km (0.088 R)
• M9: 5,831,475 km (0.056 R)
• M10: 7,072,090 km (0.117 R)
• M11: 7,589,698 km (0.103 R)
• M12: 8,970,786 km (0.098 R)
• M13: 9,200,718 km (0.098 R)
• M14: 9,340,592 km (0.104 R)
• M15: 17,421,420 km (0.057 R)
• M16: 19,260,427 km (0.118 R)
• M17: 21,224,647 km (0.065 R)
• M18: 25,545,931 km (0.04 R)
• M19: 27,330,783 km (0.066 R)
• M20: 29,803,636 km (0.086 R)
• M21: 31,673,609 km (0.051 R)
• M22: 33,510,073 km (0.071 R)
• M23: 34,510,583 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.4

Radius: 5.5

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.07 AU - 6.47 AU

Year: 10470 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,638,522 km

• M1: 84,224 km (0.114 R)
• M2: 346,618 km (0.099 R)
• M3: 629,059 km (0.082 R)
• M4: 893,548 km (0.052 R)
• M5: 1,241,812 km (0.04 R)
• M6: 1,944,772 km (0.084 R)
• M7: 2,492,600 km (0.057 R)
• M8: 2,683,337 km (0.099 R)
• M9: 2,883,948 km (0.12 R)
• M10: 3,406,493 km (0.095 R)
• M11: 3,642,110 km (0.093 R)
• M12: 3,990,074 km (0.062 R)
• M13: 5,970,301 km (0.051 R)
• M14: 6,383,640 km (0.075 R)
• M15: 7,698,007 km (0.117 R)
• M16: 8,828,219 km (0.116 R)
• M17: 10,600,206 km (0.094 R)
• M18: 11,464,732 km (0.065 R)
• M19: 11,674,767 km (0.107 R)
• M20: 12,048,463 km (0.06 R)
• M21: 12,989,583 km (0.112 R)
• M22: 14,038,264 km (0.079 R)
• M23: 14,522,064 km (0.108 R)
• M24: 16,501,992 km (0.082 R)
• M25: 17,245,792 km (0.119 R)
• M26: 20,676,969 km (0.093 R)
• M27: 23,089,683 km (0.104 R)
• M28: 25,150,095 km (0.112 R)
• M29: 26,224,956 km (0.099 R)
• M30: 27,799,473 km (0.047 R)
• M31: 27,988,714 km (0.106 R)
• M32: 33,859,982 km (0.067 R)
• M33: 34,401,377 km (0.079 R)
• M34: 37,772,415 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.8

Radius: 6.4

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.38 AU - 8.38 AU

Year: 16177 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,638,522 km

• M1: 87,515 km (0.059 R)
• M2: 315,801 km (0.053 R)
• M3: 575,653 km (0.09 R)
• M4: 783,594 km (0.051 R)
• M5: 1,157,439 km (0.105 R)
• M6: 1,675,197 km (0.095 R)
• M7: 1,935,198 km (0.112 R)
• M8: 2,166,177 km (0.061 R)
• M9: 2,620,356 km (0.109 R)
• M10: 3,136,020 km (0.097 R)
• M11: 6,039,864 km (0.117 R)
• M12: 6,694,505 km (0.11 R)
• M13: 8,327,216 km (0.087 R)
• M14: 9,088,071 km (0.115 R)
• M15: 9,842,493 km (0.067 R)
• M16: 14,451,454 km (0.105 R)
• M17: 17,674,240 km (0.061 R)
• M18: 19,411,371 km (0.063 R)
• M19: 22,946,967 km (0.114 R)
• M20: 26,286,141 km (0.1 R)
• M21: 26,687,363 km (0.046 R)
• M22: 29,610,206 km (0.053 R)
• M23: 41,513,858 km (0.099 R)
• M24: 43,578,309 km (0.066 R)
• M25: 45,710,228 km (0.083 R)
• M26: 47,317,208 km (0.07 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: 503 - 13,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit