🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 14

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,236,519 km

• M1: 174,132 km (0.12 R)
• M2: 623,225 km (0.104 R)
• M3: 1,283,550 km (0.111 R)
• M4: 1,727,107 km (0.084 R)
• M5: 2,250,251 km (0.105 R)
• M6: 3,072,740 km (0.053 R)
• M7: 3,601,120 km (0.039 R)
• M8: 4,687,799 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 11.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,236,519 km

• M1: 141,819 km (0.107 R)
• M2: 576,849 km (0.092 R)
• M3: 1,004,699 km (0.079 R)
• M4: 1,423,125 km (0.082 R)
• M5: 2,487,364 km (0.043 R)
• M6: 2,873,775 km (0.094 R)
• M7: 3,290,854 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 12.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,236,519 km

• M1: 159,172 km (0.082 R)
• M2: 574,755 km (0.032 R)
• M3: 1,094,308 km (0.094 R)
• M4: 1,837,062 km (0.062 R)
• M5: 2,259,377 km (0.072 R)
• M6: 2,687,825 km (0.103 R)
• M7: 3,555,343 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 13.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.57 AU - 0.71 AU

Year: 347 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,236,519 km

• M1: 171,888 km (0.104 R)
• M2: 653,443 km (0.099 R)
• M3: 1,380,639 km (0.086 R)
• M4: 2,032,885 km (0.111 R)
• M5: 2,705,178 km (0.104 R)
• M6: 3,774,653 km (0.084 R)
• M7: 4,606,118 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 8.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.87 AU - 1.27 AU

Year: 751 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,236,519 km

• M1: 106,962 km (0.05 R)
• M2: 375,191 km (0.025 R)
• M3: 676,930 km (0.098 R)
• M4: 984,354 km (0.084 R)
• M5: 1,256,173 km (0.063 R)
• M6: 1,555,818 km (0.112 R)
• M7: 1,939,237 km (0.098 R)
• M8: 2,862,256 km (0.082 R)
• M9: 3,509,416 km (0.098 R)
• M10: 4,601,331 km (0.084 R)
• M11: 4,970,988 km (0.108 R)
• M12: 5,306,087 km (0.047 R)
• M13: 5,846,734 km (0.044 R)
• M14: 6,180,486 km (0.086 R)
• M15: 6,547,600 km (0.045 R)
• M16: 7,621,413 km (0.059 R)
• M17: 7,996,305 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.9

Radius: 10

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.42 AU - 1.46 AU

Year: 1172 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,236,519 km

• M1: 124,316 km (0.099 R)
• M2: 677,678 km (0.096 R)
• M3: 1,068,129 km (0.111 R)
• M4: 1,527,394 km (0.064 R)
• M5: 1,958,087 km (0.089 R)
• M6: 2,390,873 km (0.068 R)
• M7: 2,824,258 km (0.088 R)
• M8: 3,379,416 km (0.104 R)
• M9: 4,085,518 km (0.101 R)
• M10: 5,451,047 km (0.09 R)
• M11: 6,443,629 km (0.094 R)
• M12: 6,937,003 km (0.093 R)
• M13: 7,359,318 km (0.099 R)
• M14: 7,948,883 km (0.071 R)
• M15: 8,307,170 km (0.041 R)
• M16: 8,703,155 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 13.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.63 AU - 1.99 AU

Year: 1652 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,236,519 km

• M1: 164,258 km (0.105 R)
• M2: 680,521 km (0.109 R)
• M3: 1,137,093 km (0.078 R)
• M4: 1,657,993 km (0.092 R)
• M5: 2,281,368 km (0.097 R)
• M6: 2,725,075 km (0.115 R)
• M7: 3,493,110 km (0.106 R)
• M8: 3,920,661 km (0.027 R)
• M9: 4,825,130 km (0.068 R)
• M10: 5,440,127 km (0.077 R)
• M11: 7,022,722 km (0.096 R)
• M12: 7,449,675 km (0.069 R)
• M13: 8,109,102 km (0.08 R)
• M14: 10,196,591 km (0.114 R)
• M15: 10,745,465 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 13.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.1 AU - 3.3 AU

Year: 3009 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,236,519 km

• M1: 171,738 km (0.088 R)
• M2: 642,822 km (0.103 R)
• M3: 1,181,524 km (0.107 R)
• M4: 1,694,794 km (0.118 R)
• M5: 3,002,280 km (0.039 R)
• M6: 3,881,018 km (0.094 R)
• M7: 4,948,548 km (0.036 R)
• M8: 5,387,019 km (0.027 R)
• M9: 6,231,200 km (0.065 R)
• M10: 7,821,725 km (0.11 R)
• M11: 9,227,197 km (0.073 R)
• M12: 9,781,457 km (0.059 R)
• M13: 10,318,812 km (0.087 R)
• M14: 12,445,047 km (0.039 R)
• M15: 14,849,384 km (0.104 R)
• M16: 16,187,537 km (0.114 R)
• M17: 17,660,926 km (0.072 R)
• M18: 19,822,765 km (0.071 R)
• M19: 20,312,548 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.5

Radius: 7.6

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.24 AU - 11.88 AU

Year: 21642 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,236,519 km

• M1: 96,042 km (0.118 R)
• M2: 620,831 km (0.029 R)
• M3: 1,045,839 km (0.099 R)
• M4: 1,486,853 km (0.102 R)
• M5: 2,169,768 km (0.042 R)
• M6: 3,698,658 km (0.088 R)
• M7: 4,650,399 km (0.11 R)
• M8: 6,175,550 km (0.07 R)
• M9: 6,659,948 km (0.05 R)
• M10: 8,007,824 km (0.115 R)
• M11: 8,909,900 km (0.05 R)
• M12: 9,528,636 km (0.104 R)
• M13: 11,041,071 km (0.12 R)
• M14: 11,361,809 km (0.114 R)
• M15: 13,636,594 km (0.073 R)
• M16: 16,034,947 km (0.116 R)
• M17: 16,281,035 km (0.097 R)
• M18: 16,949,588 km (0.049 R)
• M19: 18,163,276 km (0.111 R)
• M20: 18,610,574 km (0.076 R)
• M21: 22,559,359 km (0.053 R)
• M22: 27,032,934 km (0.099 R)
• M23: 27,733,650 km (0.072 R)
• M24: 31,547,947 km (0.099 R)
• M25: 38,854,606 km (0.112 R)
• M26: 41,571,902 km (0.115 R)
• M27: 45,881,368 km (0.105 R)
• M28: 55,188,898 km (0.093 R)
• M29: 55,562,893 km (0.083 R)
• M30: 55,938,533 km (0.083 R)
• M31: 58,421,559 km (0.079 R)
• M32: 61,176,703 km (0.106 R)
• M33: 64,844,693 km (0.116 R)
• M34: 66,309,855 km (0.081 R)
• M35: 67,157,027 km (0.081 R)
• M36: 69,523,666 km (0.084 R)
• M37: 72,839,802 km (0.032 R)
• M38: 73,289,792 km (0.186 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.2

Radius: 5.4

Gravity: 23.91 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.3 AU - 12.46 AU

Year: 22682 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,236,519 km

• M1: 67,169 km (0.085 R)
• M2: 295,306 km (0.087 R)
• M3: 528,380 km (0.092 R)
• M4: 1,174,343 km (0.094 R)
• M5: 1,351,168 km (0.081 R)
• M6: 2,716,548 km (0.09 R)
• M7: 4,111,398 km (0.065 R)
• M8: 4,703,207 km (0.068 R)
• M9: 7,055,634 km (0.114 R)
• M10: 7,545,417 km (0.108 R)
• M11: 8,005,132 km (0.118 R)
• M12: 8,429,391 km (0.11 R)
• M13: 8,757,310 km (0.104 R)
• M14: 9,673,298 km (0.058 R)
• M15: 9,972,194 km (0.112 R)
• M16: 10,588,537 km (0.085 R)
• M17: 11,560,175 km (0.116 R)
• M18: 12,170,984 km (0.112 R)
• M19: 13,382,876 km (0.036 R)
• M20: 13,904,524 km (0.116 R)
• M21: 14,208,507 km (0.1 R)
• M22: 18,302,551 km (0.105 R)
• M23: 20,177,910 km (0.075 R)
• M24: 23,438,695 km (0.112 R)
• M25: 23,869,537 km (0.115 R)
• M26: 25,873,700 km (0.104 R)
• M27: 26,218,224 km (0.045 R)
• M28: 27,270,495 km (0.082 R)
• M29: 28,350,442 km (0.113 R)
• M30: 29,086,015 km (0.081 R)
• M31: 29,960,414 km (0.065 R)
• M32: 30,340,393 km (0.118 R)
• M33: 37,156,072 km (0.102 R)
• M34: 41,541,833 km (0.081 R)
• M35: 42,970,044 km (0.048 R)
• M36: 45,756,454 km (0.027 R)
• M37: 48,486,914 km (0.078 R)
• M38: 63,989,143 km (0.106 R)
• M39: 66,964,944 km (0.042 R)
• M40: 67,831,863 km (0.086 R)
• M41: 79,066,514 km (0.092 R)
• M42: 80,766,245 km (0.105 R)
• M43: 81,748,504 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 12,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit