🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 8.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.77 AU - 0.79 AU

Year: 452 Days

Day: 13.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 81,519,217 km

• M1: 112,498 km (0.098 R)
• M2: 631,153 km (0.119 R)
• M3: 1,346,082 km (0.117 R)
• M4: 1,696,141 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 8.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.87 AU - 1.15 AU

Year: 666 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,519,217 km

• M1: 100,679 km (0.103 R)
• M2: 544,985 km (0.103 R)
• M3: 833,709 km (0.087 R)
• M4: 1,335,011 km (0.049 R)
• M5: 2,635,914 km (0.11 R)
• M6: 2,974,305 km (0.046 R)
• M7: 3,787,818 km (0.112 R)
• M8: 4,102,722 km (0.118 R)
• M9: 4,517,257 km (0.079 R)
• M10: 4,785,037 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 12.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.09 AU - 1.21 AU

Year: 809 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,519,217 km

• M1: 155,432 km (0.043 R)
• M2: 550,071 km (0.033 R)
• M3: 962,513 km (0.068 R)
• M4: 1,561,203 km (0.111 R)
• M5: 1,957,488 km (0.107 R)
• M6: 2,487,813 km (0.041 R)
• M7: 3,113,281 km (0.06 R)
• M8: 3,766,874 km (0.083 R)
• M9: 4,908,605 km (0.078 R)
• M10: 5,463,613 km (0.064 R)
• M11: 6,438,842 km (0.091 R)
• M12: 6,945,680 km (0.025 R)
• M13: 7,866,155 km (0.038 R)
• M14: 8,394,685 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 13.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.33 AU - 3.29 AU

Year: 3090 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,519,217 km

• M1: 172,187 km (0.106 R)
• M2: 870,510 km (0.033 R)
• M3: 1,697,786 km (0.081 R)
• M4: 2,593,129 km (0.093 R)
• M5: 3,463,490 km (0.072 R)
• M6: 7,775,349 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 14.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.61 AU - 3.63 AU

Year: 3615 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,519,217 km

• M1: 180,415 km (0.067 R)
• M2: 705,204 km (0.099 R)
• M3: 1,360,144 km (0.103 R)
• M4: 2,204,773 km (0.042 R)
• M5: 2,797,779 km (0.113 R)
• M6: 3,378,818 km (0.097 R)
• M7: 4,084,171 km (0.099 R)
• M8: 5,514,178 km (0.107 R)
• M9: 6,284,607 km (0.12 R)
• M10: 7,223,782 km (0.103 R)
• M11: 7,865,856 km (0.096 R)
• M12: 9,381,582 km (0.06 R)
• M13: 10,953,556 km (0.07 R)
• M14: 11,620,164 km (0.096 R)
• M15: 12,360,973 km (0.073 R)
• M16: 13,885,974 km (0.072 R)
• M17: 14,880,799 km (0.057 R)
• M18: 16,318,435 km (0.063 R)
• M19: 17,545,885 km (0.096 R)
• M20: 19,340,910 km (0.102 R)
• M21: 19,792,097 km (0.102 R)
• M22: 22,014,075 km (0.086 R)
• M23: 23,439,144 km (0.075 R)
• M24: 24,323,267 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 13.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.53 AU - 6.53 AU

Year: 8531 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,519,217 km

• M1: 162,912 km (0.101 R)
• M2: 581,487 km (0.085 R)
• M3: 1,191,397 km (0.062 R)
• M4: 1,744,610 km (0.098 R)
• M5: 2,646,386 km (0.066 R)
• M6: 3,492,512 km (0.083 R)
• M7: 4,601,331 km (0.087 R)
• M8: 5,213,187 km (0.04 R)
• M9: 6,775,587 km (0.026 R)
• M10: 7,195,658 km (0.113 R)
• M11: 9,490,040 km (0.117 R)
• M12: 9,978,926 km (0.033 R)
• M13: 11,759,589 km (0.096 R)
• M14: 13,274,417 km (0.088 R)
• M15: 14,224,065 km (0.093 R)
• M16: 14,765,459 km (0.095 R)
• M17: 15,577,477 km (0.087 R)
• M18: 17,457,623 km (0.069 R)
• M19: 18,078,603 km (0.098 R)
• M20: 20,152,928 km (0.069 R)
• M21: 20,711,077 km (0.062 R)
• M22: 21,343,278 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.6

Radius: 3.5

Gravity: 70.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.72 AU - 8.06 AU

Year: 11864 Days

Day: 22.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,519,217 km

• M1: 44,281 km (0.053 R)
• M2: 185,801 km (0.068 R)
• M3: 386,561 km (0.12 R)
• M4: 765,941 km (0.093 R)
• M5: 1,425,518 km (0.099 R)
• M6: 1,800,560 km (0.103 R)
• M7: 2,997,792 km (0.102 R)
• M8: 3,858,279 km (0.101 R)
• M9: 4,547,626 km (0.062 R)
• M10: 4,904,865 km (0.094 R)
• M11: 5,457,330 km (0.061 R)
• M12: 6,725,621 km (0.118 R)
• M13: 7,188,776 km (0.038 R)
• M14: 8,415,179 km (0.12 R)
• M15: 8,607,861 km (0.06 R)
• M16: 11,041,968 km (0.116 R)
• M17: 11,507,517 km (0.089 R)
• M18: 11,745,078 km (0.111 R)
• M19: 14,100,198 km (0.088 R)
• M20: 16,005,027 km (0.116 R)
• M21: 16,450,380 km (0.075 R)
• M22: 18,884,188 km (0.104 R)
• M23: 19,549,001 km (0.104 R)
• M24: 19,802,420 km (0.096 R)
• M25: 25,140,371 km (0.031 R)
• M26: 26,869,423 km (0.119 R)
• M27: 29,112,643 km (0.11 R)
• M28: 33,363,168 km (0.072 R)
• M29: 39,334,815 km (0.12 R)
• M30: 43,784,155 km (0.118 R)
• M31: 49,489,220 km (0.091 R)
• M32: 57,897,069 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.8

Radius: 3

Gravity: 70.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.63 AU - 12.83 AU

Year: 23057 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 81,519,217 km

• M1: 40,242 km (0.095 R)
• M2: 280,646 km (0.077 R)
• M3: 858,393 km (0.062 R)
• M4: 1,015,770 km (0.05 R)
• M5: 1,372,560 km (0.092 R)
• M6: 1,570,927 km (0.053 R)
• M7: 1,864,588 km (0.111 R)
• M8: 2,129,077 km (0.095 R)
• M9: 2,732,405 km (0.049 R)
• M10: 3,073,339 km (0.104 R)
• M11: 3,211,717 km (0.046 R)
• M12: 3,775,850 km (0.107 R)
• M13: 3,999,499 km (0.091 R)
• M14: 5,330,771 km (0.103 R)
• M15: 5,490,391 km (0.068 R)
• M16: 9,161,673 km (0.048 R)
• M17: 9,800,755 km (0.117 R)
• M18: 9,980,123 km (0.062 R)
• M19: 10,656,305 km (0.066 R)
• M20: 11,895,574 km (0.094 R)
• M21: 13,520,057 km (0.102 R)
• M22: 14,270,290 km (0.113 R)
• M23: 14,500,671 km (0.085 R)
• M24: 14,655,655 km (0.059 R)
• M25: 16,602,372 km (0.114 R)
• M26: 18,081,147 km (0.084 R)
• M27: 19,083,303 km (0.072 R)
• M28: 20,704,046 km (0.108 R)
• M29: 22,934,700 km (0.113 R)
• M30: 23,569,743 km (0.107 R)
• M31: 23,891,528 km (0.073 R)
• M32: 24,434,419 km (0.116 R)
• M33: 30,704,365 km (0.101 R)
• M34: 39,453,147 km (0.055 R)
• M35: 39,906,728 km (0.111 R)
• M36: 45,293,299 km (0.109 R)
• M37: 45,624,508 km (0.055 R)
• M38: 53,878,571 km (0.106 R)
• M39: 54,436,870 km (0.097 R)
• M40: 56,708,514 km (0.084 R)
• M41: 57,867,598 km (0.092 R)
• M42: 67,283,886 km (0.114 R)
• M43: 78,620,862 km (0.072 R)
• M44: 79,579,186 km (0.059 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 20,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit