🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 12.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,183,730 km

• M1: 159,172 km (0.089 R)
• M2: 635,492 km (0.092 R)
• M3: 1,272,479 km (0.088 R)
• M4: 1,716,187 km (0.105 R)
• M5: 2,374,268 km (0.081 R)
• M6: 2,902,498 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 10.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.67 AU

Year: 279 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,183,730 km

• M1: 135,536 km (0.069 R)
• M2: 616,792 km (0.068 R)
• M3: 1,308,682 km (0.063 R)
• M4: 1,729,651 km (0.101 R)
• M5: 2,479,435 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 13.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 12.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,183,730 km

• M1: 165,455 km (0.043 R)
• M2: 632,051 km (0.115 R)
• M3: 1,112,111 km (0.044 R)
• M4: 1,598,453 km (0.106 R)
• M5: 2,197,144 km (0.109 R)
• M6: 2,668,228 km (0.081 R)
• M7: 3,097,424 km (0.065 R)
• M8: 3,540,682 km (0.109 R)
• M9: 3,991,271 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 10.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,183,730 km

• M1: 129,402 km (0.077 R)
• M2: 482,603 km (0.067 R)
• M3: 875,746 km (0.115 R)
• M4: 1,321,398 km (0.109 R)
• M5: 1,655,600 km (0.087 R)
• M6: 2,025,854 km (0.08 R)
• M7: 2,443,681 km (0.119 R)
• M8: 3,394,525 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 10.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.24 AU - 1.86 AU

Year: 1287 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,183,730 km

• M1: 155,881 km (0.097 R)
• M2: 696,827 km (0.091 R)
• M3: 1,133,952 km (0.101 R)
• M4: 2,009,847 km (0.092 R)
• M5: 2,471,058 km (0.094 R)
• M6: 2,963,085 km (0.111 R)
• M7: 3,359,968 km (0.107 R)
• M8: 3,854,838 km (0.03 R)
• M9: 4,861,183 km (0.091 R)
• M10: 5,576,709 km (0.093 R)
• M11: 6,272,788 km (0.052 R)
• M12: 9,531,928 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 11.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.46 AU - 3.4 AU

Year: 3344 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,183,730 km

• M1: 147,055 km (0.091 R)
• M2: 714,928 km (0.115 R)
• M3: 1,091,167 km (0.084 R)
• M4: 1,562,400 km (0.112 R)
• M5: 2,491,403 km (0.076 R)
• M6: 4,185,748 km (0.107 R)
• M7: 4,737,765 km (0.07 R)
• M8: 5,489,494 km (0.064 R)
• M9: 6,097,160 km (0.078 R)
• M10: 6,749,407 km (0.117 R)
• M11: 7,733,612 km (0.081 R)
• M12: 8,395,881 km (0.099 R)
• M13: 9,167,657 km (0.062 R)
• M14: 9,720,570 km (0.06 R)
• M15: 10,852,727 km (0.105 R)
• M16: 11,854,584 km (0.077 R)
• M17: 15,230,559 km (0.118 R)
• M18: 16,809,864 km (0.081 R)
• M19: 21,167,800 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 9.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.57 AU - 3.41 AU

Year: 3448 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,183,730 km

• M1: 116,686 km (0.042 R)
• M2: 563,086 km (0.033 R)
• M3: 862,581 km (0.12 R)
• M4: 1,225,207 km (0.094 R)
• M5: 1,585,588 km (0.112 R)
• M6: 2,524,913 km (0.087 R)
• M7: 3,320,474 km (0.086 R)
• M8: 3,860,223 km (0.078 R)
• M9: 4,162,561 km (0.043 R)
• M10: 4,480,755 km (0.082 R)
• M11: 5,269,735 km (0.07 R)
• M12: 6,869,085 km (0.097 R)
• M13: 9,180,073 km (0.09 R)
• M14: 11,082,061 km (0.075 R)
• M15: 12,011,512 km (0.088 R)
• M16: 16,309,309 km (0.113 R)
• M17: 18,403,829 km (0.094 R)
• M18: 23,190,213 km (0.105 R)
• M19: 23,904,543 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.3

Radius: 4.1

Gravity: 53.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.56 AU - 7.14 AU

Year: 10671 Days

Day: 15.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,183,730 km

• M1: 59,540 km (0.12 R)
• M2: 214,224 km (0.078 R)
• M3: 380,577 km (0.112 R)
• M4: 751,580 km (0.117 R)
• M5: 895,044 km (0.114 R)
• M6: 1,679,834 km (0.098 R)
• M7: 2,623,199 km (0.079 R)
• M8: 3,219,945 km (0.082 R)
• M9: 3,550,107 km (0.053 R)
• M10: 4,613,748 km (0.078 R)
• M11: 6,288,496 km (0.039 R)
• M12: 6,483,273 km (0.113 R)
• M13: 7,176,359 km (0.034 R)
• M14: 9,297,059 km (0.116 R)
• M15: 12,583,425 km (0.104 R)
• M16: 15,627,143 km (0.116 R)
• M17: 17,318,198 km (0.068 R)
• M18: 17,856,151 km (0.052 R)
• M19: 18,090,123 km (0.057 R)
• M20: 20,203,940 km (0.113 R)
• M21: 20,457,958 km (0.053 R)
• M22: 21,320,090 km (0.09 R)
• M23: 22,027,090 km (0.049 R)
• M24: 23,024,459 km (0.114 R)
• M25: 25,011,567 km (0.065 R)
• M26: 28,149,233 km (0.086 R)
• M27: 30,417,585 km (0.102 R)
• M28: 31,539,420 km (0.117 R)
• M29: 33,746,288 km (0.113 R)
• M30: 38,594,455 km (0.119 R)
• M31: 44,741,582 km (0.025 R)
• M32: 45,607,454 km (0.065 R)
• M33: 47,223,859 km (0.099 R)
• M34: 49,335,732 km (0.067 R)
• M35: 52,142,487 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.2

Radius: 3.4

Gravity: 54.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.83 AU - 9.67 AU

Year: 15802 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,183,730 km

• M1: 43,383 km (0.046 R)
• M2: 250,876 km (0.068 R)
• M3: 609,911 km (0.118 R)
• M4: 751,131 km (0.12 R)
• M5: 1,202,767 km (0.064 R)
• M6: 1,612,515 km (0.088 R)
• M7: 2,434,705 km (0.114 R)
• M8: 3,289,059 km (0.047 R)
• M9: 4,109,154 km (0.099 R)
• M10: 4,357,337 km (0.115 R)
• M11: 4,815,855 km (0.101 R)
• M12: 5,414,845 km (0.096 R)
• M13: 5,983,316 km (0.119 R)
• M14: 7,017,337 km (0.106 R)
• M15: 8,310,611 km (0.064 R)
• M16: 8,657,079 km (0.085 R)
• M17: 9,116,644 km (0.098 R)
• M18: 9,431,996 km (0.093 R)
• M19: 12,539,892 km (0.111 R)
• M20: 15,963,439 km (0.077 R)
• M21: 16,421,209 km (0.079 R)
• M22: 22,520,463 km (0.106 R)
• M23: 23,289,995 km (0.046 R)
• M24: 31,138,348 km (0.104 R)
• M25: 31,493,942 km (0.101 R)
• M26: 32,821,025 km (0.063 R)
• M27: 33,312,603 km (0.097 R)
• M28: 33,684,653 km (0.075 R)
• M29: 33,934,183 km (0.06 R)
• M30: 34,817,109 km (0.111 R)
• M31: 37,290,860 km (0.114 R)
• M32: 42,439,420 km (0.109 R)
• M33: 43,169,458 km (0.073 R)
• M34: 52,930,419 km (0.093 R)
• M35: 53,606,303 km (0.075 R)
• M36: 54,975,273 km (0.097 R)
• M37: 57,072,186 km (0.072 R)
• M38: 59,040,744 km (0.071 R)
• M39: 60,316,665 km (0.086 R)
• M40: 61,239,085 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.7

Radius: 3.8

Gravity: 43.54 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.37 AU - 8.91 AU

Year: 16936 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 66,183,730 km

• M1: 52,210 km (0.056 R)
• M2: 244,742 km (0.08 R)
• M3: 413,937 km (0.093 R)
• M4: 592,408 km (0.114 R)
• M5: 780,751 km (0.043 R)
• M6: 984,504 km (0.029 R)
• M7: 1,392,906 km (0.106 R)
• M8: 1,762,413 km (0.079 R)
• M9: 2,234,843 km (0.109 R)
• M10: 2,511,449 km (0.112 R)
• M11: 3,591,097 km (0.105 R)
• M12: 3,940,258 km (0.112 R)
• M13: 4,154,333 km (0.111 R)
• M14: 4,706,199 km (0.112 R)
• M15: 5,342,290 km (0.109 R)
• M16: 6,114,215 km (0.036 R)
• M17: 9,133,548 km (0.04 R)
• M18: 10,403,634 km (0.067 R)
• M19: 11,849,498 km (0.111 R)
• M20: 12,951,286 km (0.082 R)
• M21: 13,978,575 km (0.118 R)
• M22: 15,356,221 km (0.066 R)
• M23: 16,427,492 km (0.104 R)
• M24: 17,061,488 km (0.084 R)
• M25: 18,547,294 km (0.112 R)
• M26: 19,496,642 km (0.098 R)
• M27: 21,491,529 km (0.094 R)
• M28: 23,618,362 km (0.081 R)
• M29: 24,019,584 km (0.106 R)
• M30: 26,956,190 km (0.118 R)
• M31: 28,060,372 km (0.105 R)
• M32: 28,284,769 km (0.088 R)
• M33: 28,737,153 km (0.104 R)
• M34: 32,531,403 km (0.115 R)
• M35: 34,163,666 km (0.057 R)
• M36: 36,646,392 km (0.103 R)
• M37: 38,000,103 km (0.076 R)
• M38: 39,106,828 km (0.085 R)
• M39: 39,527,198 km (0.09 R)
• M40: 40,950,622 km (0.095 R)
• M41: 42,703,460 km (0.099 R)
• M42: 49,721,695 km (0.093 R)
• M43: 50,380,374 km (0.116 R)
• M44: 65,787,758 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 18,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit