🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 11.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,054,582 km

• M1: 138,079 km (0.116 R)
• M2: 500,255 km (0.108 R)
• M3: 883,675 km (0.114 R)
• M4: 1,267,992 km (0.09 R)
• M5: 1,850,825 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 14.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.95 AU - 0.97 AU

Year: 627 Days

Day: 7.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,054,582 km

• M1: 175,329 km (0.051 R)
• M2: 746,493 km (0.117 R)
• M3: 1,347,877 km (0.047 R)
• M4: 2,061,459 km (0.031 R)
• M5: 3,226,527 km (0.094 R)
• M6: 3,701,201 km (0.093 R)
• M7: 4,147,451 km (0.094 R)
• M8: 4,727,442 km (0.118 R)
• M9: 5,254,924 km (0.096 R)
• M10: 5,878,448 km (0.045 R)
• M11: 7,078,074 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 10.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.23 AU - 1.45 AU

Year: 1034 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,054,582 km

• M1: 131,796 km (0.103 R)
• M2: 462,706 km (0.102 R)
• M3: 931,247 km (0.106 R)
• M4: 1,332,767 km (0.076 R)
• M5: 1,774,979 km (0.108 R)
• M6: 2,314,429 km (0.07 R)
• M7: 2,691,266 km (0.116 R)
• M8: 3,027,412 km (0.074 R)
• M9: 3,646,149 km (0.09 R)
• M10: 4,227,037 km (0.05 R)
• M11: 4,757,511 km (0.098 R)
• M12: 5,312,071 km (0.088 R)
• M13: 5,677,688 km (0.114 R)
• M14: 6,257,529 km (0.081 R)
• M15: 6,688,970 km (0.099 R)
• M16: 7,043,666 km (0.054 R)
• M17: 7,972,370 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 8.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.88 AU - 2.12 AU

Year: 1886 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,054,582 km

• M1: 102,475 km (0.092 R)
• M2: 623,823 km (0.047 R)
• M3: 1,030,281 km (0.087 R)
• M4: 1,299,557 km (0.107 R)
• M5: 1,645,876 km (0.088 R)
• M6: 2,053,380 km (0.117 R)
• M7: 3,258,840 km (0.104 R)
• M8: 3,744,136 km (0.056 R)
• M9: 4,817,201 km (0.081 R)
• M10: 5,180,275 km (0.091 R)
• M11: 5,677,239 km (0.041 R)
• M12: 6,355,366 km (0.077 R)
• M13: 7,305,014 km (0.1 R)
• M14: 9,816,762 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.86 AU - 2.5 AU

Year: 2146 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,054,582 km

• M1: 99,632 km (0.116 R)
• M2: 377,884 km (0.109 R)
• M3: 647,310 km (0.096 R)
• M4: 1,097,001 km (0.08 R)
• M5: 1,351,617 km (0.109 R)
• M6: 1,809,536 km (0.057 R)
• M7: 2,300,217 km (0.105 R)
• M8: 2,606,294 km (0.109 R)
• M9: 2,892,325 km (0.113 R)
• M10: 3,166,089 km (0.078 R)
• M11: 3,636,575 km (0.072 R)
• M12: 4,213,274 km (0.116 R)
• M13: 5,167,559 km (0.066 R)
• M14: 5,597,055 km (0.107 R)
• M15: 6,972,308 km (0.066 R)
• M16: 8,691,187 km (0.06 R)
• M17: 9,648,763 km (0.084 R)
• M18: 10,599,308 km (0.091 R)
• M19: 11,332,487 km (0.105 R)
• M20: 11,611,039 km (0.072 R)
• M21: 12,306,519 km (0.119 R)
• M22: 12,643,264 km (0.07 R)
• M23: 14,235,135 km (0.04 R)
• M24: 14,559,613 km (0.091 R)
• M25: 15,416,509 km (0.043 R)
• M26: 17,230,533 km (0.118 R)
• M27: 18,026,843 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.1

Radius: 8.5

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.93 AU - 3.15 AU

Year: 3535 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,054,582 km

• M1: 106,364 km (0.037 R)
• M2: 460,163 km (0.101 R)
• M3: 981,512 km (0.089 R)
• M4: 1,738,626 km (0.083 R)
• M5: 2,172,610 km (0.101 R)
• M6: 2,475,695 km (0.085 R)
• M7: 3,167,885 km (0.102 R)
• M8: 4,046,473 km (0.109 R)
• M9: 4,417,625 km (0.119 R)
• M10: 4,740,457 km (0.091 R)
• M11: 5,228,745 km (0.075 R)
• M12: 6,866,542 km (0.069 R)
• M13: 7,206,129 km (0.055 R)
• M14: 7,621,862 km (0.055 R)
• M15: 10,869,332 km (0.096 R)
• M16: 12,026,173 km (0.049 R)
• M17: 12,474,817 km (0.043 R)
• M18: 12,749,329 km (0.086 R)
• M19: 13,645,420 km (0.088 R)
• M20: 15,934,417 km (0.117 R)
• M21: 16,475,812 km (0.095 R)
• M22: 17,652,698 km (0.114 R)
• M23: 18,408,766 km (0.103 R)
• M24: 18,764,809 km (0.06 R)
• M25: 19,861,062 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.5

Radius: 7.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.08 AU - 7.92 AU

Year: 11051 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,054,582 km

• M1: 98,286 km (0.096 R)
• M2: 479,312 km (0.094 R)
• M3: 971,937 km (0.084 R)
• M4: 1,285,943 km (0.09 R)
• M5: 1,624,782 km (0.082 R)
• M6: 2,427,375 km (0.106 R)
• M7: 2,719,839 km (0.087 R)
• M8: 6,051,832 km (0.1 R)
• M9: 7,323,713 km (0.116 R)
• M10: 9,552,422 km (0.094 R)
• M11: 15,691,470 km (0.066 R)
• M12: 16,503,637 km (0.108 R)
• M13: 16,920,118 km (0.111 R)
• M14: 17,992,136 km (0.104 R)
• M15: 20,112,985 km (0.052 R)
• M16: 22,059,104 km (0.11 R)
• M17: 22,479,773 km (0.084 R)
• M18: 25,576,000 km (0.046 R)
• M19: 31,845,348 km (0.032 R)
• M20: 33,365,411 km (0.077 R)
• M21: 39,682,780 km (0.057 R)
• M22: 44,176,999 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.2

Radius: 5.2

Gravity: 19.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.67 AU - 10.39 AU

Year: 21183 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 44,054,582 km

• M1: 64,626 km (0.102 R)
• M2: 295,905 km (0.09 R)
• M3: 556,205 km (0.099 R)
• M4: 778,059 km (0.098 R)
• M5: 985,551 km (0.067 R)
• M6: 1,562,101 km (0.099 R)
• M7: 2,069,836 km (0.039 R)
• M8: 2,495,143 km (0.12 R)
• M9: 2,777,135 km (0.117 R)
• M10: 4,936,431 km (0.087 R)
• M11: 5,419,632 km (0.099 R)
• M12: 5,812,326 km (0.052 R)
• M13: 7,196,705 km (0.085 R)
• M14: 8,840,636 km (0.056 R)
• M15: 9,778,166 km (0.066 R)
• M16: 10,300,561 km (0.094 R)
• M17: 11,274,743 km (0.096 R)
• M18: 12,644,610 km (0.032 R)
• M19: 13,194,532 km (0.037 R)
• M20: 13,617,296 km (0.119 R)
• M21: 19,058,619 km (0.103 R)
• M22: 19,964,434 km (0.076 R)
• M23: 21,472,830 km (0.1 R)
• M24: 26,119,489 km (0.03 R)
• M25: 26,673,899 km (0.12 R)
• M26: 27,691,463 km (0.063 R)
• M27: 30,898,991 km (0.074 R)
• M28: 35,549,092 km (0.088 R)
• M29: 36,092,880 km (0.068 R)
• M30: 38,466,100 km (0.081 R)
• M31: 45,884,808 km (0.088 R)
• M32: 51,905,076 km (0.115 R)
• M33: 53,666,142 km (0.113 R)
• M34: 56,750,850 km (0.116 R)
• M35: 58,430,834 km (0.113 R)
• M36: 59,187,949 km (0.111 R)
• M37: 62,085,660 km (0.083 R)
• M38: 64,470,848 km (0.081 R)
• M39: 67,329,962 km (0.04 R)
• M40: 67,537,305 km (0.077 R)
• M41: 67,953,337 km (0.109 R)
• M42: 70,485,730 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.1

Radius: 6.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.34 AU - 10.54 AU

Year: 22495 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,054,582 km

• M1: 78,688 km (0.118 R)
• M2: 326,423 km (0.108 R)
• M3: 725,101 km (0.057 R)
• M4: 1,702,274 km (0.11 R)
• M5: 1,963,771 km (0.099 R)
• M6: 2,305,902 km (0.086 R)
• M7: 2,667,031 km (0.062 R)
• M8: 3,875,782 km (0.081 R)
• M9: 4,139,373 km (0.041 R)
• M10: 5,575,363 km (0.103 R)
• M11: 7,434,865 km (0.067 R)
• M12: 7,759,941 km (0.077 R)
• M13: 9,768,442 km (0.09 R)
• M14: 12,436,221 km (0.105 R)
• M15: 12,952,632 km (0.074 R)
• M16: 15,291,894 km (0.041 R)
• M17: 16,560,933 km (0.079 R)
• M18: 16,906,205 km (0.107 R)
• M19: 18,556,718 km (0.069 R)
• M20: 21,270,124 km (0.1 R)
• M21: 22,008,240 km (0.12 R)
• M22: 25,680,569 km (0.107 R)
• M23: 35,794,432 km (0.108 R)
• M24: 39,351,570 km (0.042 R)
• M25: 41,341,820 km (0.093 R)
• M26: 41,722,397 km (0.072 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: 245 - 14,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit