🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 12.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.6 AU

Year: 264 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,211,511 km

• M1: 155,432 km (0.044 R)
• M2: 557,701 km (0.08 R)
• M3: 1,126,622 km (0.101 R)
• M4: 1,939,836 km (0.088 R)
• M5: 2,773,395 km (0.085 R)
• M6: 3,694,319 km (0.055 R)
• M7: 4,359,282 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 10.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.69 AU

Year: 295 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,211,511 km

• M1: 133,142 km (0.088 R)
• M2: 493,075 km (0.094 R)
• M3: 874,848 km (0.064 R)
• M4: 1,292,825 km (0.116 R)
• M5: 1,688,062 km (0.044 R)
• M6: 2,111,873 km (0.117 R)
• M7: 2,463,578 km (0.063 R)
• M8: 3,051,198 km (0.084 R)
• M9: 3,451,372 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 10.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.63 AU - 1.91 AU

Year: 1655 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 142.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,211,511 km

• M1: 125,662 km (0.03 R)
• M2: 543,938 km (0.089 R)
• M3: 983,307 km (0.105 R)
• M4: 1,408,314 km (0.051 R)
• M5: 1,986,510 km (0.078 R)
• M6: 2,301,713 km (0.064 R)
• M7: 2,624,395 km (0.052 R)
• M8: 3,347,402 km (0.047 R)
• M9: 4,398,925 km (0.07 R)
• M10: 5,354,108 km (0.09 R)
• M11: 9,081,189 km (0.027 R)
• M12: 10,792,589 km (0.078 R)
• M13: 11,742,535 km (0.112 R)
• M14: 12,071,351 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.6

Radius: 7.4

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.57 AU - 8.23 AU

Year: 12740 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,211,511 km

• M1: 92,152 km (0.081 R)
• M2: 398,978 km (0.1 R)
• M3: 804,687 km (0.088 R)
• M4: 1,921,884 km (0.07 R)
• M5: 2,331,782 km (0.095 R)
• M6: 2,952,613 km (0.113 R)
• M7: 3,757,599 km (0.108 R)
• M8: 7,006,416 km (0.068 R)
• M9: 7,758,594 km (0.107 R)
• M10: 8,244,039 km (0.103 R)
• M11: 9,275,517 km (0.04 R)
• M12: 9,571,272 km (0.026 R)
• M13: 13,190,942 km (0.041 R)
• M14: 14,797,174 km (0.071 R)
• M15: 17,258,957 km (0.079 R)
• M16: 19,017,779 km (0.114 R)
• M17: 22,267,493 km (0.067 R)
• M18: 23,066,795 km (0.102 R)
• M19: 24,069,549 km (0.097 R)
• M20: 26,752,737 km (0.116 R)
• M21: 27,453,304 km (0.115 R)
• M22: 28,475,506 km (0.072 R)
• M23: 31,141,490 km (0.11 R)
• M24: 33,160,911 km (0.087 R)
• M25: 36,718,049 km (0.074 R)
• M26: 45,140,409 km (0.116 R)
• M27: 45,848,007 km (0.099 R)
• M28: 47,868,476 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.7

Radius: 4.7

Gravity: 43.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.24 AU - 7.56 AU

Year: 12740 Days

Day: 24.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,211,511 km

• M1: 58,493 km (0.067 R)
• M2: 207,193 km (0.049 R)
• M3: 635,791 km (0.077 R)
• M4: 798,105 km (0.119 R)
• M5: 1,144,424 km (0.047 R)
• M6: 1,461,571 km (0.088 R)
• M7: 1,906,026 km (0.085 R)
• M8: 2,655,213 km (0.093 R)
• M9: 3,446,885 km (0.11 R)
• M10: 3,752,214 km (0.046 R)
• M11: 4,743,449 km (0.104 R)
• M12: 6,015,031 km (0.112 R)
• M13: 10,351,574 km (0.089 R)
• M14: 11,831,097 km (0.075 R)
• M15: 13,311,817 km (0.095 R)
• M16: 13,785,893 km (0.073 R)
• M17: 14,411,960 km (0.118 R)
• M18: 15,945,936 km (0.1 R)
• M19: 16,557,941 km (0.119 R)
• M20: 22,122,533 km (0.064 R)
• M21: 22,405,722 km (0.054 R)
• M22: 23,465,174 km (0.095 R)
• M23: 24,256,397 km (0.101 R)
• M24: 25,372,996 km (0.115 R)
• M25: 28,480,443 km (0.119 R)
• M26: 33,540,591 km (0.105 R)
• M27: 34,670,503 km (0.088 R)
• M28: 35,955,399 km (0.099 R)
• M29: 38,620,037 km (0.088 R)
• M30: 42,713,034 km (0.04 R)
• M31: 47,085,930 km (0.048 R)
• M32: 53,424,242 km (0.081 R)
• M33: 56,532,138 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.2

Radius: 4.2

Gravity: 33.63 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.66 AU - 7.18 AU

Year: 12796 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,211,511 km

• M1: 52,210 km (0.092 R)
• M2: 293,960 km (0.116 R)
• M3: 833,709 km (0.107 R)
• M4: 1,766,003 km (0.119 R)
• M5: 1,985,613 km (0.058 R)
• M6: 2,755,144 km (0.116 R)
• M7: 3,051,049 km (0.111 R)
• M8: 3,759,993 km (0.041 R)
• M9: 5,637,596 km (0.067 R)
• M10: 8,016,202 km (0.102 R)
• M11: 9,910,560 km (0.106 R)
• M12: 11,965,436 km (0.071 R)
• M13: 12,811,711 km (0.096 R)
• M14: 16,893,340 km (0.117 R)
• M15: 17,042,638 km (0.12 R)
• M16: 19,144,638 km (0.032 R)
• M17: 21,152,840 km (0.111 R)
• M18: 21,675,983 km (0.098 R)
• M19: 25,680,120 km (0.067 R)
• M20: 30,260,208 km (0.031 R)
• M21: 30,590,969 km (0.07 R)
• M22: 35,968,863 km (0.081 R)
• M23: 41,670,936 km (0.095 R)
• M24: 41,807,070 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.9

Radius: 3.5

Gravity: 55.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.17 AU - 8.85 AU

Year: 15935 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,211,511 km

• M1: 48,320 km (0.071 R)
• M2: 183,257 km (0.108 R)
• M3: 699,520 km (0.094 R)
• M4: 845,826 km (0.116 R)
• M5: 1,310,477 km (0.117 R)
• M6: 2,834,281 km (0.101 R)
• M7: 3,421,453 km (0.077 R)
• M8: 3,964,344 km (0.102 R)
• M9: 4,209,385 km (0.09 R)
• M10: 4,367,510 km (0.075 R)
• M11: 4,763,495 km (0.048 R)
• M12: 5,075,706 km (0.041 R)
• M13: 5,218,722 km (0.081 R)
• M14: 6,094,468 km (0.08 R)
• M15: 7,938,261 km (0.111 R)
• M16: 9,679,431 km (0.101 R)
• M17: 10,696,846 km (0.058 R)
• M18: 12,612,746 km (0.097 R)
• M19: 12,941,861 km (0.11 R)
• M20: 14,818,118 km (0.093 R)
• M21: 15,481,734 km (0.096 R)
• M22: 15,707,328 km (0.093 R)
• M23: 17,347,967 km (0.083 R)
• M24: 19,099,459 km (0.115 R)
• M25: 21,613,302 km (0.07 R)
• M26: 23,046,450 km (0.042 R)
• M27: 23,736,545 km (0.095 R)
• M28: 33,746,886 km (0.075 R)
• M29: 38,623,627 km (0.06 R)
• M30: 40,585,005 km (0.076 R)
• M31: 41,157,366 km (0.094 R)
• M32: 42,758,961 km (0.086 R)
• M33: 43,799,564 km (0.088 R)
• M34: 48,611,230 km (0.091 R)
• M35: 49,744,434 km (0.031 R)
• M36: 58,355,437 km (0.08 R)
• M37: 63,393,594 km (0.074 R)
• M38: 64,357,303 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.2

Radius: 3

Gravity: 69.47 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.77 AU - 10.11 AU

Year: 20388 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,211,511 km

• M1: 38,447 km (0.088 R)
• M2: 183,257 km (0.11 R)
• M3: 525,986 km (0.085 R)
• M4: 865,872 km (0.09 R)
• M5: 1,006,943 km (0.118 R)
• M6: 1,122,732 km (0.105 R)
• M7: 2,626,041 km (0.109 R)
• M8: 3,132,280 km (0.093 R)
• M9: 3,640,913 km (0.1 R)
• M10: 4,503,793 km (0.089 R)
• M11: 4,855,348 km (0.09 R)
• M12: 5,533,775 km (0.096 R)
• M13: 5,773,281 km (0.114 R)
• M14: 7,994,660 km (0.06 R)
• M15: 8,828,070 km (0.038 R)
• M16: 9,045,136 km (0.088 R)
• M17: 9,321,443 km (0.045 R)
• M18: 9,433,492 km (0.118 R)
• M19: 11,672,823 km (0.099 R)
• M20: 15,305,358 km (0.096 R)
• M21: 15,539,778 km (0.055 R)
• M22: 18,899,297 km (0.046 R)
• M23: 19,441,590 km (0.096 R)
• M24: 20,180,753 km (0.074 R)
• M25: 22,010,933 km (0.047 R)
• M26: 24,053,692 km (0.105 R)
• M27: 26,108,120 km (0.059 R)
• M28: 26,893,658 km (0.06 R)
• M29: 28,393,825 km (0.099 R)
• M30: 32,194,509 km (0.083 R)
• M31: 43,694,546 km (0.054 R)
• M32: 49,410,531 km (0.092 R)
• M33: 50,093,894 km (0.104 R)
• M34: 52,535,182 km (0.119 R)
• M35: 53,426,037 km (0.116 R)
• M36: 55,604,930 km (0.113 R)
• M37: 56,716,293 km (0.104 R)
• M38: 58,410,788 km (0.049 R)
• M39: 60,138,942 km (0.107 R)
• M40: 61,309,695 km (0.103 R)
• M41: 69,079,360 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.8

Radius: 4.1

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.2 AU - 12.54 AU

Year: 23473 Days

Day: 18.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,211,511 km

• M1: 51,013 km (0.107 R)
• M2: 244,443 km (0.092 R)
• M3: 778,059 km (0.034 R)
• M4: 965,056 km (0.062 R)
• M5: 1,234,182 km (0.051 R)
• M6: 1,663,080 km (0.051 R)
• M7: 2,264,613 km (0.101 R)
• M8: 2,430,068 km (0.107 R)
• M9: 2,559,320 km (0.061 R)
• M10: 2,762,025 km (0.117 R)
• M11: 5,167,559 km (0.067 R)
• M12: 6,062,005 km (0.057 R)
• M13: 8,200,058 km (0.092 R)
• M14: 8,492,222 km (0.054 R)
• M15: 11,202,936 km (0.073 R)
• M16: 12,559,489 km (0.102 R)
• M17: 16,042,427 km (0.079 R)
• M18: 16,193,670 km (0.112 R)
• M19: 20,738,753 km (0.114 R)
• M20: 21,280,746 km (0.095 R)
• M21: 22,963,423 km (0.074 R)
• M22: 23,837,224 km (0.111 R)
• M23: 25,547,576 km (0.095 R)
• M24: 28,208,773 km (0.111 R)
• M25: 30,350,715 km (0.042 R)
• M26: 32,356,972 km (0.037 R)
• M27: 37,422,655 km (0.076 R)
• M28: 37,555,648 km (0.098 R)
• M29: 47,202,915 km (0.111 R)
• M30: 49,567,908 km (0.063 R)
• M31: 50,050,212 km (0.077 R)
• M32: 59,456,028 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 19,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit