🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.8

Radius: 9.5

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.9 AU - 1.92 AU

Year: 1678 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,681,400 km

• M1: 118,182 km (0.078 R)
• M2: 503,696 km (0.089 R)
• M3: 810,072 km (0.098 R)
• M4: 1,357,152 km (0.028 R)
• M5: 1,751,342 km (0.113 R)
• M6: 2,099,457 km (0.073 R)
• M7: 2,702,037 km (0.092 R)
• M8: 3,154,421 km (0.04 R)
• M9: 3,927,542 km (0.088 R)
• M10: 4,348,960 km (0.081 R)
• M11: 5,489,494 km (0.109 R)
• M12: 6,345,044 km (0.07 R)
• M13: 6,818,521 km (0.069 R)
• M14: 8,412,487 km (0.052 R)
• M15: 8,822,834 km (0.098 R)
• M16: 10,029,640 km (0.09 R)
• M17: 10,419,492 km (0.079 R)
• M18: 11,154,167 km (0.096 R)
• M19: 11,688,680 km (0.066 R)
• M20: 12,563,080 km (0.093 R)
• M21: 14,352,569 km (0.068 R)
• M22: 14,757,082 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 12

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.23 AU - 2.59 AU

Year: 2379 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,681,400 km

• M1: 149,299 km (0.108 R)
• M2: 672,592 km (0.102 R)
• M3: 1,827,039 km (0.115 R)
• M4: 2,220,332 km (0.118 R)
• M5: 2,646,835 km (0.042 R)
• M6: 3,195,859 km (0.075 R)
• M7: 3,976,311 km (0.086 R)
• M8: 5,197,030 km (0.111 R)
• M9: 5,936,193 km (0.047 R)
• M10: 7,139,259 km (0.108 R)
• M11: 7,574,439 km (0.117 R)
• M12: 7,950,678 km (0.051 R)
• M13: 8,578,690 km (0.096 R)
• M14: 10,083,046 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.3

Radius: 8.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.09 AU - 2.93 AU

Year: 2528 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,681,400 km

• M1: 105,766 km (0.088 R)
• M2: 1,435,691 km (0.11 R)
• M3: 1,736,382 km (0.086 R)
• M4: 2,602,255 km (0.111 R)
• M5: 2,902,647 km (0.103 R)
• M6: 3,355,779 km (0.1 R)
• M7: 4,266,830 km (0.078 R)
• M8: 5,917,942 km (0.112 R)
• M9: 6,517,830 km (0.11 R)
• M10: 8,469,633 km (0.096 R)
• M11: 10,927,676 km (0.116 R)
• M12: 12,700,111 km (0.111 R)
• M13: 13,068,122 km (0.036 R)
• M14: 13,485,350 km (0.114 R)
• M15: 15,243,724 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 11.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.25 AU - 2.93 AU

Year: 2650 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,681,400 km

• M1: 140,024 km (0.08 R)
• M2: 519,254 km (0.055 R)
• M3: 939,475 km (0.078 R)
• M4: 1,530,835 km (0.071 R)
• M5: 2,372,323 km (0.1 R)
• M6: 2,804,511 km (0.098 R)
• M7: 3,606,505 km (0.099 R)
• M8: 4,081,479 km (0.093 R)
• M9: 4,728,190 km (0.087 R)
• M10: 5,466,157 km (0.102 R)
• M11: 7,055,484 km (0.06 R)
• M12: 8,665,008 km (0.035 R)
• M13: 10,966,422 km (0.071 R)
• M14: 12,426,347 km (0.092 R)
• M15: 12,810,814 km (0.109 R)
• M16: 13,648,562 km (0.036 R)
• M17: 15,045,058 km (0.051 R)
• M18: 16,792,361 km (0.075 R)
• M19: 18,284,450 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 13.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.86 AU - 4.1 AU

Year: 4128 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,681,400 km

• M1: 164,109 km (0.12 R)
• M2: 669,600 km (0.09 R)
• M3: 1,202,916 km (0.085 R)
• M4: 1,716,486 km (0.119 R)
• M5: 2,304,555 km (0.12 R)
• M6: 3,272,603 km (0.067 R)
• M7: 3,689,831 km (0.087 R)
• M8: 4,186,048 km (0.039 R)
• M9: 4,868,812 km (0.091 R)
• M10: 5,441,772 km (0.106 R)
• M11: 6,003,961 km (0.08 R)
• M12: 8,650,946 km (0.064 R)
• M13: 10,112,517 km (0.064 R)
• M14: 11,006,514 km (0.026 R)
• M15: 12,309,810 km (0.093 R)
• M16: 15,430,572 km (0.051 R)
• M17: 16,781,590 km (0.095 R)
• M18: 19,471,509 km (0.113 R)
• M19: 20,790,364 km (0.066 R)
• M20: 21,308,122 km (0.104 R)
• M21: 22,844,792 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 3.4

Gravity: 70.41 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.01 AU - 8.53 AU

Year: 13771 Days

Day: 20.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,681,400 km

• M1: 45,777 km (0.049 R)
• M2: 180,265 km (0.043 R)
• M3: 402,418 km (0.108 R)
• M4: 738,714 km (0.067 R)
• M5: 1,146,069 km (0.03 R)
• M6: 1,264,700 km (0.105 R)
• M7: 1,480,720 km (0.04 R)
• M8: 2,178,145 km (0.067 R)
• M9: 3,171,924 km (0.03 R)
• M10: 3,434,019 km (0.117 R)
• M11: 4,001,294 km (0.065 R)
• M12: 4,152,388 km (0.061 R)
• M13: 5,957,586 km (0.113 R)
• M14: 6,114,963 km (0.104 R)
• M15: 6,857,866 km (0.048 R)
• M16: 7,845,062 km (0.089 R)
• M17: 8,669,945 km (0.076 R)
• M18: 10,952,808 km (0.08 R)
• M19: 15,894,774 km (0.071 R)
• M20: 16,197,560 km (0.095 R)
• M21: 16,659,219 km (0.055 R)
• M22: 16,971,729 km (0.11 R)
• M23: 17,288,128 km (0.093 R)
• M24: 17,851,364 km (0.072 R)
• M25: 19,700,992 km (0.093 R)
• M26: 20,226,679 km (0.088 R)
• M27: 21,123,668 km (0.096 R)
• M28: 23,189,615 km (0.07 R)
• M29: 23,677,304 km (0.068 R)
• M30: 31,358,107 km (0.084 R)
• M31: 32,679,505 km (0.061 R)
• M32: 35,176,144 km (0.112 R)
• M33: 39,154,999 km (0.045 R)
• M34: 40,545,212 km (0.089 R)
• M35: 44,163,685 km (0.114 R)
• M36: 44,761,927 km (0.073 R)
• M37: 46,281,243 km (0.083 R)
• M38: 58,606,013 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.2

Radius: 7.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.46 AU - 9.08 AU

Year: 13771 Days

Day: 23.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,681,400 km

• M1: 91,404 km (0.111 R)
• M2: 347,516 km (0.06 R)
• M3: 1,191,098 km (0.092 R)
• M4: 1,685,519 km (0.091 R)
• M5: 2,198,790 km (0.112 R)
• M6: 2,965,030 km (0.077 R)
• M7: 3,288,460 km (0.046 R)
• M8: 4,144,609 km (0.118 R)
• M9: 6,824,954 km (0.106 R)
• M10: 7,642,058 km (0.077 R)
• M11: 8,477,113 km (0.064 R)
• M12: 9,968,005 km (0.053 R)
• M13: 10,275,728 km (0.087 R)
• M14: 11,236,595 km (0.057 R)
• M15: 11,513,800 km (0.062 R)
• M16: 12,848,512 km (0.088 R)
• M17: 16,882,569 km (0.119 R)
• M18: 18,988,757 km (0.036 R)
• M19: 21,518,008 km (0.116 R)
• M20: 21,774,120 km (0.112 R)
• M21: 22,292,327 km (0.097 R)
• M22: 24,263,428 km (0.111 R)
• M23: 24,540,932 km (0.06 R)
• M24: 27,734,697 km (0.104 R)
• M25: 30,977,530 km (0.099 R)
• M26: 39,466,910 km (0.097 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: 465 - 10,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit