🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 9.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,865,091 km

• M1: 120,725 km (0.103 R)
• M2: 500,255 km (0.098 R)
• M3: 1,117,496 km (0.11 R)
• M4: 1,449,903 km (0.089 R)
• M5: 1,791,734 km (0.038 R)
• M6: 3,157,712 km (0.028 R)
• M7: 3,751,615 km (0.085 R)
• M8: 4,579,789 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 13.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.18 AU - 1.44 AU

Year: 1017 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,865,091 km

• M1: 166,802 km (0.078 R)
• M2: 849,118 km (0.052 R)
• M3: 1,643,482 km (0.089 R)
• M4: 2,110,976 km (0.111 R)
• M5: 2,635,017 km (0.056 R)
• M6: 3,096,826 km (0.071 R)
• M7: 3,764,481 km (0.113 R)
• M8: 4,936,879 km (0.056 R)
• M9: 5,371,760 km (0.049 R)
• M10: 6,420,142 km (0.06 R)
• M11: 7,830,102 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 13.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.37 AU - 4.29 AU

Year: 5084 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,865,091 km

• M1: 166,802 km (0.089 R)
• M2: 603,029 km (0.064 R)
• M3: 1,170,753 km (0.088 R)
• M4: 2,736,295 km (0.101 R)
• M5: 3,156,515 km (0.052 R)
• M6: 10,841,956 km (0.069 R)
• M7: 11,572,442 km (0.1 R)
• M8: 12,034,700 km (0.082 R)
• M9: 13,267,536 km (0.096 R)
• M10: 15,727,224 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 12.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.39 AU - 4.99 AU

Year: 5817 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,865,091 km

• M1: 159,771 km (0.102 R)
• M2: 935,136 km (0.097 R)
• M3: 1,610,571 km (0.079 R)
• M4: 2,793,441 km (0.114 R)
• M5: 4,756,464 km (0.09 R)
• M6: 6,996,244 km (0.114 R)
• M7: 8,214,868 km (0.114 R)
• M8: 10,359,353 km (0.114 R)
• M9: 10,789,746 km (0.1 R)
• M10: 11,561,372 km (0.111 R)
• M11: 12,456,566 km (0.118 R)
• M12: 19,001,174 km (0.054 R)
• M13: 20,613,539 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.1

Radius: 6.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.16 AU - 6.38 AU

Year: 9401 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,865,091 km

• M1: 84,972 km (0.092 R)
• M2: 313,557 km (0.032 R)
• M3: 712,983 km (0.115 R)
• M4: 1,204,712 km (0.073 R)
• M5: 1,700,329 km (0.117 R)
• M6: 2,061,309 km (0.094 R)
• M7: 2,557,376 km (0.103 R)
• M8: 3,210,071 km (0.114 R)
• M9: 4,086,116 km (0.085 R)
• M10: 4,303,332 km (0.083 R)
• M11: 4,975,176 km (0.053 R)
• M12: 6,048,840 km (0.062 R)
• M13: 6,299,866 km (0.096 R)
• M14: 6,689,568 km (0.116 R)
• M15: 7,026,462 km (0.089 R)
• M16: 7,517,143 km (0.116 R)
• M17: 8,105,661 km (0.096 R)
• M18: 8,724,398 km (0.102 R)
• M19: 9,796,267 km (0.116 R)
• M20: 10,012,137 km (0.097 R)
• M21: 10,363,991 km (0.095 R)
• M22: 10,953,406 km (0.088 R)
• M23: 11,327,102 km (0.092 R)
• M24: 12,248,774 km (0.074 R)
• M25: 12,907,454 km (0.104 R)
• M26: 13,430,149 km (0.114 R)
• M27: 18,786,351 km (0.068 R)
• M28: 19,186,974 km (0.091 R)
• M29: 20,918,420 km (0.062 R)
• M30: 21,858,642 km (0.114 R)
• M31: 22,302,051 km (0.119 R)
• M32: 26,901,886 km (0.099 R)
• M33: 27,582,257 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.7

Radius: 6.2

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.52 AU - 9.12 AU

Year: 16277 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,865,091 km

• M1: 80,035 km (0.077 R)
• M2: 517,758 km (0.047 R)
• M3: 786,286 km (0.073 R)
• M4: 1,235,678 km (0.12 R)
• M5: 1,458,579 km (0.035 R)
• M6: 2,502,623 km (0.102 R)
• M7: 2,957,849 km (0.104 R)
• M8: 3,770,315 km (0.107 R)
• M9: 4,031,962 km (0.079 R)
• M10: 4,463,103 km (0.093 R)
• M11: 4,756,016 km (0.118 R)
• M12: 5,061,794 km (0.064 R)
• M13: 6,665,782 km (0.063 R)
• M14: 8,831,361 km (0.082 R)
• M15: 9,137,887 km (0.108 R)
• M16: 11,306,457 km (0.119 R)
• M17: 12,929,146 km (0.116 R)
• M18: 15,571,044 km (0.077 R)
• M19: 15,868,594 km (0.055 R)
• M20: 17,175,332 km (0.1 R)
• M21: 17,814,414 km (0.04 R)
• M22: 20,441,352 km (0.086 R)
• M23: 21,800,599 km (0.118 R)
• M24: 23,509,754 km (0.115 R)
• M25: 24,098,871 km (0.086 R)
• M26: 29,622,772 km (0.11 R)
• M27: 33,533,709 km (0.071 R)
• M28: 35,934,755 km (0.081 R)
• M29: 39,402,434 km (0.114 R)
• M30: 40,372,875 km (0.112 R)
• M31: 41,501,292 km (0.091 R)
• M32: 41,929,740 km (0.068 R)
• M33: 44,116,711 km (0.111 R)
• M34: 45,162,999 km (0.118 R)
• M35: 51,295,913 km (0.037 R)
• M36: 61,408,131 km (0.12 R)
• M37: 61,964,485 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.2

Radius: 6.2

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.05 AU - 11.41 AU

Year: 19019 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,865,091 km

• M1: 77,193 km (0.102 R)
• M2: 709,842 km (0.12 R)
• M3: 2,153,910 km (0.067 R)
• M4: 2,480,183 km (0.119 R)
• M5: 3,946,691 km (0.092 R)
• M6: 4,156,128 km (0.112 R)
• M7: 4,897,086 km (0.036 R)
• M8: 5,462,117 km (0.102 R)
• M9: 5,760,565 km (0.102 R)
• M10: 6,188,565 km (0.086 R)
• M11: 6,471,903 km (0.084 R)
• M12: 6,806,254 km (0.091 R)
• M13: 8,211,577 km (0.069 R)
• M14: 9,637,992 km (0.116 R)
• M15: 10,353,519 km (0.107 R)
• M16: 11,222,234 km (0.071 R)
• M17: 14,968,913 km (0.113 R)
• M18: 17,479,913 km (0.058 R)
• M19: 18,877,007 km (0.11 R)
• M20: 19,301,716 km (0.054 R)
• M21: 19,559,473 km (0.085 R)
• M22: 20,613,988 km (0.102 R)
• M23: 21,337,743 km (0.104 R)
• M24: 23,610,434 km (0.106 R)
• M25: 23,905,291 km (0.097 R)
• M26: 28,741,940 km (0.059 R)
• M27: 31,034,078 km (0.075 R)
• M28: 32,466,328 km (0.114 R)
• M29: 37,825,971 km (0.105 R)
• M30: 38,229,885 km (0.107 R)
• M31: 38,636,792 km (0.099 R)
• M32: 39,459,131 km (0.071 R)
• M33: 39,735,738 km (0.105 R)
• M34: 41,138,666 km (0.064 R)
• M35: 42,429,247 km (0.114 R)
• M36: 43,157,789 km (0.104 R)
• M37: 46,616,641 km (0.108 R)
• M38: 50,907,557 km (0.094 R)
• M39: 53,232,757 km (0.074 R)
• M40: 59,172,690 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 14,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit