🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 8.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,206,239 km

• M1: 109,506 km (0.087 R)
• M2: 1,140,983 km (0.069 R)
• M3: 1,453,343 km (0.119 R)
• M4: 1,845,888 km (0.067 R)
• M5: 2,724,327 km (0.094 R)
• M6: 3,794,700 km (0.118 R)
• M7: 4,376,336 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 12.6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.53 AU - 2.53 AU

Year: 1897 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,206,239 km

• M1: 156,629 km (0.11 R)
• M2: 653,443 km (0.089 R)
• M3: 1,065,286 km (0.105 R)
• M4: 1,491,192 km (0.061 R)
• M5: 2,371,575 km (0.036 R)
• M6: 2,852,831 km (0.063 R)
• M7: 3,348,150 km (0.112 R)
• M8: 4,329,362 km (0.091 R)
• M9: 4,767,983 km (0.116 R)
• M10: 5,213,187 km (0.093 R)
• M11: 7,137,015 km (0.09 R)
• M12: 7,781,932 km (0.07 R)
• M13: 8,953,881 km (0.101 R)
• M14: 9,810,180 km (0.069 R)
• M15: 12,457,912 km (0.088 R)
• M16: 13,220,413 km (0.083 R)
• M17: 14,330,578 km (0.056 R)
• M18: 15,695,360 km (0.108 R)
• M19: 17,299,797 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.19 AU - 2.51 AU

Year: 2363 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,206,239 km

• M1: 139,425 km (0.07 R)
• M2: 616,044 km (0.077 R)
• M3: 1,062,294 km (0.098 R)
• M4: 1,453,194 km (0.088 R)
• M5: 1,747,602 km (0.04 R)
• M6: 2,045,751 km (0.118 R)
• M7: 2,658,055 km (0.054 R)
• M8: 3,492,063 km (0.092 R)
• M9: 4,027,773 km (0.067 R)
• M10: 4,746,292 km (0.042 R)
• M11: 5,842,246 km (0.088 R)
• M12: 6,199,186 km (0.092 R)
• M13: 6,679,545 km (0.073 R)
• M14: 10,392,863 km (0.088 R)
• M15: 11,382,154 km (0.082 R)
• M16: 11,859,521 km (0.107 R)
• M17: 13,241,057 km (0.036 R)
• M18: 14,726,863 km (0.074 R)
• M19: 15,485,923 km (0.099 R)
• M20: 15,875,176 km (0.074 R)
• M21: 17,445,356 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 11.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.57 AU - 3.93 AU

Year: 3844 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,206,239 km

• M1: 141,819 km (0.085 R)
• M2: 497,862 km (0.076 R)
• M3: 1,021,305 km (0.085 R)
• M4: 1,444,068 km (0.047 R)
• M5: 2,231,103 km (0.066 R)
• M6: 2,729,413 km (0.075 R)
• M7: 4,773,369 km (0.057 R)
• M8: 7,864,809 km (0.076 R)
• M9: 10,410,067 km (0.111 R)
• M10: 13,727,998 km (0.082 R)
• M11: 16,195,465 km (0.116 R)
• M12: 17,218,865 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 14

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.15 AU - 4.21 AU

Year: 5606 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,206,239 km

• M1: 174,132 km (0.061 R)
• M2: 637,586 km (0.099 R)
• M3: 1,708,408 km (0.119 R)
• M4: 2,164,681 km (0.097 R)
• M5: 2,737,043 km (0.089 R)
• M6: 3,609,797 km (0.118 R)
• M7: 4,636,636 km (0.059 R)
• M8: 5,793,477 km (0.111 R)
• M9: 6,593,676 km (0.11 R)
• M10: 7,299,179 km (0.058 R)
• M11: 9,442,318 km (0.102 R)
• M12: 12,258,199 km (0.109 R)
• M13: 13,078,594 km (0.117 R)
• M14: 13,781,405 km (0.062 R)
• M15: 14,509,348 km (0.071 R)
• M16: 17,260,602 km (0.112 R)
• M17: 20,409,637 km (0.117 R)
• M18: 22,331,372 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.1

Radius: 3.4

Gravity: 39.97 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.74 AU - 9.24 AU

Year: 14816 Days

Day: 17.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,206,239 km

• M1: 42,486 km (0.116 R)
• M2: 393,592 km (0.111 R)
• M3: 547,827 km (0.115 R)
• M4: 715,227 km (0.045 R)
• M5: 845,078 km (0.091 R)
• M6: 1,081,443 km (0.097 R)
• M7: 1,458,130 km (0.109 R)
• M8: 2,040,066 km (0.101 R)
• M9: 2,264,613 km (0.046 R)
• M10: 3,355,929 km (0.112 R)
• M11: 4,382,769 km (0.114 R)
• M12: 4,885,567 km (0.11 R)
• M13: 5,893,109 km (0.062 R)
• M14: 7,199,098 km (0.095 R)
• M15: 7,762,783 km (0.103 R)
• M16: 8,308,666 km (0.096 R)
• M17: 8,638,679 km (0.083 R)
• M18: 10,205,716 km (0.083 R)
• M19: 10,312,828 km (0.059 R)
• M20: 11,311,544 km (0.12 R)
• M21: 12,071,651 km (0.065 R)
• M22: 13,758,067 km (0.068 R)
• M23: 17,436,081 km (0.061 R)
• M24: 18,054,518 km (0.091 R)
• M25: 19,171,566 km (0.102 R)
• M26: 19,416,906 km (0.099 R)
• M27: 19,830,245 km (0.029 R)
• M28: 20,674,575 km (0.112 R)
• M29: 21,279,699 km (0.099 R)
• M30: 23,350,881 km (0.101 R)
• M31: 25,552,663 km (0.111 R)
• M32: 27,888,933 km (0.105 R)
• M33: 28,309,153 km (0.087 R)
• M34: 29,486,788 km (0.06 R)
• M35: 31,144,781 km (0.109 R)
• M36: 34,163,965 km (0.079 R)
• M37: 38,140,276 km (0.104 R)
• M38: 38,398,632 km (0.036 R)
• M39: 39,840,157 km (0.114 R)
• M40: 40,105,992 km (0.095 R)
• M41: 43,249,642 km (0.116 R)
• M42: 49,100,714 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.4

Radius: 3.1

Gravity: 83.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.46 AU - 11.32 AU

Year: 18876 Days

Day: 20.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,206,239 km

• M1: 38,746 km (0.069 R)
• M2: 138,528 km (0.046 R)
• M3: 299,046 km (0.112 R)
• M4: 584,778 km (0.106 R)
• M5: 905,815 km (0.101 R)
• M6: 3,404,100 km (0.096 R)
• M7: 3,669,037 km (0.118 R)
• M8: 3,915,724 km (0.1 R)
• M9: 4,977,271 km (0.095 R)
• M10: 6,612,076 km (0.053 R)
• M11: 8,787,828 km (0.104 R)
• M12: 8,896,735 km (0.088 R)
• M13: 9,061,741 km (0.05 R)
• M14: 9,569,177 km (0.114 R)
• M15: 10,095,313 km (0.052 R)
• M16: 12,807,373 km (0.103 R)
• M17: 13,373,750 km (0.078 R)
• M18: 17,640,431 km (0.107 R)
• M19: 20,841,826 km (0.106 R)
• M20: 22,629,819 km (0.048 R)
• M21: 25,059,588 km (0.071 R)
• M22: 26,848,779 km (0.081 R)
• M23: 28,009,359 km (0.049 R)
• M24: 36,377,714 km (0.115 R)
• M25: 51,557,859 km (0.067 R)
• M26: 53,527,614 km (0.064 R)
• M27: 55,733,136 km (0.114 R)
• M28: 61,510,156 km (0.114 R)
• M29: 71,562,086 km (0.08 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: 361 - 15,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit