🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 13

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,788,183 km

• M1: 162,164 km (0.04 R)
• M2: 742,604 km (0.109 R)
• M3: 1,475,334 km (0.052 R)
• M4: 2,075,970 km (0.1 R)
• M5: 3,090,842 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 8.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.02 AU - 1.54 AU

Year: 966 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,788,183 km

• M1: 104,419 km (0.095 R)
• M2: 420,968 km (0.116 R)
• M3: 967,300 km (0.115 R)
• M4: 1,430,455 km (0.119 R)
• M5: 1,831,676 km (0.091 R)
• M6: 2,624,994 km (0.082 R)
• M7: 2,922,843 km (0.075 R)
• M8: 4,960,366 km (0.083 R)
• M9: 5,804,397 km (0.085 R)
• M10: 7,234,254 km (0.075 R)
• M11: 7,513,104 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 8.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.83 AU - 1.85 AU

Year: 1664 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,788,183 km

• M1: 103,223 km (0.045 R)
• M2: 393,143 km (0.09 R)
• M3: 978,520 km (0.115 R)
• M4: 1,494,333 km (0.046 R)
• M5: 2,027,201 km (0.09 R)
• M6: 3,158,460 km (0.084 R)
• M7: 3,611,592 km (0.09 R)
• M8: 4,357,188 km (0.052 R)
• M9: 5,150,804 km (0.051 R)
• M10: 6,478,336 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.8

Radius: 11.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.47 AU - 2.61 AU

Year: 2699 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,788,183 km

• M1: 148,102 km (0.1 R)
• M2: 520,601 km (0.071 R)
• M3: 986,897 km (0.06 R)
• M4: 1,849,778 km (0.111 R)
• M5: 2,387,881 km (0.059 R)
• M6: 3,028,758 km (0.117 R)
• M7: 3,879,073 km (0.091 R)
• M8: 4,566,625 km (0.066 R)
• M9: 5,944,421 km (0.119 R)
• M10: 6,349,233 km (0.103 R)
• M11: 6,801,467 km (0.114 R)
• M12: 9,109,164 km (0.081 R)
• M13: 10,595,718 km (0.051 R)
• M14: 11,854,734 km (0.062 R)
• M15: 13,301,943 km (0.103 R)
• M16: 13,856,353 km (0.073 R)
• M17: 14,330,130 km (0.032 R)
• M18: 15,260,030 km (0.116 R)
• M19: 16,703,201 km (0.101 R)
• M20: 18,348,478 km (0.118 R)
• M21: 19,210,461 km (0.098 R)
• M22: 19,621,855 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 11.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.31 AU - 2.99 AU

Year: 2877 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,788,183 km

• M1: 139,276 km (0.1 R)
• M2: 637,885 km (0.084 R)
• M3: 1,102,536 km (0.112 R)
• M4: 1,877,304 km (0.073 R)
• M5: 2,467,617 km (0.112 R)
• M6: 3,089,196 km (0.085 R)
• M7: 4,084,919 km (0.037 R)
• M8: 4,957,075 km (0.076 R)
• M9: 5,757,124 km (0.099 R)
• M10: 6,145,630 km (0.111 R)
• M11: 7,289,755 km (0.093 R)
• M12: 8,185,397 km (0.102 R)
• M13: 10,355,763 km (0.056 R)
• M14: 12,467,786 km (0.109 R)
• M15: 15,112,078 km (0.074 R)
• M16: 15,639,859 km (0.105 R)
• M17: 16,565,271 km (0.116 R)
• M18: 22,217,827 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 8.1

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.44 AU - 5.62 AU

Year: 7523 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,788,183 km

• M1: 100,829 km (0.099 R)
• M2: 418,575 km (0.081 R)
• M3: 670,946 km (0.11 R)
• M4: 1,452,296 km (0.049 R)
• M5: 2,568,446 km (0.089 R)
• M6: 3,440,003 km (0.113 R)
• M7: 4,606,418 km (0.113 R)
• M8: 5,465,708 km (0.094 R)
• M9: 8,220,852 km (0.109 R)
• M10: 8,727,390 km (0.086 R)
• M11: 9,990,146 km (0.089 R)
• M12: 10,469,457 km (0.116 R)
• M13: 11,267,861 km (0.096 R)
• M14: 12,431,433 km (0.08 R)
• M15: 12,985,843 km (0.071 R)
• M16: 14,565,597 km (0.055 R)
• M17: 14,871,674 km (0.039 R)
• M18: 15,623,553 km (0.084 R)
• M19: 19,545,261 km (0.12 R)
• M20: 21,219,860 km (0.112 R)
• M21: 21,772,025 km (0.096 R)
• M22: 25,113,593 km (0.102 R)
• M23: 26,540,757 km (0.103 R)
• M24: 26,814,371 km (0.083 R)
• M25: 28,021,327 km (0.089 R)
• M26: 28,974,265 km (0.117 R)
• M27: 33,318,587 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 4.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.71 AU - 7.71 AU

Year: 14276 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,788,183 km

• M1: 59,989 km (0.085 R)
• M2: 311,313 km (0.063 R)
• M3: 742,155 km (0.027 R)
• M4: 950,844 km (0.092 R)
• M5: 1,474,885 km (0.083 R)
• M6: 1,649,317 km (0.049 R)
• M7: 2,122,046 km (0.062 R)
• M8: 4,593,403 km (0.105 R)
• M9: 5,117,145 km (0.103 R)
• M10: 6,599,510 km (0.097 R)
• M11: 6,890,179 km (0.026 R)
• M12: 7,693,669 km (0.116 R)
• M13: 9,576,807 km (0.074 R)
• M14: 9,808,534 km (0.063 R)
• M15: 10,283,208 km (0.041 R)
• M16: 12,445,346 km (0.095 R)
• M17: 15,266,463 km (0.109 R)
• M18: 16,892,143 km (0.038 R)
• M19: 20,482,940 km (0.081 R)
• M20: 26,957,088 km (0.11 R)
• M21: 28,933,724 km (0.088 R)
• M22: 29,320,734 km (0.039 R)
• M23: 30,303,741 km (0.047 R)
• M24: 35,993,846 km (0.058 R)
• M25: 37,922,462 km (0.076 R)
• M26: 39,799,616 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.3

Radius: 3.1

Gravity: 101.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.36 AU - 9.04 AU

Year: 15659 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 72,788,183 km

• M1: 78,688 km (0.087 R)
• M2: 242,498 km (0.072 R)
• M3: 435,180 km (0.114 R)
• M4: 603,328 km (0.114 R)
• M5: 761,603 km (0.054 R)
• M6: 878,289 km (0.112 R)
• M7: 1,377,198 km (0.032 R)
• M8: 1,812,827 km (0.032 R)
• M9: 2,002,816 km (0.074 R)
• M10: 2,467,318 km (0.071 R)
• M11: 4,190,087 km (0.116 R)
• M12: 4,320,835 km (0.069 R)
• M13: 4,764,692 km (0.066 R)
• M14: 5,351,864 km (0.116 R)
• M15: 6,235,688 km (0.045 R)
• M16: 9,860,145 km (0.1 R)
• M17: 10,033,529 km (0.072 R)
• M18: 10,505,660 km (0.104 R)
• M19: 10,992,302 km (0.111 R)
• M20: 12,408,246 km (0.062 R)
• M21: 12,542,734 km (0.073 R)
• M22: 14,979,833 km (0.078 R)
• M23: 17,460,914 km (0.083 R)
• M24: 18,316,165 km (0.073 R)
• M25: 24,145,844 km (0.053 R)
• M26: 25,966,600 km (0.06 R)
• M27: 28,924,898 km (0.077 R)
• M28: 29,999,160 km (0.099 R)
• M29: 31,973,852 km (0.107 R)
• M30: 32,100,113 km (0.101 R)
• M31: 33,510,671 km (0.114 R)
• M32: 34,695,037 km (0.092 R)
• M33: 35,364,937 km (0.087 R)
• M34: 35,906,930 km (0.061 R)
• M35: 39,711,802 km (0.03 R)
• M36: 42,240,156 km (0.104 R)
• M37: 44,401,246 km (0.109 R)
• M38: 55,404,619 km (0.068 R)
• M39: 56,319,110 km (0.1 R)
• M40: 60,463,271 km (0.11 R)
• M41: 61,432,665 km (0.086 R)
• M42: 67,883,026 km (0.044 R)
• M43: 68,509,990 km (0.1 R)
• M44: 72,135,345 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 14,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit