🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.1

Radius: 12.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.64 AU - 0.94 AU

Year: 453 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,158,647 km

• M1: 157,975 km (0.077 R)
• M2: 557,402 km (0.111 R)
• M3: 1,020,257 km (0.058 R)
• M4: 1,904,082 km (0.045 R)
• M5: 2,646,087 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 12.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.79 AU - 2.27 AU

Year: 1867 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,158,647 km

• M1: 156,629 km (0.106 R)
• M2: 592,408 km (0.113 R)
• M3: 1,143,676 km (0.077 R)
• M4: 1,554,023 km (0.064 R)
• M5: 2,064,750 km (0.087 R)
• M6: 2,949,472 km (0.06 R)
• M7: 3,560,280 km (0.093 R)
• M8: 4,328,315 km (0.07 R)
• M9: 5,396,893 km (0.109 R)
• M10: 5,797,516 km (0.082 R)
• M11: 8,606,665 km (0.025 R)
• M12: 9,343,733 km (0.108 R)
• M13: 10,089,180 km (0.094 R)
• M14: 10,803,958 km (0.036 R)
• M15: 12,836,993 km (0.115 R)
• M16: 13,272,473 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 13.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.77 AU - 2.33 AU

Year: 1895 Days

Day: 6.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 161.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,158,647 km

• M1: 162,912 km (0.111 R)
• M2: 688,449 km (0.044 R)
• M3: 1,303,446 km (0.116 R)
• M4: 2,406,282 km (0.12 R)
• M5: 3,006,917 km (0.109 R)
• M6: 3,457,207 km (0.071 R)
• M7: 4,072,503 km (0.107 R)
• M8: 5,655,697 km (0.057 R)
• M9: 6,204,572 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 14.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.9 AU - 2.92 AU

Year: 3205 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,158,647 km

• M1: 181,612 km (0.104 R)
• M2: 774,767 km (0.092 R)
• M3: 1,346,830 km (0.081 R)
• M4: 2,043,806 km (0.027 R)
• M5: 3,348,449 km (0.08 R)
• M6: 4,353,747 km (0.092 R)
• M7: 4,839,641 km (0.102 R)
• M8: 7,449,974 km (0.081 R)
• M9: 9,058,600 km (0.076 R)
• M10: 9,855,657 km (0.052 R)
• M11: 13,653,498 km (0.076 R)
• M12: 16,400,415 km (0.117 R)
• M13: 16,857,436 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.4

Radius: 3

Gravity: 48.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.56 AU - 8.92 AU

Year: 12578 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,158,647 km

• M1: 37,399 km (0.12 R)
• M2: 142,567 km (0.031 R)
• M3: 326,123 km (0.094 R)
• M4: 759,359 km (0.052 R)
• M5: 1,089,072 km (0.089 R)
• M6: 1,622,090 km (0.063 R)
• M7: 1,743,563 km (0.089 R)
• M8: 3,689,383 km (0.1 R)
• M9: 4,008,325 km (0.087 R)
• M10: 4,885,717 km (0.068 R)
• M11: 5,813,224 km (0.116 R)
• M12: 7,708,180 km (0.117 R)
• M13: 8,008,722 km (0.116 R)
• M14: 8,183,901 km (0.09 R)
• M15: 12,538,396 km (0.076 R)
• M16: 13,624,776 km (0.097 R)
• M17: 14,318,760 km (0.101 R)
• M18: 17,697,727 km (0.108 R)
• M19: 18,219,973 km (0.092 R)
• M20: 19,531,199 km (0.1 R)
• M21: 25,974,080 km (0.101 R)
• M22: 27,038,618 km (0.083 R)
• M23: 28,638,268 km (0.114 R)
• M24: 30,939,233 km (0.069 R)
• M25: 31,154,205 km (0.067 R)
• M26: 34,156,485 km (0.081 R)
• M27: 39,074,964 km (0.097 R)
• M28: 40,727,871 km (0.073 R)
• M29: 41,899,072 km (0.089 R)
• M30: 44,581,661 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.2

Radius: 6.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.62 AU - 8.82 AU

Year: 16626 Days

Day: 16.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,158,647 km

• M1: 83,326 km (0.063 R)
• M2: 299,944 km (0.103 R)
• M3: 533,167 km (0.084 R)
• M4: 777,759 km (0.052 R)
• M5: 1,075,010 km (0.102 R)
• M6: 1,639,892 km (0.096 R)
• M7: 2,078,962 km (0.065 R)
• M8: 2,680,195 km (0.112 R)
• M9: 2,950,968 km (0.105 R)
• M10: 3,791,259 km (0.107 R)
• M11: 4,133,240 km (0.098 R)
• M12: 4,433,931 km (0.059 R)
• M13: 5,638,793 km (0.119 R)
• M14: 6,635,114 km (0.038 R)
• M15: 8,295,202 km (0.119 R)
• M16: 9,735,530 km (0.115 R)
• M17: 10,214,393 km (0.092 R)
• M18: 10,487,260 km (0.12 R)
• M19: 10,764,913 km (0.06 R)
• M20: 12,473,321 km (0.068 R)
• M21: 17,403,618 km (0.043 R)
• M22: 18,428,363 km (0.09 R)
• M23: 19,243,672 km (0.049 R)
• M24: 21,743,602 km (0.105 R)
• M25: 23,399,650 km (0.107 R)
• M26: 29,968,343 km (0.115 R)
• M27: 31,323,101 km (0.101 R)
• M28: 31,552,884 km (0.047 R)
• M29: 32,131,977 km (0.092 R)
• M30: 34,642,229 km (0.086 R)
• M31: 36,007,759 km (0.091 R)
• M32: 42,669,651 km (0.101 R)
• M33: 46,438,021 km (0.05 R)
• M34: 50,107,956 km (0.109 R)
• M35: 50,737,913 km (0.081 R)
• M36: 51,852,866 km (0.117 R)
• M37: 53,473,908 km (0.112 R)
• M38: 54,628,654 km (0.105 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: 269 - 15,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit