🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 11.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,493,890 km

• M1: 138,079 km (0.057 R)
• M2: 591,061 km (0.049 R)
• M3: 945,459 km (0.067 R)
• M4: 1,350,570 km (0.037 R)
• M5: 1,733,540 km (0.114 R)
• M6: 2,189,814 km (0.057 R)
• M7: 2,570,391 km (0.112 R)
• M8: 3,467,379 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 8.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.67 AU

Year: 323 Days

Day: 12.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,493,890 km

• M1: 102,026 km (0.095 R)
• M2: 442,211 km (0.088 R)
• M3: 869,164 km (0.06 R)
• M4: 1,346,680 km (0.115 R)
• M5: 1,611,319 km (0.093 R)
• M6: 2,494,544 km (0.098 R)
• M7: 3,091,889 km (0.119 R)
• M8: 3,451,073 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 14.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.51 AU - 3.99 AU

Year: 3974 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,493,890 km

• M1: 177,872 km (0.086 R)
• M2: 652,097 km (0.079 R)
• M3: 2,189,814 km (0.12 R)
• M4: 3,477,403 km (0.12 R)
• M5: 4,362,274 km (0.118 R)
• M6: 5,126,869 km (0.031 R)
• M7: 5,719,127 km (0.112 R)
• M8: 7,012,251 km (0.113 R)
• M9: 7,712,518 km (0.111 R)
• M10: 8,161,312 km (0.115 R)
• M11: 9,217,622 km (0.081 R)
• M12: 10,479,032 km (0.05 R)
• M13: 11,685,090 km (0.083 R)
• M14: 13,804,592 km (0.117 R)
• M15: 15,504,024 km (0.104 R)
• M16: 16,535,651 km (0.089 R)
• M17: 17,393,595 km (0.083 R)
• M18: 19,846,850 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 14

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.29 AU - 4.11 AU

Year: 4827 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,493,890 km

• M1: 174,132 km (0.102 R)
• M2: 663,915 km (0.029 R)
• M3: 1,646,773 km (0.113 R)
• M4: 2,108,881 km (0.079 R)
• M5: 2,985,226 km (0.078 R)
• M6: 3,894,182 km (0.04 R)
• M7: 5,862,890 km (0.077 R)
• M8: 6,507,208 km (0.077 R)
• M9: 7,348,696 km (0.116 R)
• M10: 8,459,610 km (0.112 R)
• M11: 9,570,673 km (0.108 R)
• M12: 11,955,563 km (0.106 R)
• M13: 12,511,020 km (0.118 R)
• M14: 13,353,854 km (0.059 R)
• M15: 14,761,570 km (0.093 R)
• M16: 15,401,400 km (0.072 R)
• M17: 16,317,837 km (0.04 R)
• M18: 16,789,519 km (0.11 R)
• M19: 17,760,409 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 10.1

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.53 AU - 4.33 AU

Year: 5284 Days

Day: 8.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,493,890 km

• M1: 131,347 km (0.107 R)
• M2: 492,027 km (0.11 R)
• M3: 883,375 km (0.073 R)
• M4: 1,521,410 km (0.075 R)
• M5: 1,850,376 km (0.088 R)
• M6: 2,637,560 km (0.066 R)
• M7: 4,032,859 km (0.097 R)
• M8: 4,513,368 km (0.093 R)
• M9: 5,408,861 km (0.056 R)
• M10: 7,255,347 km (0.114 R)
• M11: 7,737,800 km (0.105 R)
• M12: 8,202,152 km (0.102 R)
• M13: 8,603,374 km (0.087 R)
• M14: 9,017,460 km (0.077 R)
• M15: 11,389,783 km (0.077 R)
• M16: 12,093,492 km (0.116 R)
• M17: 12,879,479 km (0.055 R)
• M18: 14,093,316 km (0.112 R)
• M19: 15,624,450 km (0.115 R)
• M20: 19,223,476 km (0.109 R)
• M21: 19,646,838 km (0.071 R)
• M22: 20,004,377 km (0.098 R)
• M23: 20,732,320 km (0.095 R)
• M24: 24,065,959 km (0.034 R)
• M25: 25,477,116 km (0.076 R)
• M26: 26,505,900 km (0.102 R)
• M27: 30,041,048 km (0.081 R)
• M28: 32,167,881 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 13.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.69 AU - 5.97 AU

Year: 8346 Days

Day: 9.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,493,890 km

• M1: 170,392 km (0.071 R)
• M2: 639,232 km (0.084 R)
• M3: 1,509,143 km (0.119 R)
• M4: 1,960,181 km (0.103 R)
• M5: 4,441,411 km (0.105 R)
• M6: 5,038,007 km (0.118 R)
• M7: 6,068,288 km (0.096 R)
• M8: 6,540,419 km (0.092 R)
• M9: 7,115,772 km (0.105 R)
• M10: 8,236,560 km (0.11 R)
• M11: 10,985,869 km (0.043 R)
• M12: 13,673,993 km (0.118 R)
• M13: 14,361,545 km (0.072 R)
• M14: 15,941,747 km (0.099 R)
• M15: 16,986,689 km (0.061 R)
• M16: 19,290,346 km (0.047 R)
• M17: 23,522,320 km (0.114 R)
• M18: 24,876,181 km (0.052 R)
• M19: 25,807,129 km (0.077 R)
• M20: 26,472,540 km (0.113 R)
• M21: 31,455,795 km (0.058 R)
• M22: 33,209,680 km (0.035 R)
• M23: 33,658,175 km (0.114 R)
• M24: 36,672,721 km (0.034 R)
• M25: 37,635,384 km (0.084 R)
• M26: 39,360,397 km (0.053 R)
• M27: 43,500,667 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.6

Radius: 4

Gravity: 39.04 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.21 AU - 8.63 AU

Year: 12347 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,493,890 km

• M1: 49,816 km (0.081 R)
• M2: 233,821 km (0.058 R)
• M3: 544,686 km (0.056 R)
• M4: 779,405 km (0.092 R)
• M5: 1,055,563 km (0.076 R)
• M6: 2,077,017 km (0.115 R)
• M7: 2,522,519 km (0.051 R)
• M8: 2,713,257 km (0.112 R)
• M9: 3,171,475 km (0.107 R)
• M10: 4,037,647 km (0.065 R)
• M11: 5,217,974 km (0.11 R)
• M12: 5,598,551 km (0.091 R)
• M13: 7,521,183 km (0.109 R)
• M14: 7,651,482 km (0.101 R)
• M15: 7,916,570 km (0.085 R)
• M16: 8,325,720 km (0.098 R)
• M17: 8,512,119 km (0.094 R)
• M18: 8,893,145 km (0.102 R)
• M19: 10,585,545 km (0.104 R)
• M20: 11,536,090 km (0.082 R)
• M21: 13,669,505 km (0.053 R)
• M22: 14,457,587 km (0.104 R)
• M23: 15,206,175 km (0.066 R)
• M24: 15,908,836 km (0.119 R)
• M25: 17,378,635 km (0.107 R)
• M26: 19,997,645 km (0.093 R)
• M27: 24,543,924 km (0.075 R)
• M28: 25,607,416 km (0.101 R)
• M29: 36,844,160 km (0.102 R)
• M30: 39,401,386 km (0.106 R)
• M31: 39,926,774 km (0.108 R)
• M32: 41,125,651 km (0.058 R)
• M33: 46,598,690 km (0.038 R)
• M34: 50,814,358 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 10,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit