🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 8.1

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.95 AU - 0.99 AU

Year: 617 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,276,886 km

• M1: 100,679 km (0.07 R)
• M2: 360,680 km (0.112 R)
• M3: 631,453 km (0.093 R)
• M4: 909,705 km (0.113 R)
• M5: 1,187,957 km (0.084 R)
• M6: 1,727,257 km (0.092 R)
• M7: 2,067,293 km (0.04 R)
• M8: 2,859,862 km (0.115 R)
• M9: 3,325,561 km (0.059 R)
• M10: 3,700,453 km (0.094 R)
• M11: 4,118,130 km (0.093 R)
• M12: 4,503,195 km (0.112 R)
• M13: 5,309,976 km (0.081 R)
• M14: 5,562,498 km (0.069 R)
• M15: 6,150,567 km (0.082 R)
• M16: 7,055,634 km (0.111 R)
• M17: 7,495,302 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.81 AU - 1.15 AU

Year: 626 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,276,886 km

• M1: 161,715 km (0.039 R)
• M2: 655,538 km (0.077 R)
• M3: 1,126,322 km (0.076 R)
• M4: 1,537,567 km (0.09 R)
• M5: 1,964,968 km (0.061 R)
• M6: 2,828,896 km (0.091 R)
• M7: 3,264,226 km (0.077 R)
• M8: 5,088,572 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 12.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.17 AU - 1.19 AU

Year: 828 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,276,886 km

• M1: 154,684 km (0.075 R)
• M2: 686,505 km (0.083 R)
• M3: 1,178,981 km (0.086 R)
• M4: 1,665,772 km (0.073 R)
• M5: 2,882,302 km (0.112 R)
• M6: 3,651,684 km (0.026 R)
• M7: 4,587,269 km (0.08 R)
• M8: 4,985,947 km (0.112 R)
• M9: 7,986,432 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 10.7

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.06 AU - 3.46 AU

Year: 3801 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,276,886 km

• M1: 134,638 km (0.071 R)
• M2: 502,948 km (0.104 R)
• M3: 855,550 km (0.113 R)
• M4: 1,234,182 km (0.103 R)
• M5: 1,702,274 km (0.102 R)
• M6: 2,073,875 km (0.103 R)
• M7: 2,579,217 km (0.104 R)
• M8: 3,055,985 km (0.066 R)
• M9: 3,570,602 km (0.034 R)
• M10: 3,945,345 km (0.062 R)
• M11: 4,749,882 km (0.12 R)
• M12: 5,204,660 km (0.118 R)
• M13: 7,321,170 km (0.101 R)
• M14: 7,756,949 km (0.08 R)
• M15: 8,979,463 km (0.093 R)
• M16: 9,440,224 km (0.103 R)
• M17: 10,534,981 km (0.101 R)
• M18: 11,354,628 km (0.075 R)
• M19: 12,639,374 km (0.057 R)
• M20: 13,515,120 km (0.106 R)
• M21: 18,022,803 km (0.048 R)
• M22: 19,702,788 km (0.076 R)
• M23: 20,680,110 km (0.097 R)
• M24: 21,012,966 km (0.08 R)
• M25: 22,171,452 km (0.091 R)
• M26: 24,024,820 km (0.058 R)
• M27: 25,443,007 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.4

Radius: 6.1

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.04 AU - 8.2 AU

Year: 12267 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,276,886 km

• M1: 75,846 km (0.094 R)
• M2: 303,534 km (0.073 R)
• M3: 809,175 km (0.081 R)
• M4: 1,068,877 km (0.098 R)
• M5: 1,501,514 km (0.109 R)
• M6: 1,866,084 km (0.098 R)
• M7: 3,439,105 km (0.09 R)
• M8: 3,785,125 km (0.115 R)
• M9: 4,403,713 km (0.099 R)
• M10: 4,604,622 km (0.102 R)
• M11: 5,373,406 km (0.043 R)
• M12: 7,685,441 km (0.119 R)
• M13: 11,480,889 km (0.118 R)
• M14: 15,891,483 km (0.049 R)
• M15: 17,271,972 km (0.113 R)
• M16: 18,655,752 km (0.11 R)
• M17: 19,877,069 km (0.061 R)
• M18: 22,225,008 km (0.061 R)
• M19: 23,684,036 km (0.072 R)
• M20: 24,036,339 km (0.034 R)
• M21: 25,943,861 km (0.052 R)
• M22: 31,307,842 km (0.111 R)
• M23: 36,306,506 km (0.114 R)
• M24: 37,724,095 km (0.092 R)
• M25: 39,794,829 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.9

Radius: 3.8

Gravity: 21.53 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.01 AU - 7.51 AU

Year: 12630 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,276,886 km

• M1: 48,320 km (0.094 R)
• M2: 285,732 km (0.095 R)
• M3: 649,105 km (0.067 R)
• M4: 802,892 km (0.109 R)
• M5: 991,086 km (0.065 R)
• M6: 1,922,482 km (0.095 R)
• M7: 2,903,395 km (0.084 R)
• M8: 3,684,745 km (0.086 R)
• M9: 4,314,552 km (0.115 R)
• M10: 5,617,400 km (0.075 R)
• M11: 6,057,816 km (0.064 R)
• M12: 7,239,490 km (0.092 R)
• M13: 8,220,852 km (0.061 R)
• M14: 8,967,495 km (0.029 R)
• M15: 12,577,291 km (0.06 R)
• M16: 14,857,612 km (0.097 R)
• M17: 15,961,494 km (0.076 R)
• M18: 18,846,489 km (0.076 R)
• M19: 20,138,117 km (0.058 R)
• M20: 20,924,853 km (0.101 R)
• M21: 23,151,168 km (0.037 R)
• M22: 26,172,746 km (0.113 R)
• M23: 26,731,793 km (0.083 R)
• M24: 27,585,399 km (0.045 R)
• M25: 29,849,114 km (0.044 R)
• M26: 37,143,057 km (0.096 R)
• M27: 38,086,122 km (0.064 R)
• M28: 42,784,393 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.3

Radius: 6.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.59 AU - 13.73 AU

Year: 24072 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,276,886 km

• M1: 217,814 km (0.094 R)
• M2: 1,274,723 km (0.096 R)
• M3: 1,641,986 km (0.119 R)
• M4: 7,528,363 km (0.08 R)
• M5: 11,298,080 km (0.094 R)
• M6: 14,478,680 km (0.096 R)
• M7: 17,740,961 km (0.097 R)
• M8: 23,363,747 km (0.117 R)
• M9: 24,116,972 km (0.042 R)
• M10: 27,499,380 km (0.112 R)
• M11: 28,764,828 km (0.116 R)
• M12: 34,942,472 km (0.089 R)
• M13: 38,859,842 km (0.088 R)
• M14: 51,555,017 km (0.049 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: 526 - 19,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit