🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 12.3

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.97 AU - 0.99 AU

Year: 647 Days

Day: 14.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,846,441 km

• M1: 153,039 km (0.094 R)
• M2: 536,757 km (0.11 R)
• M3: 1,115,402 km (0.111 R)
• M4: 1,587,233 km (0.12 R)
• M5: 2,262,219 km (0.113 R)
• M6: 2,793,740 km (0.105 R)
• M7: 3,380,912 km (0.099 R)
• M8: 4,019,096 km (0.119 R)
• M9: 4,455,773 km (0.089 R)
• M10: 5,260,759 km (0.12 R)
• M11: 5,823,546 km (0.101 R)
• M12: 6,447,219 km (0.084 R)
• M13: 7,385,497 km (0.031 R)
• M14: 8,288,620 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 10.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.18 AU - 1.64 AU

Year: 1116 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,846,441 km

• M1: 133,142 km (0.109 R)
• M2: 506,538 km (0.111 R)
• M3: 1,000,062 km (0.117 R)
• M4: 1,890,618 km (0.054 R)
• M5: 2,293,186 km (0.106 R)
• M6: 2,665,984 km (0.1 R)
• M7: 3,039,081 km (0.088 R)
• M8: 3,610,993 km (0.092 R)
• M9: 4,270,570 km (0.09 R)
• M10: 5,279,608 km (0.111 R)
• M11: 5,808,736 km (0.061 R)
• M12: 7,386,245 km (0.083 R)
• M13: 9,376,645 km (0.071 R)
• M14: 10,339,457 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 13.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.44 AU - 1.58 AU

Year: 1237 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,846,441 km

• M1: 200,611 km (0.102 R)
• M2: 847,921 km (0.106 R)
• M3: 1,357,451 km (0.117 R)
• M4: 1,806,993 km (0.12 R)
• M5: 2,252,645 km (0.108 R)
• M6: 4,182,756 km (0.067 R)
• M7: 4,643,668 km (0.079 R)
• M8: 5,346,478 km (0.095 R)
• M9: 6,424,780 km (0.089 R)
• M10: 7,915,822 km (0.088 R)
• M11: 9,162,421 km (0.081 R)
• M12: 9,658,338 km (0.056 R)
• M13: 10,772,094 km (0.062 R)
• M14: 11,572,891 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 11

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.42 AU - 2 AU

Year: 1491 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,846,441 km

• M1: 136,732 km (0.102 R)
• M2: 573,409 km (0.088 R)
• M3: 1,030,580 km (0.075 R)
• M4: 1,390,213 km (0.043 R)
• M5: 1,758,074 km (0.044 R)
• M6: 2,458,791 km (0.102 R)
• M7: 2,963,085 km (0.093 R)
• M8: 3,458,254 km (0.112 R)
• M9: 4,863,427 km (0.113 R)
• M10: 5,365,926 km (0.092 R)
• M11: 6,264,860 km (0.085 R)
• M12: 6,714,252 km (0.094 R)
• M13: 7,159,754 km (0.083 R)
• M14: 7,546,016 km (0.113 R)
• M15: 8,193,027 km (0.098 R)
• M16: 8,731,280 km (0.104 R)
• M17: 10,293,081 km (0.09 R)
• M18: 11,191,716 km (0.091 R)
• M19: 11,642,604 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.58 AU - 5.96 AU

Year: 8068 Days

Day: 8.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,846,441 km

• M1: 151,991 km (0.085 R)
• M2: 530,175 km (0.075 R)
• M3: 1,624,034 km (0.079 R)
• M4: 2,172,161 km (0.117 R)
• M5: 5,531,082 km (0.057 R)
• M6: 8,357,285 km (0.071 R)
• M7: 9,238,716 km (0.106 R)
• M8: 9,741,365 km (0.107 R)
• M9: 11,981,593 km (0.039 R)
• M10: 12,301,134 km (0.068 R)
• M11: 13,149,054 km (0.089 R)
• M12: 14,596,414 km (0.077 R)
• M13: 15,708,824 km (0.11 R)
• M14: 16,202,347 km (0.079 R)
• M15: 17,863,781 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.4

Radius: 3

Gravity: 102.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.67 AU - 8.65 AU

Year: 12776 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,846,441 km

• M1: 37,998 km (0.094 R)
• M2: 297,251 km (0.112 R)
• M3: 975,827 km (0.114 R)
• M4: 1,107,024 km (0.051 R)
• M5: 1,304,643 km (0.065 R)
• M6: 2,847,446 km (0.106 R)
• M7: 3,905,103 km (0.108 R)
• M8: 7,455,210 km (0.085 R)
• M9: 9,101,684 km (0.089 R)
• M10: 9,954,242 km (0.049 R)
• M11: 10,287,247 km (0.096 R)
• M12: 13,025,487 km (0.101 R)
• M13: 13,830,024 km (0.086 R)
• M14: 16,984,893 km (0.065 R)
• M15: 17,862,734 km (0.097 R)
• M16: 21,492,726 km (0.1 R)
• M17: 28,031,499 km (0.102 R)
• M18: 28,251,408 km (0.094 R)
• M19: 28,917,867 km (0.073 R)
• M20: 30,979,924 km (0.118 R)
• M21: 35,138,595 km (0.071 R)
• M22: 35,650,968 km (0.077 R)
• M23: 39,378,199 km (0.11 R)
• M24: 40,348,939 km (0.054 R)
• M25: 41,477,805 km (0.119 R)
• M26: 49,492,960 km (0.104 R)
• M27: 52,101,049 km (0.084 R)
• M28: 56,008,545 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.9

Radius: 4.4

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.35 AU - 9.85 AU

Year: 15373 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 60,846,441 km

• M1: 54,753 km (0.076 R)
• M2: 358,736 km (0.115 R)
• M3: 526,585 km (0.087 R)
• M4: 667,356 km (0.108 R)
• M5: 1,599,500 km (0.082 R)
• M6: 2,160,941 km (0.072 R)
• M7: 2,340,159 km (0.059 R)
• M8: 2,774,442 km (0.087 R)
• M9: 3,084,409 km (0.033 R)
• M10: 3,286,216 km (0.089 R)
• M11: 5,058,652 km (0.095 R)
• M12: 5,781,060 km (0.044 R)
• M13: 6,990,110 km (0.104 R)
• M14: 7,206,877 km (0.09 R)
• M15: 7,930,482 km (0.075 R)
• M16: 8,261,991 km (0.045 R)
• M17: 9,627,221 km (0.079 R)
• M18: 12,225,288 km (0.066 R)
• M19: 13,251,529 km (0.094 R)
• M20: 14,195,342 km (0.101 R)
• M21: 14,613,318 km (0.057 R)
• M22: 15,111,180 km (0.069 R)
• M23: 15,255,542 km (0.052 R)
• M24: 17,137,932 km (0.117 R)
• M25: 17,771,479 km (0.087 R)
• M26: 18,751,046 km (0.091 R)
• M27: 21,265,786 km (0.106 R)
• M28: 21,447,099 km (0.1 R)
• M29: 25,293,110 km (0.081 R)
• M30: 26,321,745 km (0.109 R)
• M31: 27,700,140 km (0.05 R)
• M32: 28,462,042 km (0.089 R)
• M33: 30,027,434 km (0.092 R)
• M34: 32,004,220 km (0.11 R)
• M35: 36,733,458 km (0.062 R)
• M36: 37,388,397 km (0.041 R)
• M37: 41,060,277 km (0.113 R)
• M38: 41,200,750 km (0.063 R)
• M39: 41,623,962 km (0.096 R)
• M40: 42,622,677 km (0.031 R)
• M41: 48,952,911 km (0.06 R)
• M42: 59,578,698 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 11,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit