🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 12.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,399,924 km

• M1: 159,172 km (0.119 R)
• M2: 577,597 km (0.114 R)
• M3: 992,881 km (0.114 R)
• M4: 1,746,854 km (0.101 R)
• M5: 2,673,763 km (0.109 R)
• M6: 3,640,015 km (0.081 R)
• M7: 4,049,614 km (0.052 R)
• M8: 5,039,503 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 9.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.66 AU - 0.96 AU

Year: 503 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,399,924 km

• M1: 121,922 km (0.085 R)
• M2: 439,967 km (0.115 R)
• M3: 765,642 km (0.067 R)
• M4: 1,104,032 km (0.111 R)
• M5: 1,537,118 km (0.055 R)
• M6: 1,895,106 km (0.072 R)
• M7: 2,404,487 km (0.111 R)
• M8: 2,825,754 km (0.096 R)
• M9: 3,271,705 km (0.055 R)
• M10: 3,844,366 km (0.079 R)
• M11: 4,913,991 km (0.098 R)
• M12: 5,526,893 km (0.054 R)
• M13: 6,005,607 km (0.119 R)
• M14: 6,473,399 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 12.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.79 AU - 0.87 AU

Year: 522 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,399,924 km

• M1: 151,842 km (0.105 R)
• M2: 533,765 km (0.117 R)
• M3: 960,119 km (0.04 R)
• M4: 1,367,474 km (0.119 R)
• M5: 1,839,306 km (0.074 R)
• M6: 2,468,365 km (0.068 R)
• M7: 3,178,057 km (0.093 R)
• M8: 3,651,385 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 8.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.74 AU - 1.16 AU

Year: 639 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,399,924 km

• M1: 101,427 km (0.054 R)
• M2: 446,101 km (0.113 R)
• M3: 1,041,201 km (0.104 R)
• M4: 1,608,177 km (0.11 R)
• M5: 1,933,552 km (0.088 R)
• M6: 2,423,037 km (0.102 R)
• M7: 3,025,767 km (0.116 R)
• M8: 3,827,162 km (0.059 R)
• M9: 4,201,307 km (0.102 R)
• M10: 5,260,609 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.7

Radius: 11

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.75 AU - 1.21 AU

Year: 670 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,399,924 km

• M1: 136,732 km (0.107 R)
• M2: 505,192 km (0.117 R)
• M3: 985,850 km (0.062 R)
• M4: 1,417,589 km (0.086 R)
• M5: 1,999,675 km (0.045 R)
• M6: 2,481,679 km (0.106 R)
• M7: 2,827,849 km (0.103 R)
• M8: 3,184,191 km (0.045 R)
• M9: 4,892,150 km (0.119 R)
• M10: 5,280,506 km (0.087 R)
• M11: 5,655,847 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.8

Radius: 10.8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.47 AU - 2.17 AU

Year: 1695 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,399,924 km

• M1: 134,339 km (0.101 R)
• M2: 645,515 km (0.047 R)
• M3: 1,069,176 km (0.07 R)
• M4: 1,870,572 km (0.1 R)
• M5: 2,807,204 km (0.041 R)
• M6: 3,975,115 km (0.054 R)
• M7: 4,402,217 km (0.081 R)
• M8: 4,795,509 km (0.099 R)
• M9: 5,534,972 km (0.099 R)
• M10: 5,920,037 km (0.12 R)
• M11: 6,322,904 km (0.095 R)
• M12: 7,128,039 km (0.039 R)
• M13: 8,306,123 km (0.042 R)
• M14: 9,439,626 km (0.117 R)
• M15: 10,203,173 km (0.107 R)
• M16: 10,820,863 km (0.118 R)
• M17: 11,618,219 km (0.074 R)
• M18: 12,332,549 km (0.115 R)
• M19: 14,157,344 km (0.095 R)
• M20: 14,697,093 km (0.118 R)
• M21: 15,485,474 km (0.084 R)
• M22: 16,301,680 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 8.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.15 AU - 2.95 AU

Year: 2811 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,399,924 km

• M1: 108,159 km (0.113 R)
• M2: 412,591 km (0.114 R)
• M3: 806,781 km (0.062 R)
• M4: 1,131,409 km (0.072 R)
• M5: 1,553,723 km (0.038 R)
• M6: 1,842,148 km (0.079 R)
• M7: 2,389,976 km (0.11 R)
• M8: 2,900,254 km (0.094 R)
• M9: 3,552,501 km (0.096 R)
• M10: 4,078,786 km (0.111 R)
• M11: 4,527,879 km (0.106 R)
• M12: 5,055,062 km (0.098 R)
• M13: 5,647,170 km (0.047 R)
• M14: 6,471,454 km (0.102 R)
• M15: 7,140,755 km (0.098 R)
• M16: 7,979,102 km (0.101 R)
• M17: 8,914,986 km (0.112 R)
• M18: 10,103,242 km (0.063 R)
• M19: 11,672,673 km (0.082 R)
• M20: 12,748,431 km (0.092 R)
• M21: 15,432,516 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 8

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.55 AU - 3.69 AU

Year: 4754 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,399,924 km

• M1: 100,081 km (0.102 R)
• M2: 440,715 km (0.075 R)
• M3: 723,156 km (0.114 R)
• M4: 1,392,457 km (0.079 R)
• M5: 1,748,949 km (0.112 R)
• M6: 2,000,273 km (0.109 R)
• M7: 2,307,846 km (0.049 R)
• M8: 2,829,045 km (0.056 R)
• M9: 4,816,004 km (0.092 R)
• M10: 5,315,063 km (0.116 R)
• M11: 5,878,748 km (0.108 R)
• M12: 6,351,327 km (0.04 R)
• M13: 7,552,748 km (0.093 R)
• M14: 9,269,682 km (0.082 R)
• M15: 9,564,989 km (0.041 R)
• M16: 10,353,519 km (0.102 R)
• M17: 10,763,567 km (0.059 R)
• M18: 12,822,333 km (0.103 R)
• M19: 13,189,296 km (0.063 R)
• M20: 13,563,291 km (0.075 R)
• M21: 14,557,518 km (0.12 R)
• M22: 15,540,376 km (0.098 R)
• M23: 16,628,551 km (0.037 R)
• M24: 17,831,318 km (0.084 R)
• M25: 18,091,768 km (0.079 R)
• M26: 19,638,909 km (0.038 R)
• M27: 20,056,587 km (0.032 R)
• M28: 24,405,247 km (0.047 R)
• M29: 30,814,768 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.4

Radius: 4.1

Gravity: 27.98 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.24 AU - 8.72 AU

Year: 17045 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,399,924 km

• M1: 54,304 km (0.106 R)
• M2: 196,123 km (0.105 R)
• M3: 408,552 km (0.114 R)
• M4: 692,937 km (0.09 R)
• M5: 926,908 km (0.064 R)
• M6: 1,160,281 km (0.076 R)
• M7: 2,237,535 km (0.077 R)
• M8: 2,420,643 km (0.074 R)
• M9: 3,230,416 km (0.099 R)
• M10: 4,236,911 km (0.101 R)
• M11: 5,013,773 km (0.095 R)
• M12: 5,805,594 km (0.106 R)
• M13: 8,334,397 km (0.07 R)
• M14: 10,302,506 km (0.103 R)
• M15: 11,513,052 km (0.097 R)
• M16: 12,879,778 km (0.09 R)
• M17: 14,007,148 km (0.047 R)
• M18: 14,281,660 km (0.103 R)
• M19: 16,608,804 km (0.112 R)
• M20: 17,701,916 km (0.029 R)
• M21: 22,181,923 km (0.104 R)
• M22: 23,698,995 km (0.06 R)
• M23: 24,384,004 km (0.118 R)
• M24: 28,224,929 km (0.116 R)
• M25: 29,328,214 km (0.063 R)
• M26: 34,775,222 km (0.084 R)
• M27: 39,073,019 km (0.113 R)
• M28: 39,208,555 km (0.055 R)
• M29: 46,238,607 km (0.113 R)
• M30: 47,769,592 km (0.054 R)
• M31: 48,079,708 km (0.083 R)
• M32: 50,770,825 km (0.055 R)
• M33: 52,399,796 km (0.084 R)
• M34: 55,590,270 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.5

Radius: 4.3

Gravity: 29.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.86 AU - 11.08 AU

Year: 21730 Days

Day: 17.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,399,924 km

• M1: 53,556 km (0.091 R)
• M2: 224,397 km (0.065 R)
• M3: 479,910 km (0.057 R)
• M4: 675,434 km (0.119 R)
• M5: 889,060 km (0.1 R)
• M6: 2,489,608 km (0.111 R)
• M7: 2,798,827 km (0.045 R)
• M8: 3,379,715 km (0.115 R)
• M9: 3,668,738 km (0.094 R)
• M10: 4,429,743 km (0.058 R)
• M11: 4,919,526 km (0.098 R)
• M12: 5,640,737 km (0.065 R)
• M13: 6,738,337 km (0.088 R)
• M14: 7,010,605 km (0.089 R)
• M15: 7,196,106 km (0.071 R)
• M16: 7,625,452 km (0.103 R)
• M17: 9,973,690 km (0.034 R)
• M18: 10,628,330 km (0.081 R)
• M19: 11,438,104 km (0.047 R)
• M20: 13,320,793 km (0.095 R)
• M21: 14,785,655 km (0.102 R)
• M22: 16,598,931 km (0.112 R)
• M23: 20,376,726 km (0.086 R)
• M24: 21,234,071 km (0.072 R)
• M25: 27,229,056 km (0.07 R)
• M26: 29,573,853 km (0.09 R)
• M27: 31,168,118 km (0.049 R)
• M28: 32,177,156 km (0.1 R)
• M29: 35,743,419 km (0.093 R)
• M30: 37,268,719 km (0.107 R)
• M31: 37,409,640 km (0.109 R)
• M32: 40,448,721 km (0.081 R)
• M33: 43,492,439 km (0.055 R)
• M34: 44,276,482 km (0.104 R)
• M35: 44,910,478 km (0.109 R)
• M36: 55,710,247 km (0.106 R)
• M37: 57,946,137 km (0.104 R)
• M38: 61,019,475 km (0.104 R)
• M39: 62,795,053 km (0.103 R)
• M40: 68,962,225 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit