🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 12.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.72 AU - 0.9 AU

Year: 478 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,068,986 km

• M1: 150,495 km (0.051 R)
• M2: 547,977 km (0.113 R)
• M3: 1,057,208 km (0.097 R)
• M4: 1,966,464 km (0.089 R)
• M5: 2,438,595 km (0.056 R)
• M6: 2,943,488 km (0.078 R)
• M7: 3,458,254 km (0.109 R)
• M8: 4,329,512 km (0.11 R)
• M9: 4,728,639 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.7

Radius: 13.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.95 AU - 0.99 AU

Year: 627 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,068,986 km

• M1: 164,857 km (0.097 R)
• M2: 604,824 km (0.091 R)
• M3: 1,021,903 km (0.105 R)
• M4: 1,689,259 km (0.075 R)
• M5: 2,325,050 km (0.116 R)
• M6: 2,845,651 km (0.101 R)
• M7: 3,893,285 km (0.07 R)
• M8: 5,131,506 km (0.107 R)
• M9: 5,573,867 km (0.12 R)
• M10: 6,374,664 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 9.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.66 AU - 1.66 AU

Year: 1403 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,068,986 km

• M1: 114,442 km (0.11 R)
• M2: 607,367 km (0.105 R)
• M3: 986,299 km (0.07 R)
• M4: 1,293,124 km (0.1 R)
• M5: 1,683,275 km (0.102 R)
• M6: 2,000,124 km (0.08 R)
• M7: 2,440,689 km (0.104 R)
• M8: 3,364,007 km (0.116 R)
• M9: 4,448,741 km (0.117 R)
• M10: 5,061,494 km (0.055 R)
• M11: 6,550,143 km (0.078 R)
• M12: 7,164,691 km (0.11 R)
• M13: 7,736,753 km (0.055 R)
• M14: 8,738,161 km (0.118 R)
• M15: 9,330,718 km (0.072 R)
• M16: 9,729,995 km (0.077 R)
• M17: 10,108,627 km (0.116 R)
• M18: 10,761,772 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 11.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.11 AU - 2.21 AU

Year: 2083 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,068,986 km

• M1: 144,362 km (0.113 R)
• M2: 541,095 km (0.075 R)
• M3: 917,933 km (0.09 R)
• M4: 1,307,336 km (0.049 R)
• M5: 1,904,979 km (0.119 R)
• M6: 2,477,191 km (0.109 R)
• M7: 3,224,283 km (0.063 R)
• M8: 4,078,636 km (0.085 R)
• M9: 4,680,469 km (0.108 R)
• M10: 5,989,600 km (0.094 R)
• M11: 6,980,237 km (0.073 R)
• M12: 7,901,161 km (0.112 R)
• M13: 8,651,245 km (0.116 R)
• M14: 11,448,426 km (0.112 R)
• M15: 12,488,281 km (0.101 R)
• M16: 13,674,143 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 11.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.64 AU - 4.04 AU

Year: 4004 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,068,986 km

• M1: 147,354 km (0.104 R)
• M2: 565,929 km (0.106 R)
• M3: 1,006,494 km (0.056 R)
• M4: 1,680,882 km (0.118 R)
• M5: 2,063,852 km (0.108 R)
• M6: 2,555,132 km (0.112 R)
• M7: 4,467,591 km (0.078 R)
• M8: 6,287,449 km (0.104 R)
• M9: 7,091,537 km (0.038 R)
• M10: 8,293,856 km (0.112 R)
• M11: 8,672,189 km (0.107 R)
• M12: 10,173,403 km (0.074 R)
• M13: 12,032,007 km (0.054 R)
• M14: 14,160,635 km (0.079 R)
• M15: 15,597,822 km (0.106 R)
• M16: 16,293,003 km (0.043 R)
• M17: 17,995,577 km (0.118 R)
• M18: 18,375,256 km (0.115 R)
• M19: 19,746,769 km (0.076 R)
• M20: 20,975,716 km (0.066 R)
• M21: 21,751,381 km (0.071 R)
• M22: 23,510,203 km (0.067 R)
• M23: 24,117,122 km (0.116 R)
• M24: 25,362,075 km (0.06 R)
• M25: 28,661,456 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 8.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.86 AU - 4.72 AU

Year: 4840 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,068,986 km

• M1: 128,804 km (0.119 R)
• M2: 732,730 km (0.064 R)
• M3: 1,239,568 km (0.113 R)
• M4: 1,548,637 km (0.038 R)
• M5: 1,865,336 km (0.104 R)
• M6: 5,799,610 km (0.092 R)
• M7: 7,552,000 km (0.102 R)
• M8: 8,752,223 km (0.088 R)
• M9: 9,902,781 km (0.084 R)
• M10: 11,564,364 km (0.079 R)
• M11: 12,865,417 km (0.11 R)
• M12: 15,246,566 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 9.6

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.56 AU - 4.08 AU

Year: 4898 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,068,986 km

• M1: 119,529 km (0.056 R)
• M2: 568,771 km (0.069 R)
• M3: 1,462,020 km (0.072 R)
• M4: 1,824,196 km (0.093 R)
• M5: 2,230,504 km (0.041 R)
• M6: 2,953,960 km (0.107 R)
• M7: 3,803,526 km (0.068 R)
• M8: 5,357,698 km (0.079 R)
• M9: 6,134,859 km (0.117 R)
• M10: 6,583,353 km (0.102 R)
• M11: 7,654,923 km (0.115 R)
• M12: 8,919,025 km (0.067 R)
• M13: 11,661,752 km (0.119 R)
• M14: 12,603,920 km (0.057 R)
• M15: 13,119,733 km (0.104 R)
• M16: 13,489,240 km (0.049 R)
• M17: 14,865,540 km (0.117 R)
• M18: 15,676,062 km (0.104 R)
• M19: 17,959,673 km (0.049 R)
• M20: 19,554,536 km (0.07 R)
• M21: 20,668,741 km (0.109 R)
• M22: 21,386,362 km (0.096 R)
• M23: 23,253,044 km (0.084 R)
• M24: 26,128,315 km (0.032 R)
• M25: 28,346,852 km (0.102 R)
• M26: 30,873,111 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.7

Radius: 5.5

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.3 AU - 6.86 AU

Year: 9835 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,068,986 km

• M1: 68,516 km (0.036 R)
• M2: 357,988 km (0.092 R)
• M3: 608,863 km (0.076 R)
• M4: 934,538 km (0.084 R)
• M5: 1,529,189 km (0.089 R)
• M6: 2,133,116 km (0.062 R)
• M7: 2,310,988 km (0.092 R)
• M8: 2,596,570 km (0.041 R)
• M9: 3,547,265 km (0.089 R)
• M10: 4,420,019 km (0.102 R)
• M11: 7,233,356 km (0.088 R)
• M12: 8,985,447 km (0.109 R)
• M13: 12,772,068 km (0.107 R)
• M14: 14,723,273 km (0.1 R)
• M15: 15,305,957 km (0.08 R)
• M16: 15,971,368 km (0.096 R)
• M17: 17,863,781 km (0.118 R)
• M18: 18,826,144 km (0.092 R)
• M19: 19,435,307 km (0.093 R)
• M20: 22,003,603 km (0.061 R)
• M21: 22,509,094 km (0.065 R)
• M22: 22,850,476 km (0.106 R)
• M23: 23,895,118 km (0.077 R)
• M24: 24,250,264 km (0.1 R)
• M25: 25,062,281 km (0.099 R)
• M26: 25,613,549 km (0.116 R)
• M27: 27,316,122 km (0.066 R)
• M28: 27,899,853 km (0.077 R)
• M29: 28,991,918 km (0.095 R)
• M30: 29,193,426 km (0.072 R)
• M31: 30,735,032 km (0.101 R)
• M32: 31,472,699 km (0.097 R)
• M33: 38,286,433 km (0.101 R)
• M34: 40,381,851 km (0.07 R)
• M35: 41,521,487 km (0.108 R)
• M36: 41,777,599 km (0.09 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: 406 - 13,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit