🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.55 AU - 0.55 AU

Year: 263 Days

Day: 38.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 9.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 99.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,322,115 km

• M1: 127,607 km (0.066 R)
• M2: 207,941 km (0.043 R)
• M3: 279,748 km (0.105 R)
• M4: 361,129 km (0.116 R)
• M5: 501,452 km (0.094 R)
• M6: 580,589 km (0.088 R)
• M7: 654,341 km (0.109 R)
• M8: 761,004 km (0.07 R)
• M9: 823,686 km (0.112 R)
• M10: 885,320 km (0.118 R)
• M11: 1,040,902 km (0.049 R)
• M12: 1,114,504 km (0.05 R)
• M13: 1,186,760 km (0.119 R)
• M14: 1,270,535 km (0.072 R)
• M15: 1,346,231 km (0.094 R)
• M16: 1,509,592 km (0.12 R)
• M17: 1,636,451 km (0.1 R)
• M18: 1,837,211 km (0.109 R)
• M19: 1,900,940 km (0.11 R)
• M20: 1,999,824 km (0.097 R)
• M21: 2,061,608 km (0.071 R)
• M22: 2,128,030 km (0.097 R)
• M23: 2,226,914 km (0.085 R)
• M24: 2,307,248 km (0.111 R)
• M25: 2,421,391 km (0.062 R)
• M26: 2,491,553 km (0.087 R)
• M27: 2,575,028 km (0.049 R)
• M28: 2,651,024 km (0.109 R)
• M29: 2,766,364 km (0.116 R)
• M30: 2,861,658 km (0.048 R)
• M31: 3,006,618 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 13.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.68 AU - 2.28 AU

Year: 1799 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 39,322,115 km

• M1: 183,706 km (0.059 R)
• M2: 314,006 km (0.097 R)
• M3: 422,315 km (0.12 R)
• M4: 556,055 km (0.118 R)
• M5: 655,089 km (0.05 R)
• M6: 841,638 km (0.08 R)
• M7: 1,020,706 km (0.064 R)
• M8: 1,129,165 km (0.052 R)
• M9: 1,280,408 km (0.04 R)
• M10: 1,428,660 km (0.1 R)
• M11: 2,057,420 km (0.067 R)
• M12: 2,162,288 km (0.067 R)
• M13: 2,293,036 km (0.105 R)
• M14: 2,600,460 km (0.09 R)
• M15: 2,740,035 km (0.103 R)
• M16: 2,921,347 km (0.076 R)
• M17: 3,133,627 km (0.105 R)
• M18: 3,378,518 km (0.117 R)
• M19: 3,475,607 km (0.086 R)
• M20: 4,151,191 km (0.071 R)
• M21: 4,240,501 km (0.086 R)
• M22: 4,789,525 km (0.06 R)
• M23: 4,946,154 km (0.114 R)
• M24: 5,072,565 km (0.049 R)
• M25: 5,184,165 km (0.115 R)
• M26: 5,589,575 km (0.051 R)
• M27: 6,038,817 km (0.112 R)
• M28: 6,174,353 km (0.112 R)
• M29: 6,327,840 km (0.069 R)
• M30: 6,465,470 km (0.099 R)
• M31: 6,551,938 km (0.03 R)
• M32: 6,954,955 km (0.111 R)
• M33: 7,079,270 km (0.093 R)
• M34: 7,222,136 km (0.091 R)
• M35: 7,492,759 km (0.117 R)
• M36: 8,081,427 km (0.086 R)
• M37: 8,532,614 km (0.106 R)
• M38: 8,646,757 km (0.071 R)
• M39: 8,857,241 km (0.076 R)
• M40: 9,127,714 km (0.059 R)
• M41: 9,303,043 km (0.08 R)
• M42: 9,875,554 km (0.112 R)
• M43: 10,075,716 km (0.069 R)
• M44: 11,388,138 km (0.064 R)
• M45: 11,619,117 km (0.094 R)
• M46: 11,809,256 km (0.095 R)
• M47: 12,064,470 km (0.034 R)
• M48: 12,171,283 km (0.101 R)
• M49: 12,278,544 km (0.117 R)
• M50: 12,688,742 km (0.11 R)
• M51: 13,059,595 km (0.084 R)
• M52: 13,411,898 km (0.066 R)
• M53: 13,655,892 km (0.112 R)
• M54: 13,811,923 km (0.101 R)
• M55: 13,991,141 km (0.072 R)
• M56: 14,193,547 km (0.026 R)
• M57: 14,464,917 km (0.116 R)
• M58: 15,104,897 km (0.092 R)
• M59: 15,451,515 km (0.07 R)
• M60: 15,544,416 km (0.098 R)
• M61: 15,684,140 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 11.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.98 AU - 3.26 AU

Year: 2738 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 39,322,115 km

• M1: 163,211 km (0.071 R)
• M2: 260,450 km (0.075 R)
• M3: 338,690 km (0.116 R)
• M4: 531,072 km (0.055 R)
• M5: 657,483 km (0.114 R)
• M6: 748,139 km (0.099 R)
• M7: 909,854 km (0.065 R)
• M8: 1,092,962 km (0.055 R)
• M9: 1,203,365 km (0.118 R)
• M10: 1,366,577 km (0.056 R)
• M11: 1,558,062 km (0.074 R)
• M12: 1,704,817 km (0.103 R)
• M13: 1,801,757 km (0.103 R)
• M14: 1,990,250 km (0.087 R)
• M15: 2,127,132 km (0.105 R)
• M16: 2,350,631 km (0.074 R)
• M17: 2,544,959 km (0.109 R)
• M18: 2,936,606 km (0.083 R)
• M19: 3,040,876 km (0.111 R)
• M20: 3,212,913 km (0.089 R)
• M21: 3,307,011 km (0.12 R)
• M22: 3,388,392 km (0.118 R)
• M23: 3,580,775 km (0.075 R)
• M24: 3,762,835 km (0.098 R)
• M25: 4,136,082 km (0.092 R)
• M26: 4,371,848 km (0.104 R)
• M27: 4,461,308 km (0.047 R)
• M28: 4,718,466 km (0.111 R)
• M29: 4,825,728 km (0.102 R)
• M30: 4,964,854 km (0.045 R)
• M31: 5,136,892 km (0.106 R)
• M32: 5,358,596 km (0.114 R)
• M33: 5,664,523 km (0.118 R)
• M34: 5,795,122 km (0.052 R)
• M35: 5,926,619 km (0.119 R)
• M36: 6,310,487 km (0.112 R)
• M37: 6,446,023 km (0.09 R)
• M38: 7,014,943 km (0.044 R)
• M39: 7,456,706 km (0.103 R)
• M40: 7,834,889 km (0.075 R)
• M41: 7,962,347 km (0.105 R)
• M42: 8,108,803 km (0.118 R)
• M43: 8,404,558 km (0.059 R)
• M44: 8,553,707 km (0.076 R)
• M45: 9,370,811 km (0.098 R)
• M46: 9,700,824 km (0.076 R)
• M47: 9,818,258 km (0.094 R)
• M48: 9,916,394 km (0.117 R)
• M49: 10,074,070 km (0.073 R)
• M50: 10,814,729 km (0.108 R)
• M51: 11,201,739 km (0.116 R)
• M52: 11,407,286 km (0.097 R)
• M53: 11,759,739 km (0.103 R)
• M54: 12,010,615 km (0.114 R)
• M55: 12,178,912 km (0.032 R)
• M56: 12,305,622 km (0.084 R)
• M57: 12,411,537 km (0.12 R)
• M58: 12,560,387 km (0.038 R)
• M59: 12,945,751 km (0.111 R)
• M60: 13,204,854 km (0.101 R)
• M61: 13,335,154 km (0.098 R)
• M62: 13,662,474 km (0.118 R)
• M63: 13,772,279 km (0.097 R)
• M64: 14,081,049 km (0.089 R)
• M65: 14,570,982 km (0.097 R)
• M66: 14,772,939 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.82 AU - 5.3 AU

Year: 6287 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 39,322,115 km

• M1: 251,025 km (0.113 R)
• M2: 403,166 km (0.081 R)
• M3: 528,080 km (0.064 R)
• M4: 643,271 km (0.103 R)
• M5: 754,422 km (0.066 R)
• M6: 1,015,470 km (0.086 R)
• M7: 1,218,325 km (0.058 R)
• M8: 1,325,288 km (0.098 R)
• M9: 1,416,841 km (0.062 R)
• M10: 1,745,658 km (0.059 R)
• M11: 2,099,157 km (0.098 R)
• M12: 2,475,845 km (0.039 R)
• M13: 2,874,523 km (0.085 R)
• M14: 3,193,316 km (0.055 R)
• M15: 3,344,410 km (0.104 R)
• M16: 3,549,658 km (0.092 R)
• M17: 3,680,108 km (0.096 R)
• M18: 3,785,724 km (0.084 R)
• M19: 4,108,556 km (0.104 R)
• M20: 4,609,858 km (0.071 R)
• M21: 4,984,152 km (0.039 R)
• M22: 5,488,596 km (0.033 R)
• M23: 6,546,702 km (0.106 R)
• M24: 7,132,228 km (0.05 R)
• M25: 7,464,934 km (0.065 R)
• M26: 7,768,767 km (0.051 R)
• M27: 8,739,956 km (0.052 R)
• M28: 8,917,379 km (0.074 R)
• M29: 9,060,245 km (0.063 R)
• M30: 9,167,806 km (0.085 R)
• M31: 9,420,776 km (0.105 R)
• M32: 9,602,837 km (0.059 R)
• M33: 10,719,585 km (0.075 R)
• M34: 11,254,697 km (0.076 R)
• M35: 12,831,907 km (0.11 R)
• M36: 12,952,932 km (0.08 R)
• M37: 13,237,018 km (0.078 R)
• M38: 13,935,341 km (0.038 R)
• M39: 14,856,864 km (0.113 R)
• M40: 15,324,955 km (0.083 R)
• M41: 16,538,643 km (0.113 R)
• M42: 16,979,658 km (0.118 R)
• M43: 18,507,800 km (0.099 R)
• M44: 18,965,569 km (0.051 R)
• M45: 19,103,648 km (0.074 R)
• M46: 19,334,478 km (0.029 R)
• M47: 19,659,255 km (0.098 R)
• M48: 19,845,654 km (0.055 R)
• M49: 19,985,976 km (0.113 R)
• M50: 20,126,449 km (0.069 R)
• M51: 20,549,960 km (0.052 R)
• M52: 21,119,330 km (0.092 R)
• M53: 21,742,106 km (0.086 R)
• M54: 22,516,724 km (0.036 R)
• M55: 22,858,555 km (0.07 R)
• M56: 23,547,154 km (0.119 R)
• M57: 24,643,257 km (0.06 R)
• M58: 25,146,953 km (0.091 R)
• M59: 25,248,081 km (0.115 R)
• M60: 25,806,829 km (0.076 R)
• M61: 26,267,142 km (0.117 R)
• M62: 26,369,766 km (0.043 R)
• M63: 27,351,577 km (0.119 R)
• M64: 27,611,877 km (0.12 R)
• M65: 28,925,945 km (0.071 R)
• M66: 29,884,718 km (0.093 R)
• M67: 31,342,399 km (0.092 R)
• M68: 31,451,307 km (0.076 R)
• M69: 31,724,173 km (0.115 R)
• M70: 32,437,157 km (0.116 R)
• M71: 32,712,716 km (0.119 R)
• M72: 34,046,531 km (0.119 R)
• M73: 34,326,727 km (0.093 R)
• M74: 34,776,568 km (0.075 R)
• M75: 35,738,782 km (0.036 R)
• M76: 35,966,470 km (0.086 R)
• M77: 36,652,526 km (0.117 R)
• M78: 36,767,267 km (0.111 R)
• M79: 38,444,708 km (0.11 R)
• M80: 38,678,081 km (0.108 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: 490 - 20,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit