🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 9.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,148,800 km

• M1: 134,638 km (0.068 R)
• M2: 464,053 km (0.081 R)
• M3: 966,253 km (0.119 R)
• M4: 1,427,313 km (0.085 R)
• M5: 1,760,169 km (0.119 R)
• M6: 2,066,545 km (0.056 R)
• M7: 2,619,309 km (0.082 R)
• M8: 2,931,071 km (0.113 R)
• M9: 3,435,814 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 14.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 439 Days

Day: 7.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,148,800 km

• M1: 175,329 km (0.114 R)
• M2: 804,089 km (0.07 R)
• M3: 1,267,393 km (0.09 R)
• M4: 1,781,561 km (0.108 R)
• M5: 2,519,079 km (0.067 R)
• M6: 3,488,772 km (0.111 R)
• M7: 3,956,714 km (0.11 R)
• M8: 5,005,694 km (0.056 R)
• M9: 5,522,854 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 8.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,148,800 km

• M1: 105,915 km (0.101 R)
• M2: 372,349 km (0.089 R)
• M3: 641,625 km (0.105 R)
• M4: 915,988 km (0.1 R)
• M5: 1,207,255 km (0.085 R)
• M6: 1,605,484 km (0.095 R)
• M7: 1,903,633 km (0.097 R)
• M8: 2,892,924 km (0.087 R)
• M9: 3,349,197 km (0.109 R)
• M10: 3,829,406 km (0.084 R)
• M11: 4,116,933 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 9.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.94 AU - 2.72 AU

Year: 2455 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,148,800 km

• M1: 114,442 km (0.091 R)
• M2: 414,984 km (0.042 R)
• M3: 1,100,741 km (0.119 R)
• M4: 1,584,092 km (0.12 R)
• M5: 2,322,058 km (0.087 R)
• M6: 3,303,420 km (0.044 R)
• M7: 4,388,753 km (0.087 R)
• M8: 8,118,078 km (0.107 R)
• M9: 8,579,737 km (0.053 R)
• M10: 9,429,603 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 12

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.4 AU - 3.76 AU

Year: 4676 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,148,800 km

• M1: 149,299 km (0.091 R)
• M2: 547,977 km (0.048 R)
• M3: 1,035,516 km (0.068 R)
• M4: 1,662,631 km (0.073 R)
• M5: 2,117,558 km (0.059 R)
• M6: 2,501,725 km (0.118 R)
• M7: 2,882,601 km (0.107 R)
• M8: 4,512,321 km (0.092 R)
• M9: 5,592,567 km (0.069 R)
• M10: 6,422,985 km (0.103 R)
• M11: 7,021,077 km (0.103 R)
• M12: 7,887,099 km (0.079 R)
• M13: 9,040,648 km (0.118 R)
• M14: 11,507,667 km (0.081 R)
• M15: 14,544,204 km (0.096 R)
• M16: 16,274,154 km (0.113 R)
• M17: 17,048,024 km (0.049 R)
• M18: 18,728,905 km (0.037 R)
• M19: 19,702,339 km (0.079 R)
• M20: 20,773,160 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 11.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.28 AU - 5.08 AU

Year: 6988 Days

Day: 13.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,148,800 km

• M1: 145,858 km (0.073 R)
• M2: 529,128 km (0.074 R)
• M3: 1,019,360 km (0.114 R)
• M4: 1,732,343 km (0.07 R)
• M5: 3,549,060 km (0.098 R)
• M6: 4,566,475 km (0.085 R)
• M7: 5,213,785 km (0.085 R)
• M8: 7,206,877 km (0.101 R)
• M9: 10,686,075 km (0.089 R)
• M10: 11,294,938 km (0.092 R)
• M11: 12,788,524 km (0.116 R)
• M12: 13,475,178 km (0.118 R)
• M13: 17,538,406 km (0.047 R)
• M14: 18,386,177 km (0.116 R)
• M15: 19,466,872 km (0.102 R)
• M16: 21,606,570 km (0.089 R)
• M17: 24,536,295 km (0.111 R)
• M18: 26,857,755 km (0.052 R)
• M19: 29,231,424 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 13.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.48 AU - 5.1 AU

Year: 7236 Days

Day: 12.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,148,800 km

• M1: 165,455 km (0.086 R)
• M2: 663,915 km (0.066 R)
• M3: 1,159,234 km (0.077 R)
• M4: 1,734,438 km (0.042 R)
• M5: 2,588,492 km (0.03 R)
• M6: 3,080,968 km (0.04 R)
• M7: 4,776,211 km (0.037 R)
• M8: 5,245,799 km (0.045 R)
• M9: 6,843,355 km (0.12 R)
• M10: 7,442,195 km (0.088 R)
• M11: 9,137,588 km (0.116 R)
• M12: 12,171,881 km (0.087 R)
• M13: 15,315,232 km (0.114 R)
• M14: 16,016,247 km (0.101 R)
• M15: 17,482,606 km (0.106 R)
• M16: 18,532,483 km (0.101 R)
• M17: 18,964,073 km (0.102 R)
• M18: 23,073,676 km (0.106 R)
• M19: 26,362,286 km (0.094 R)
• M20: 27,555,629 km (0.101 R)
• M21: 32,378,963 km (0.083 R)
• M22: 40,085,348 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 12.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.03 AU - 5.61 AU

Year: 7304 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,148,800 km

• M1: 160,369 km (0.108 R)
• M2: 731,234 km (0.095 R)
• M3: 1,425,967 km (0.115 R)
• M4: 5,237,421 km (0.072 R)
• M5: 6,506,759 km (0.093 R)
• M6: 6,960,789 km (0.107 R)
• M7: 7,662,403 km (0.117 R)
• M8: 10,757,732 km (0.054 R)
• M9: 12,743,195 km (0.084 R)
• M10: 15,203,632 km (0.083 R)
• M11: 15,880,712 km (0.084 R)
• M12: 18,722,622 km (0.083 R)
• M13: 19,286,457 km (0.049 R)
• M14: 21,197,719 km (0.088 R)
• M15: 22,672,156 km (0.093 R)
• M16: 23,637,960 km (0.069 R)
• M17: 24,630,990 km (0.081 R)
• M18: 26,259,961 km (0.077 R)
• M19: 26,700,378 km (0.099 R)
• M20: 29,541,540 km (0.109 R)
• M21: 30,306,285 km (0.109 R)
• M22: 31,975,348 km (0.111 R)
• M23: 36,578,475 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.3

Radius: 5.7

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.89 AU - 10.55 AU

Year: 17774 Days

Day: 16.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,148,800 km

• M1: 70,909 km (0.084 R)
• M2: 329,115 km (0.063 R)
• M3: 595,699 km (0.102 R)
• M4: 1,046,587 km (0.082 R)
• M5: 1,266,346 km (0.078 R)
• M6: 1,669,811 km (0.114 R)
• M7: 2,099,157 km (0.07 R)
• M8: 2,797,630 km (0.1 R)
• M9: 3,667,392 km (0.067 R)
• M10: 4,483,448 km (0.033 R)
• M11: 4,867,765 km (0.045 R)
• M12: 5,556,963 km (0.1 R)
• M13: 5,850,174 km (0.11 R)
• M14: 7,606,304 km (0.082 R)
• M15: 8,293,706 km (0.089 R)
• M16: 10,828,193 km (0.106 R)
• M17: 12,424,702 km (0.079 R)
• M18: 13,311,219 km (0.061 R)
• M19: 13,637,940 km (0.088 R)
• M20: 14,171,556 km (0.093 R)
• M21: 14,581,005 km (0.117 R)
• M22: 14,788,498 km (0.095 R)
• M23: 15,566,706 km (0.055 R)
• M24: 27,243,418 km (0.113 R)
• M25: 28,196,207 km (0.096 R)
• M26: 28,734,909 km (0.042 R)
• M27: 29,061,481 km (0.11 R)
• M28: 30,167,907 km (0.1 R)
• M29: 34,874,854 km (0.118 R)
• M30: 35,620,599 km (0.112 R)
• M31: 37,272,908 km (0.067 R)
• M32: 38,446,204 km (0.095 R)
• M33: 40,592,634 km (0.089 R)
• M34: 43,529,240 km (0.116 R)
• M35: 44,976,151 km (0.099 R)
• M36: 49,042,371 km (0.119 R)
• M37: 55,674,942 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 4.1

Gravity: 58.81 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.19 AU - 10.81 AU

Year: 21828 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,148,800 km

• M1: 52,210 km (0.071 R)
• M2: 204,500 km (0.072 R)
• M3: 943,813 km (0.113 R)
• M4: 1,390,662 km (0.089 R)
• M5: 2,585,201 km (0.058 R)
• M6: 3,445,239 km (0.108 R)
• M7: 3,599,923 km (0.092 R)
• M8: 4,024,183 km (0.059 R)
• M9: 5,881,291 km (0.082 R)
• M10: 6,800,270 km (0.1 R)
• M11: 7,243,529 km (0.047 R)
• M12: 7,811,103 km (0.041 R)
• M13: 8,407,700 km (0.036 R)
• M14: 8,802,937 km (0.095 R)
• M15: 9,210,442 km (0.085 R)
• M16: 11,713,663 km (0.09 R)
• M17: 12,064,320 km (0.072 R)
• M18: 14,316,067 km (0.113 R)
• M19: 14,960,685 km (0.071 R)
• M20: 18,570,930 km (0.062 R)
• M21: 20,932,482 km (0.057 R)
• M22: 23,486,716 km (0.101 R)
• M23: 25,300,441 km (0.095 R)
• M24: 25,533,365 km (0.09 R)
• M25: 25,767,934 km (0.094 R)
• M26: 29,588,813 km (0.094 R)
• M27: 30,632,707 km (0.092 R)
• M28: 31,431,709 km (0.093 R)
• M29: 38,945,861 km (0.086 R)
• M30: 48,284,957 km (0.075 R)
• M31: 51,576,708 km (0.07 R)
• M32: 53,086,600 km (0.098 R)
• M33: 59,626,420 km (0.096 R)
• M34: 62,982,050 km (0.102 R)
• M35: 65,579,817 km (0.12 R)
• M36: 68,926,172 km (0.08 R)
• M37: 80,396,888 km (0.05 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit