🌌 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 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 12.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,176,195 km

• M1: 157,975 km (0.103 R)
• M2: 748,139 km (0.074 R)
• M3: 1,409,062 km (0.11 R)
• M4: 1,894,059 km (0.088 R)
• M5: 3,252,108 km (0.069 R)
• M6: 4,367,659 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 9.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.66 AU - 1 AU

Year: 522 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,176,195 km

• M1: 119,379 km (0.12 R)
• M2: 427,551 km (0.111 R)
• M3: 731,234 km (0.12 R)
• M4: 1,147,864 km (0.089 R)
• M5: 1,446,611 km (0.058 R)
• M6: 1,854,116 km (0.114 R)
• M7: 2,281,068 km (0.036 R)
• M8: 2,584,303 km (0.085 R)
• M9: 2,903,545 km (0.082 R)
• M10: 3,674,423 km (0.12 R)
• M11: 4,193,228 km (0.117 R)
• M12: 5,176,984 km (0.095 R)
• M13: 5,635,501 km (0.034 R)
• M14: 6,195,147 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 14.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.78 AU - 4.42 AU

Year: 5730 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,176,195 km

• M1: 182,958 km (0.068 R)
• M2: 704,756 km (0.091 R)
• M3: 1,242,111 km (0.066 R)
• M4: 2,075,072 km (0.103 R)
• M5: 3,238,644 km (0.096 R)
• M6: 4,511,124 km (0.101 R)
• M7: 5,875,307 km (0.097 R)
• M8: 6,519,176 km (0.071 R)
• M9: 8,219,356 km (0.106 R)
• M10: 10,519,423 km (0.1 R)
• M11: 11,569,899 km (0.109 R)
• M12: 15,202,285 km (0.1 R)
• M13: 17,635,195 km (0.104 R)
• M14: 19,047,698 km (0.11 R)
• M15: 19,675,710 km (0.084 R)
• M16: 20,680,110 km (0.097 R)
• M17: 24,059,975 km (0.1 R)
• M18: 24,629,793 km (0.04 R)
• M19: 27,350,081 km (0.062 R)
• M20: 29,796,455 km (0.104 R)
• M21: 31,797,626 km (0.096 R)
• M22: 33,886,910 km (0.079 R)
• M23: 34,397,487 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 14.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.48 AU - 5.72 AU

Year: 6810 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,176,195 km

• M1: 175,329 km (0.078 R)
• M2: 625,618 km (0.06 R)
• M3: 1,070,822 km (0.105 R)
• M4: 1,768,097 km (0.057 R)
• M5: 2,303,508 km (0.055 R)
• M6: 4,112,595 km (0.093 R)
• M7: 4,981,759 km (0.115 R)
• M8: 10,042,954 km (0.094 R)
• M9: 11,568,403 km (0.043 R)
• M10: 13,079,791 km (0.119 R)
• M11: 13,855,007 km (0.081 R)
• M12: 14,896,507 km (0.094 R)
• M13: 16,302,428 km (0.058 R)
• M14: 16,875,986 km (0.049 R)
• M15: 18,131,412 km (0.114 R)
• M16: 18,678,192 km (0.109 R)
• M17: 19,519,081 km (0.074 R)
• M18: 23,457,844 km (0.077 R)
• M19: 25,273,513 km (0.073 R)
• M20: 27,717,643 km (0.112 R)
• M21: 28,170,027 km (0.094 R)
• M22: 28,904,403 km (0.099 R)
• M23: 29,934,684 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 9.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.52 AU - 5 AU

Year: 7168 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,176,195 km

• M1: 123,119 km (0.067 R)
• M2: 498,460 km (0.072 R)
• M3: 1,148,164 km (0.057 R)
• M4: 2,193,703 km (0.073 R)
• M5: 3,190,324 km (0.097 R)
• M6: 3,726,483 km (0.104 R)
• M7: 4,241,399 km (0.098 R)
• M8: 5,508,642 km (0.103 R)
• M9: 5,974,191 km (0.082 R)
• M10: 9,790,881 km (0.069 R)
• M11: 13,799,356 km (0.073 R)
• M12: 14,659,544 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 4.7

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.01 AU - 8.59 AU

Year: 16505 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,176,195 km

• M1: 58,493 km (0.052 R)
• M2: 235,317 km (0.037 R)
• M3: 805,285 km (0.034 R)
• M4: 1,319,004 km (0.111 R)
• M5: 1,487,601 km (0.088 R)
• M6: 1,868,328 km (0.067 R)
• M7: 2,311,287 km (0.114 R)
• M8: 2,959,644 km (0.059 R)
• M9: 4,089,856 km (0.11 R)
• M10: 4,267,728 km (0.057 R)
• M11: 9,408,210 km (0.098 R)
• M12: 10,803,210 km (0.036 R)
• M13: 14,264,755 km (0.075 R)
• M14: 14,674,504 km (0.108 R)
• M15: 14,952,008 km (0.116 R)
• M16: 19,462,384 km (0.11 R)
• M17: 20,051,201 km (0.053 R)
• M18: 22,160,232 km (0.111 R)
• M19: 24,509,666 km (0.068 R)
• M20: 26,402,379 km (0.105 R)
• M21: 27,227,710 km (0.084 R)
• M22: 37,213,518 km (0.112 R)
• M23: 39,040,407 km (0.09 R)
• M24: 41,063,419 km (0.088 R)
• M25: 43,439,183 km (0.113 R)
• M26: 43,724,615 km (0.108 R)
• M27: 50,010,718 km (0.054 R)
• M28: 52,232,845 km (0.095 R)
• M29: 56,532,736 km (0.064 R)
• M30: 56,872,922 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634

Radius: 3.7

Gravity: 46.31 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.31 AU - 9.45 AU

Year: 18265 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,176,195 km

• M1: 141,370 km (0.108 R)
• M2: 315,951 km (0.105 R)
• M3: 446,101 km (0.112 R)
• M4: 1,229,994 km (0.087 R)
• M5: 1,818,661 km (0.12 R)
• M6: 2,044,704 km (0.057 R)
• M7: 2,507,410 km (0.078 R)
• M8: 3,140,359 km (0.12 R)
• M9: 3,355,031 km (0.076 R)
• M10: 3,579,279 km (0.091 R)
• M11: 6,192,753 km (0.051 R)
• M12: 7,521,631 km (0.064 R)
• M13: 8,202,302 km (0.068 R)
• M14: 9,190,545 km (0.103 R)
• M15: 10,489,653 km (0.095 R)
• M16: 11,778,289 km (0.092 R)
• M17: 12,693,828 km (0.096 R)
• M18: 14,739,280 km (0.107 R)
• M19: 20,651,836 km (0.1 R)
• M20: 22,172,948 km (0.08 R)
• M21: 25,329,463 km (0.111 R)
• M22: 30,787,242 km (0.079 R)
• M23: 31,397,152 km (0.078 R)
• M24: 32,893,729 km (0.108 R)
• M25: 34,699,226 km (0.109 R)
• M26: 45,505,428 km (0.119 R)
• M27: 60,040,058 km (0.1 R)
• M28: 62,339,976 km (0.114 R)
• M29: 63,119,381 km (0.053 R)
• M30: 66,707,635 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 3.8

Gravity: 34.07 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.87 AU - 9.73 AU

Year: 19577 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,176,195 km

• M1: 52,958 km (0.112 R)
• M2: 198,217 km (0.103 R)
• M3: 337,942 km (0.102 R)
• M4: 522,396 km (0.12 R)
• M5: 677,828 km (0.119 R)
• M6: 1,520,812 km (0.086 R)
• M7: 1,735,784 km (0.035 R)
• M8: 2,008,651 km (0.098 R)
• M9: 2,900,852 km (0.096 R)
• M10: 3,101,613 km (0.029 R)
• M11: 4,311,411 km (0.107 R)
• M12: 4,776,211 km (0.109 R)
• M13: 4,950,044 km (0.093 R)
• M14: 5,092,162 km (0.053 R)
• M15: 5,962,672 km (0.078 R)
• M16: 6,164,330 km (0.074 R)
• M17: 7,196,256 km (0.051 R)
• M18: 8,139,919 km (0.073 R)
• M19: 8,795,756 km (0.076 R)
• M20: 9,760,962 km (0.061 R)
• M21: 11,461,291 km (0.1 R)
• M22: 11,710,372 km (0.073 R)
• M23: 13,212,783 km (0.11 R)
• M24: 17,073,605 km (0.105 R)
• M25: 22,099,645 km (0.078 R)
• M26: 22,485,458 km (0.054 R)
• M27: 23,369,731 km (0.112 R)
• M28: 24,687,688 km (0.117 R)
• M29: 25,312,409 km (0.106 R)
• M30: 26,161,526 km (0.066 R)
• M31: 28,254,101 km (0.077 R)
• M32: 30,455,583 km (0.101 R)
• M33: 33,018,943 km (0.075 R)
• M34: 35,854,570 km (0.087 R)
• M35: 37,467,684 km (0.059 R)
• M36: 44,251,798 km (0.037 R)
• M37: 45,327,407 km (0.09 R)
• M38: 55,981,618 km (0.111 R)
• M39: 56,518,225 km (0.045 R)
• M40: 58,331,950 km (0.109 R)
• M41: 63,616,046 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 12,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit