🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 9.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,811,900 km

• M1: 120,576 km (0.07 R)
• M2: 480,359 km (0.081 R)
• M3: 796,609 km (0.035 R)
• M4: 1,437,486 km (0.116 R)
• M5: 1,757,925 km (0.12 R)
• M6: 2,114,117 km (0.042 R)
• M7: 2,440,540 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 8.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,811,900 km

• M1: 100,829 km (0.059 R)
• M2: 624,870 km (0.063 R)
• M3: 1,228,049 km (0.118 R)
• M4: 1,578,258 km (0.058 R)
• M5: 2,053,081 km (0.111 R)
• M6: 2,507,560 km (0.118 R)
• M7: 2,828,148 km (0.101 R)
• M8: 3,145,894 km (0.064 R)
• M9: 3,595,585 km (0.056 R)
• M10: 4,040,040 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 8.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.68 AU - 0.72 AU

Year: 404 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,811,900 km

• M1: 102,026 km (0.11 R)
• M2: 370,704 km (0.107 R)
• M3: 664,813 km (0.111 R)
• M4: 967,150 km (0.099 R)
• M5: 1,835,566 km (0.111 R)
• M6: 2,259,676 km (0.047 R)
• M7: 2,670,172 km (0.094 R)
• M8: 3,045,065 km (0.091 R)
• M9: 3,334,088 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 8

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.84 AU - 2.6 AU

Year: 2283 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,811,900 km

• M1: 99,483 km (0.108 R)
• M2: 366,664 km (0.12 R)
• M3: 705,354 km (0.089 R)
• M4: 1,233,734 km (0.067 R)
• M5: 1,894,657 km (0.113 R)
• M6: 2,223,324 km (0.055 R)
• M7: 2,530,897 km (0.034 R)
• M8: 2,979,990 km (0.087 R)
• M9: 3,372,983 km (0.076 R)
• M10: 3,666,494 km (0.093 R)
• M11: 4,785,785 km (0.082 R)
• M12: 5,598,401 km (0.119 R)
• M13: 6,725,621 km (0.084 R)
• M14: 7,222,286 km (0.086 R)
• M15: 11,697,805 km (0.108 R)
• M16: 12,287,520 km (0.038 R)
• M17: 13,617,595 km (0.116 R)
• M18: 14,081,498 km (0.081 R)
• M19: 15,090,236 km (0.051 R)
• M20: 15,890,435 km (0.083 R)
• M21: 17,250,729 km (0.066 R)
• M22: 19,202,083 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 14.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.07 AU - 3.45 AU

Year: 3165 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,811,900 km

• M1: 184,155 km (0.096 R)
• M2: 702,063 km (0.034 R)
• M3: 1,550,283 km (0.064 R)
• M4: 2,308,744 km (0.109 R)
• M5: 2,775,489 km (0.082 R)
• M6: 3,803,077 km (0.098 R)
• M7: 4,736,418 km (0.05 R)
• M8: 6,203,674 km (0.101 R)
• M9: 6,784,862 km (0.108 R)
• M10: 8,643,915 km (0.055 R)
• M11: 9,596,703 km (0.112 R)
• M12: 10,781,818 km (0.096 R)
• M13: 11,495,549 km (0.085 R)
• M14: 12,648,051 km (0.104 R)
• M15: 14,170,808 km (0.102 R)
• M16: 14,670,914 km (0.084 R)
• M17: 15,234,598 km (0.116 R)
• M18: 19,779,980 km (0.091 R)
• M19: 20,279,188 km (0.089 R)
• M20: 22,971,202 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.4

Radius: 5.6

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.87 AU - 7.37 AU

Year: 10451 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,811,900 km

• M1: 69,713 km (0.109 R)
• M2: 830,268 km (0.086 R)
• M3: 1,004,550 km (0.071 R)
• M4: 1,710,652 km (0.03 R)
• M5: 2,093,921 km (0.083 R)
• M6: 2,513,992 km (0.095 R)
• M7: 3,247,022 km (0.077 R)
• M8: 3,784,677 km (0.089 R)
• M9: 5,095,154 km (0.08 R)
• M10: 5,985,710 km (0.085 R)
• M11: 8,572,856 km (0.104 R)
• M12: 11,044,512 km (0.118 R)
• M13: 11,663,697 km (0.032 R)
• M14: 11,981,892 km (0.098 R)
• M15: 13,954,041 km (0.072 R)
• M16: 14,312,627 km (0.025 R)
• M17: 16,461,450 km (0.109 R)
• M18: 19,923,145 km (0.115 R)
• M19: 21,544,637 km (0.072 R)
• M20: 24,439,355 km (0.1 R)
• M21: 24,960,255 km (0.076 R)
• M22: 25,311,661 km (0.077 R)
• M23: 26,024,345 km (0.092 R)
• M24: 27,396,456 km (0.08 R)
• M25: 33,368,703 km (0.051 R)
• M26: 33,902,318 km (0.083 R)
• M27: 37,110,145 km (0.049 R)
• M28: 39,436,542 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805

Radius: 3.8

Gravity: 55.75 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.04 AU - 11.66 AU

Year: 19735 Days

Day: 24.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,811,900 km

• M1: 47,423 km (0.101 R)
• M2: 349,161 km (0.109 R)
• M3: 534,663 km (0.117 R)
• M4: 977,622 km (0.105 R)
• M5: 1,366,128 km (0.106 R)
• M6: 2,237,984 km (0.1 R)
• M7: 3,256,746 km (0.044 R)
• M8: 3,758,048 km (0.094 R)
• M9: 4,208,039 km (0.102 R)
• M10: 5,023,945 km (0.093 R)
• M11: 5,731,992 km (0.119 R)
• M12: 5,856,158 km (0.036 R)
• M13: 7,150,928 km (0.088 R)
• M14: 8,095,938 km (0.08 R)
• M15: 8,625,215 km (0.111 R)
• M16: 8,898,381 km (0.107 R)
• M17: 15,326,152 km (0.073 R)
• M18: 18,278,616 km (0.108 R)
• M19: 19,465,226 km (0.07 R)
• M20: 20,029,809 km (0.083 R)
• M21: 23,017,577 km (0.113 R)
• M22: 24,945,744 km (0.105 R)
• M23: 36,784,022 km (0.109 R)
• M24: 36,926,888 km (0.038 R)
• M25: 39,410,661 km (0.036 R)
• M26: 42,159,522 km (0.09 R)
• M27: 48,205,819 km (0.118 R)
• M28: 51,524,050 km (0.085 R)
• M29: 61,377,014 km (0.097 R)
• M30: 75,135,231 km (0.092 R)
• M31: 76,521,405 km (0.207 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.8

Radius: 5.5

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.29 AU - 9.71 AU

Year: 20211 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,811,900 km

• M1: 68,366 km (0.082 R)
• M2: 257,608 km (0.058 R)
• M3: 454,179 km (0.094 R)
• M4: 635,791 km (0.116 R)
• M5: 1,262,157 km (0.095 R)
• M6: 1,501,215 km (0.101 R)
• M7: 1,916,648 km (0.029 R)
• M8: 2,171,862 km (0.063 R)
• M9: 2,632,175 km (0.118 R)
• M10: 2,923,142 km (0.116 R)
• M11: 3,181,648 km (0.043 R)
• M12: 3,399,462 km (0.119 R)
• M13: 4,018,797 km (0.097 R)
• M14: 5,478,872 km (0.091 R)
• M15: 5,994,387 km (0.098 R)
• M16: 6,760,926 km (0.105 R)
• M17: 8,383,764 km (0.078 R)
• M18: 11,851,443 km (0.081 R)
• M19: 15,005,265 km (0.055 R)
• M20: 15,464,081 km (0.111 R)
• M21: 16,733,270 km (0.029 R)
• M22: 17,645,069 km (0.04 R)
• M23: 18,328,731 km (0.101 R)
• M24: 23,411,917 km (0.044 R)
• M25: 23,822,115 km (0.058 R)
• M26: 24,868,252 km (0.051 R)
• M27: 25,081,130 km (0.082 R)
• M28: 28,654,724 km (0.061 R)
• M29: 30,684,468 km (0.101 R)
• M30: 32,426,386 km (0.104 R)
• M31: 33,710,384 km (0.052 R)
• M32: 35,161,334 km (0.045 R)
• M33: 40,788,907 km (0.037 R)
• M34: 45,224,633 km (0.075 R)
• M35: 48,963,233 km (0.072 R)
• M36: 58,916,279 km (0.112 R)
• M37: 68,452,694 km (0.097 R)
• M38: 71,416,378 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 7.3

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.46 AU - 11.6 AU

Year: 21926 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,811,900 km

• M1: 147,803 km (0.066 R)
• M2: 1,005,447 km (0.03 R)
• M3: 2,172,161 km (0.114 R)
• M4: 3,122,407 km (0.097 R)
• M5: 4,534,611 km (0.115 R)
• M6: 5,481,116 km (0.12 R)
• M7: 6,196,194 km (0.112 R)
• M8: 7,115,174 km (0.079 R)
• M9: 9,451,893 km (0.051 R)
• M10: 11,509,312 km (0.059 R)
• M11: 15,653,921 km (0.112 R)
• M12: 23,154,609 km (0.087 R)
• M13: 24,453,567 km (0.035 R)
• M14: 32,879,218 km (0.116 R)
• M15: 46,860,935 km (0.095 R)
• M16: 47,545,345 km (0.068 R)
• M17: 54,949,691 km (0.062 R)
• M18: 61,032,490 km (0.095 R)
• M19: 69,746,417 km (0.063 R)
• M20: 72,673,299 km (0.067 R)
• M21: 80,469,143 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.3

Radius: 8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.76 AU - 10.92 AU

Year: 22950 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,811,900 km

• M1: 100,829 km (0.118 R)
• M2: 518,805 km (0.114 R)
• M3: 832,063 km (0.049 R)
• M4: 1,244,654 km (0.033 R)
• M5: 2,617,664 km (0.101 R)
• M6: 3,263,029 km (0.078 R)
• M7: 3,594,837 km (0.047 R)
• M8: 3,858,428 km (0.071 R)
• M9: 5,375,949 km (0.076 R)
• M10: 5,643,580 km (0.1 R)
• M11: 7,440,998 km (0.101 R)
• M12: 9,646,071 km (0.095 R)
• M13: 12,385,208 km (0.109 R)
• M14: 13,194,981 km (0.098 R)
• M15: 16,628,103 km (0.077 R)
• M16: 17,865,277 km (0.101 R)
• M17: 20,061,673 km (0.11 R)
• M18: 22,138,091 km (0.053 R)
• M19: 24,982,844 km (0.098 R)
• M20: 27,158,147 km (0.069 R)
• M21: 27,494,892 km (0.097 R)
• M22: 28,986,831 km (0.087 R)
• M23: 31,757,234 km (0.075 R)
• M24: 32,382,105 km (0.074 R)
• M25: 33,015,053 km (0.117 R)
• M26: 34,044,885 km (0.076 R)
• M27: 37,401,263 km (0.077 R)
• M28: 45,865,660 km (0.116 R)
• M29: 47,308,980 km (0.025 R)
• M30: 51,305,936 km (0.051 R)
• M31: 52,686,724 km (0.114 R)
• M32: 54,447,342 km (0.101 R)
• M33: 61,882,506 km (0.111 R)
• M34: 62,271,161 km (0.107 R)
• M35: 63,841,639 km (0.051 R)
• M36: 64,836,615 km (0.075 R)
• M37: 68,296,664 km (0.07 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: 211 - 14,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit