🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 14.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,811,126 km

• M1: 181,313 km (0.074 R)
• M2: 1,028,785 km (0.078 R)
• M3: 1,490,743 km (0.084 R)
• M4: 1,954,197 km (0.094 R)
• M5: 2,570,839 km (0.103 R)
• M6: 3,108,793 km (0.073 R)
• M7: 3,819,234 km (0.118 R)
• M8: 4,306,773 km (0.102 R)
• M9: 4,894,094 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 10.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.59 AU - 1.69 AU

Year: 1401 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 134.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,811,126 km

• M1: 131,796 km (0.117 R)
• M2: 477,516 km (0.057 R)
• M3: 1,132,456 km (0.065 R)
• M4: 1,466,658 km (0.1 R)
• M5: 1,895,704 km (0.075 R)
• M6: 2,848,044 km (0.117 R)
• M7: 3,246,423 km (0.092 R)
• M8: 3,609,198 km (0.117 R)
• M9: 4,045,874 km (0.039 R)
• M10: 4,517,706 km (0.077 R)
• M11: 5,062,542 km (0.076 R)
• M12: 5,689,955 km (0.118 R)
• M13: 6,390,073 km (0.093 R)
• M14: 6,805,656 km (0.051 R)
• M15: 7,239,340 km (0.049 R)
• M16: 7,715,660 km (0.092 R)
• M17: 8,162,060 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 14.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.34 AU - 2.1 AU

Year: 1504 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,811,126 km

• M1: 185,501 km (0.111 R)
• M2: 666,758 km (0.104 R)
• M3: 1,988,006 km (0.104 R)
• M4: 2,632,923 km (0.115 R)
• M5: 3,359,220 km (0.103 R)
• M6: 4,005,184 km (0.054 R)
• M7: 5,629,218 km (0.1 R)
• M8: 6,411,914 km (0.063 R)
• M9: 7,658,663 km (0.042 R)
• M10: 8,273,959 km (0.114 R)
• M11: 8,811,763 km (0.079 R)
• M12: 9,898,442 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.8 AU - 3.68 AU

Year: 3889 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,811,126 km

• M1: 184,005 km (0.12 R)
• M2: 651,648 km (0.078 R)
• M3: 3,210,520 km (0.101 R)
• M4: 3,945,943 km (0.114 R)
• M5: 5,297,709 km (0.106 R)
• M6: 5,923,627 km (0.053 R)
• M7: 9,908,017 km (0.113 R)
• M8: 10,565,200 km (0.087 R)
• M9: 11,120,507 km (0.081 R)
• M10: 12,243,239 km (0.091 R)
• M11: 16,573,798 km (0.099 R)
• M12: 18,219,525 km (0.086 R)
• M13: 19,333,580 km (0.109 R)
• M14: 22,807,392 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.1

Radius: 15

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.98 AU - 3.84 AU

Year: 4199 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,811,126 km

• M1: 186,549 km (0.028 R)
• M2: 692,937 km (0.078 R)
• M3: 1,283,400 km (0.094 R)
• M4: 2,013,438 km (0.095 R)
• M5: 2,583,256 km (0.102 R)
• M6: 3,142,752 km (0.087 R)
• M7: 3,670,533 km (0.088 R)
• M8: 5,256,720 km (0.073 R)
• M9: 5,979,876 km (0.118 R)
• M10: 6,461,730 km (0.094 R)
• M11: 7,844,015 km (0.083 R)
• M12: 8,756,861 km (0.066 R)
• M13: 11,149,230 km (0.081 R)
• M14: 11,634,675 km (0.081 R)
• M15: 12,910,296 km (0.071 R)
• M16: 16,872,695 km (0.034 R)
• M17: 19,302,763 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 11

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.45 AU - 5.33 AU

Year: 6134 Days

Day: 12.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,811,126 km

• M1: 137,032 km (0.075 R)
• M2: 820,694 km (0.118 R)
• M3: 1,210,247 km (0.12 R)
• M4: 1,561,054 km (0.025 R)
• M5: 2,771,151 km (0.074 R)
• M6: 3,374,030 km (0.104 R)
• M7: 3,823,273 km (0.051 R)
• M8: 4,289,121 km (0.094 R)
• M9: 5,281,852 km (0.068 R)
• M10: 5,804,248 km (0.042 R)
• M11: 9,775,772 km (0.086 R)
• M12: 10,144,381 km (0.073 R)
• M13: 10,650,172 km (0.105 R)
• M14: 11,942,548 km (0.097 R)
• M15: 12,459,259 km (0.093 R)
• M16: 14,729,706 km (0.053 R)
• M17: 15,544,116 km (0.048 R)
• M18: 16,047,214 km (0.118 R)
• M19: 16,560,933 km (0.116 R)
• M20: 23,394,414 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.2

Radius: 14.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.2 AU - 4.74 AU

Year: 6302 Days

Day: 14.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,811,126 km

• M1: 185,352 km (0.08 R)
• M2: 735,872 km (0.074 R)
• M3: 1,211,593 km (0.108 R)
• M4: 3,130,485 km (0.089 R)
• M5: 4,378,879 km (0.032 R)
• M6: 5,381,484 km (0.105 R)
• M7: 5,937,689 km (0.114 R)
• M8: 6,532,341 km (0.028 R)
• M9: 8,076,191 km (0.083 R)
• M10: 10,404,233 km (0.031 R)
• M11: 10,880,104 km (0.093 R)
• M12: 15,782,875 km (0.029 R)
• M13: 19,100,806 km (0.117 R)
• M14: 23,098,809 km (0.096 R)
• M15: 31,506,808 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 9.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.69 AU - 5.53 AU

Year: 7703 Days

Day: 7.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,811,126 km

• M1: 113,096 km (0.083 R)
• M2: 524,041 km (0.102 R)
• M3: 1,038,359 km (0.088 R)
• M4: 1,343,538 km (0.098 R)
• M5: 1,736,831 km (0.078 R)
• M6: 2,189,814 km (0.071 R)
• M7: 3,399,612 km (0.104 R)
• M8: 4,503,494 km (0.074 R)
• M9: 5,271,679 km (0.101 R)
• M10: 5,895,054 km (0.065 R)
• M11: 7,066,555 km (0.105 R)
• M12: 12,555,151 km (0.04 R)
• M13: 15,021,721 km (0.049 R)
• M14: 15,451,814 km (0.066 R)
• M15: 16,465,490 km (0.113 R)
• M16: 16,856,987 km (0.106 R)
• M17: 18,979,033 km (0.051 R)
• M18: 23,498,684 km (0.094 R)
• M19: 23,828,846 km (0.113 R)
• M20: 24,923,304 km (0.1 R)
• M21: 27,484,869 km (0.1 R)
• M22: 29,255,210 km (0.097 R)
• M23: 29,637,433 km (0.115 R)
• M24: 33,021,785 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711

Radius: 6.5

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.61 AU - 10.41 AU

Year: 19557 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,811,126 km

• M1: 80,783 km (0.056 R)
• M2: 316,848 km (0.071 R)
• M3: 600,935 km (0.041 R)
• M4: 1,115,851 km (0.106 R)
• M5: 1,460,075 km (0.115 R)
• M6: 1,968,409 km (0.076 R)
• M7: 2,428,123 km (0.05 R)
• M8: 2,855,225 km (0.071 R)
• M9: 4,824,681 km (0.082 R)
• M10: 6,066,792 km (0.096 R)
• M11: 6,852,330 km (0.074 R)
• M12: 7,460,446 km (0.098 R)
• M13: 8,946,102 km (0.08 R)
• M14: 9,276,414 km (0.111 R)
• M15: 11,114,523 km (0.116 R)
• M16: 15,970,769 km (0.101 R)
• M17: 19,862,708 km (0.098 R)
• M18: 21,191,586 km (0.057 R)
• M19: 21,877,791 km (0.079 R)
• M20: 22,376,999 km (0.042 R)
• M21: 23,088,487 km (0.096 R)
• M22: 25,095,641 km (0.09 R)
• M23: 29,092,597 km (0.091 R)
• M24: 30,679,083 km (0.056 R)
• M25: 31,556,923 km (0.117 R)
• M26: 34,424,564 km (0.106 R)
• M27: 42,808,029 km (0.08 R)
• M28: 52,100,750 km (0.113 R)
• M29: 63,052,810 km (0.12 R)
• M30: 75,897,433 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.4

Radius: 5.6

Gravity: 24.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.72 AU - 11.52 AU

Year: 21468 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,811,126 km

• M1: 76,295 km (0.085 R)
• M2: 251,474 km (0.088 R)
• M3: 544,237 km (0.044 R)
• M4: 751,580 km (0.07 R)
• M5: 1,063,342 km (0.118 R)
• M6: 1,409,511 km (0.12 R)
• M7: 1,985,014 km (0.057 R)
• M8: 2,705,328 km (0.096 R)
• M9: 3,293,098 km (0.075 R)
• M10: 4,027,324 km (0.063 R)
• M11: 4,940,170 km (0.039 R)
• M12: 5,325,535 km (0.097 R)
• M13: 6,880,305 km (0.12 R)
• M14: 8,018,745 km (0.036 R)
• M15: 11,045,409 km (0.082 R)
• M16: 16,213,567 km (0.07 R)
• M17: 18,483,415 km (0.104 R)
• M18: 20,173,422 km (0.034 R)
• M19: 24,402,255 km (0.062 R)
• M20: 25,971,537 km (0.116 R)
• M21: 30,187,055 km (0.05 R)
• M22: 33,192,327 km (0.07 R)
• M23: 34,976,132 km (0.101 R)
• M24: 35,678,943 km (0.093 R)
• M25: 38,733,731 km (0.043 R)
• M26: 41,019,587 km (0.116 R)
• M27: 43,716,986 km (0.066 R)
• M28: 51,423,221 km (0.114 R)
• M29: 51,603,935 km (0.092 R)
• M30: 52,881,651 km (0.07 R)
• M31: 55,499,912 km (0.107 R)
• M32: 57,811,948 km (0.025 R)
• M33: 61,602,608 km (0.098 R)
• M34: 63,454,630 km (0.038 R)
• M35: 67,702,611 km (0.096 R)
• M36: 67,919,827 km (0.115 R)
• M37: 68,355,605 km (0.104 R)
• M38: 81,085,636 km (0.09 R)
• M39: 82,315,630 km (0.112 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: 217 - 13,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit