🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 15

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,330,992 km

• M1: 186,848 km (0.094 R)
• M2: 685,009 km (0.102 R)
• M3: 1,289,833 km (0.115 R)
• M4: 1,797,269 km (0.072 R)
• M5: 2,639,206 km (0.114 R)
• M6: 3,314,939 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 12.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.94 AU

Year: 589 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,330,992 km

• M1: 160,668 km (0.114 R)
• M2: 583,282 km (0.118 R)
• M3: 1,023,997 km (0.069 R)
• M4: 1,502,860 km (0.048 R)
• M5: 1,998,328 km (0.098 R)
• M6: 2,457,295 km (0.052 R)
• M7: 2,879,460 km (0.091 R)
• M8: 3,833,745 km (0.116 R)
• M9: 4,434,978 km (0.077 R)
• M10: 5,339,447 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.91 AU - 1.37 AU

Year: 840 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,330,992 km

• M1: 186,549 km (0.051 R)
• M2: 703,260 km (0.088 R)
• M3: 1,301,501 km (0.104 R)
• M4: 1,798,316 km (0.105 R)
• M5: 2,513,843 km (0.102 R)
• M6: 3,035,939 km (0.119 R)
• M7: 3,841,225 km (0.062 R)
• M8: 4,353,448 km (0.082 R)
• M9: 5,021,253 km (0.08 R)
• M10: 5,756,975 km (0.086 R)
• M11: 6,652,917 km (0.087 R)
• M12: 8,324,972 km (0.046 R)
• M13: 9,161,523 km (0.104 R)
• M14: 9,905,922 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 8.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.56 AU - 2.12 AU

Year: 1723 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,330,992 km

• M1: 103,223 km (0.107 R)
• M2: 500,405 km (0.115 R)
• M3: 935,884 km (0.074 R)
• M4: 1,469,051 km (0.103 R)
• M5: 2,005,060 km (0.089 R)
• M6: 2,879,161 km (0.111 R)
• M7: 3,526,471 km (0.049 R)
• M8: 3,851,248 km (0.108 R)
• M9: 4,213,723 km (0.053 R)
• M10: 4,561,089 km (0.042 R)
• M11: 5,169,205 km (0.1 R)
• M12: 5,482,164 km (0.071 R)
• M13: 6,146,528 km (0.094 R)
• M14: 6,863,401 km (0.075 R)
• M15: 7,449,824 km (0.101 R)
• M16: 7,931,679 km (0.05 R)
• M17: 9,197,277 km (0.056 R)
• M18: 10,101,895 km (0.105 R)
• M19: 10,996,341 km (0.113 R)
• M20: 11,585,906 km (0.116 R)
• M21: 12,454,023 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 14.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.99 AU - 2.51 AU

Year: 2330 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,330,992 km

• M1: 185,352 km (0.111 R)
• M2: 803,939 km (0.108 R)
• M3: 1,560,455 km (0.07 R)
• M4: 2,633,820 km (0.096 R)
• M5: 3,456,758 km (0.059 R)
• M6: 4,467,142 km (0.104 R)
• M7: 5,158,434 km (0.115 R)
• M8: 5,818,011 km (0.087 R)
• M9: 7,071,491 km (0.077 R)
• M10: 8,698,069 km (0.103 R)
• M11: 12,337,935 km (0.084 R)
• M12: 12,942,609 km (0.11 R)
• M13: 13,794,719 km (0.067 R)
• M14: 14,304,997 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 11.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.51 AU - 3.57 AU

Year: 3659 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,330,992 km

• M1: 144,362 km (0.059 R)
• M2: 545,883 km (0.066 R)
• M3: 1,006,195 km (0.109 R)
• M4: 1,815,221 km (0.119 R)
• M5: 2,279,273 km (0.119 R)
• M6: 2,904,891 km (0.049 R)
• M7: 3,513,456 km (0.097 R)
• M8: 3,908,244 km (0.077 R)
• M9: 4,866,718 km (0.11 R)
• M10: 5,337,951 km (0.046 R)
• M11: 5,817,113 km (0.035 R)
• M12: 6,253,789 km (0.057 R)
• M13: 7,013,597 km (0.098 R)
• M14: 9,259,659 km (0.108 R)
• M15: 10,479,331 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 10

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.19 AU - 4.47 AU

Year: 5174 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 81.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,330,992 km

• M1: 124,316 km (0.105 R)
• M2: 444,006 km (0.095 R)
• M3: 994,975 km (0.086 R)
• M4: 1,318,556 km (0.095 R)
• M5: 2,748,113 km (0.067 R)
• M6: 3,154,271 km (0.083 R)
• M7: 4,383,068 km (0.088 R)
• M8: 4,741,056 km (0.117 R)
• M9: 5,905,825 km (0.12 R)
• M10: 6,284,008 km (0.095 R)
• M11: 6,992,803 km (0.115 R)
• M12: 7,449,974 km (0.041 R)
• M13: 8,904,065 km (0.096 R)
• M14: 9,402,376 km (0.087 R)
• M15: 10,538,871 km (0.092 R)
• M16: 12,696,670 km (0.106 R)
• M17: 16,519,195 km (0.086 R)
• M18: 20,251,812 km (0.029 R)
• M19: 22,418,587 km (0.08 R)
• M20: 22,912,559 km (0.092 R)
• M21: 24,289,608 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 9.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.86 AU - 4.4 AU

Year: 5793 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,330,992 km

• M1: 119,379 km (0.045 R)
• M2: 434,432 km (0.096 R)
• M3: 761,902 km (0.083 R)
• M4: 1,211,892 km (0.102 R)
• M5: 1,546,244 km (0.106 R)
• M6: 2,055,924 km (0.067 R)
• M7: 2,406,731 km (0.1 R)
• M8: 3,055,985 km (0.078 R)
• M9: 3,391,384 km (0.094 R)
• M10: 3,952,525 km (0.083 R)
• M11: 4,778,306 km (0.07 R)
• M12: 5,150,056 km (0.07 R)
• M13: 5,569,828 km (0.111 R)
• M14: 7,068,948 km (0.07 R)
• M15: 8,169,839 km (0.052 R)
• M16: 10,486,661 km (0.11 R)
• M17: 10,798,573 km (0.118 R)
• M18: 11,394,271 km (0.108 R)
• M19: 12,255,058 km (0.099 R)
• M20: 14,322,500 km (0.105 R)
• M21: 16,077,134 km (0.081 R)
• M22: 17,036,654 km (0.086 R)
• M23: 17,344,377 km (0.084 R)
• M24: 19,334,926 km (0.066 R)
• M25: 22,195,387 km (0.105 R)
• M26: 26,459,824 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 9.8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.16 AU - 6.8 AU

Year: 8855 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,330,992 km

• M1: 122,072 km (0.08 R)
• M2: 462,257 km (0.099 R)
• M3: 797,207 km (0.084 R)
• M4: 1,160,131 km (0.065 R)
• M5: 1,605,484 km (0.074 R)
• M6: 1,941,930 km (0.111 R)
• M7: 3,064,213 km (0.043 R)
• M8: 3,898,221 km (0.074 R)
• M9: 4,753,472 km (0.069 R)
• M10: 6,338,312 km (0.095 R)
• M11: 8,932,040 km (0.054 R)
• M12: 9,311,570 km (0.087 R)
• M13: 9,901,135 km (0.105 R)
• M14: 10,885,190 km (0.108 R)
• M15: 14,813,181 km (0.062 R)
• M16: 15,753,553 km (0.06 R)
• M17: 16,519,943 km (0.104 R)
• M18: 18,278,017 km (0.104 R)
• M19: 18,659,492 km (0.093 R)
• M20: 20,157,565 km (0.073 R)
• M21: 22,162,476 km (0.036 R)
• M22: 23,124,390 km (0.117 R)
• M23: 24,572,946 km (0.109 R)
• M24: 32,510,011 km (0.07 R)
• M25: 42,134,390 km (0.069 R)
• M26: 42,934,589 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.6

Radius: 4.3

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.56 AU - 8.62 AU

Year: 17378 Days

Day: 22.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,330,992 km

• M1: 53,556 km (0.081 R)
• M2: 255,513 km (0.056 R)
• M3: 455,675 km (0.115 R)
• M4: 947,403 km (0.105 R)
• M5: 1,099,096 km (0.079 R)
• M6: 1,747,752 km (0.075 R)
• M7: 2,990,312 km (0.105 R)
• M8: 4,665,658 km (0.117 R)
• M9: 5,407,813 km (0.026 R)
• M10: 5,648,516 km (0.113 R)
• M11: 7,328,800 km (0.052 R)
• M12: 11,862,962 km (0.118 R)
• M13: 13,295,361 km (0.085 R)
• M14: 15,379,110 km (0.118 R)
• M15: 18,048,385 km (0.1 R)
• M16: 21,349,262 km (0.104 R)
• M17: 23,006,806 km (0.095 R)
• M18: 32,368,641 km (0.083 R)
• M19: 34,199,569 km (0.103 R)
• M20: 36,461,938 km (0.115 R)
• M21: 39,076,460 km (0.042 R)
• M22: 40,364,198 km (0.116 R)
• M23: 48,102,298 km (0.093 R)
• M24: 49,133,925 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 19,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit