🌌 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 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.44 AU - 0.68 AU

Year: 275 Days

Day: 28.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 20.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,724,567 km

• M1: 85,869 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 13.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.72 AU - 1.08 AU

Year: 560 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 66,724,567 km

• M1: 170,242 km (0.104 R)
• M2: 264,489 km (0.075 R)
• M3: 399,277 km (0.084 R)
• M4: 555,457 km (0.069 R)
• M5: 804,687 km (0.045 R)
• M6: 907,012 km (0.084 R)
• M7: 997,818 km (0.078 R)
• M8: 1,108,969 km (0.101 R)
• M9: 1,254,528 km (0.057 R)
• M10: 1,357,301 km (0.063 R)
• M11: 1,526,796 km (0.044 R)
• M12: 1,670,260 km (0.038 R)
• M13: 1,866,682 km (0.105 R)
• M14: 1,971,401 km (0.04 R)
• M15: 2,253,243 km (0.085 R)
• M16: 2,463,877 km (0.106 R)
• M17: 2,556,029 km (0.104 R)
• M18: 2,641,749 km (0.053 R)
• M19: 2,920,898 km (0.108 R)
• M20: 3,093,086 km (0.083 R)
• M21: 3,251,809 km (0.11 R)
• M22: 3,464,986 km (0.089 R)
• M23: 3,577,633 km (0.101 R)
• M24: 3,762,386 km (0.095 R)
• M25: 3,860,373 km (0.118 R)
• M26: 4,150,443 km (0.117 R)
• M27: 4,513,817 km (0.085 R)
• M28: 4,637,235 km (0.099 R)
• M29: 4,761,700 km (0.1 R)
• M30: 4,877,788 km (0.098 R)
• M31: 5,033,968 km (0.061 R)
• M32: 5,291,277 km (0.051 R)
• M33: 5,401,530 km (0.108 R)
• M34: 5,644,627 km (0.08 R)
• M35: 5,850,025 km (0.046 R)
• M36: 5,964,018 km (0.116 R)
• M37: 6,205,020 km (0.092 R)
• M38: 6,417,150 km (0.093 R)
• M39: 6,534,734 km (0.087 R)
• M40: 6,837,670 km (0.109 R)
• M41: 7,001,779 km (0.088 R)
• M42: 7,446,084 km (0.12 R)
• M43: 7,592,391 km (0.094 R)
• M44: 7,717,006 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.7

Radius: 14.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.21 AU - 1.29 AU

Year: 917 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,724,567 km

• M1: 213,775 km (0.043 R)
• M2: 326,423 km (0.112 R)
• M3: 486,193 km (0.114 R)
• M4: 609,761 km (0.062 R)
• M5: 712,086 km (0.063 R)
• M6: 865,872 km (0.107 R)
• M7: 1,000,361 km (0.064 R)
• M8: 1,163,722 km (0.105 R)
• M9: 1,270,684 km (0.115 R)
• M10: 1,426,565 km (0.114 R)
• M11: 1,603,390 km (0.027 R)
• M12: 1,743,713 km (0.107 R)
• M13: 1,969,755 km (0.058 R)
• M14: 2,115,613 km (0.093 R)
• M15: 2,281,368 km (0.111 R)
• M16: 2,529,999 km (0.084 R)
• M17: 2,781,922 km (0.109 R)
• M18: 2,875,570 km (0.064 R)
• M19: 3,230,566 km (0.099 R)
• M20: 3,354,134 km (0.072 R)
• M21: 3,460,498 km (0.101 R)
• M22: 3,599,774 km (0.052 R)
• M23: 3,812,502 km (0.117 R)
• M24: 3,963,147 km (0.108 R)
• M25: 4,062,629 km (0.115 R)
• M26: 4,196,370 km (0.11 R)
• M27: 4,311,411 km (0.101 R)
• M28: 4,434,230 km (0.114 R)
• M29: 4,586,072 km (0.085 R)
• M30: 4,767,834 km (0.084 R)
• M31: 4,866,568 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 12

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.28 AU - 1.52 AU

Year: 1087 Days

Day: 13.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 66,724,567 km

• M1: 149,448 km (0.081 R)
• M2: 231,278 km (0.097 R)
• M3: 322,383 km (0.101 R)
• M4: 413,040 km (0.045 R)
• M5: 529,277 km (0.081 R)
• M6: 604,525 km (0.099 R)
• M7: 752,028 km (0.078 R)
• M8: 889,659 km (0.052 R)
• M9: 1,048,681 km (0.086 R)
• M10: 1,160,281 km (0.118 R)
• M11: 1,263,055 km (0.12 R)
• M12: 1,423,274 km (0.117 R)
• M13: 1,527,095 km (0.07 R)
• M14: 1,839,007 km (0.057 R)
• M15: 2,022,264 km (0.1 R)
• M16: 2,116,062 km (0.12 R)
• M17: 2,341,057 km (0.105 R)
• M18: 2,473,152 km (0.088 R)
• M19: 2,659,102 km (0.03 R)
• M20: 2,884,845 km (0.11 R)
• M21: 2,973,258 km (0.096 R)
• M22: 3,189,576 km (0.104 R)
• M23: 3,290,405 km (0.089 R)
• M24: 3,401,706 km (0.096 R)
• M25: 3,552,201 km (0.09 R)
• M26: 4,106,013 km (0.044 R)
• M27: 4,205,944 km (0.059 R)
• M28: 4,377,832 km (0.096 R)
• M29: 4,541,791 km (0.043 R)
• M30: 4,770,526 km (0.096 R)
• M31: 4,896,937 km (0.1 R)
• M32: 5,024,544 km (0.048 R)
• M33: 5,110,263 km (0.043 R)
• M34: 5,293,820 km (0.077 R)
• M35: 5,545,892 km (0.063 R)
• M36: 5,701,175 km (0.06 R)
• M37: 6,050,336 km (0.071 R)
• M38: 6,141,591 km (0.11 R)
• M39: 6,290,890 km (0.109 R)
• M40: 6,828,844 km (0.104 R)
• M41: 7,139,558 km (0.108 R)
• M42: 7,442,644 km (0.102 R)
• M43: 7,528,214 km (0.072 R)
• M44: 7,774,751 km (0.074 R)
• M45: 7,948,883 km (0.099 R)
• M46: 8,377,331 km (0.094 R)
• M47: 8,479,207 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.2

Radius: 6.9

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.81 AU - 9.57 AU

Year: 18276 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 128.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 66,724,567 km

• M1: 152,440 km (0.051 R)
• M2: 246,687 km (0.092 R)
• M3: 618,886 km (0.086 R)
• M4: 1,427,313 km (0.099 R)
• M5: 1,795,922 km (0.099 R)
• M6: 2,516,984 km (0.088 R)
• M7: 2,583,555 km (0.048 R)
• M8: 2,890,680 km (0.103 R)
• M9: 3,613,985 km (0.032 R)
• M10: 3,995,909 km (0.068 R)
• M11: 4,592,804 km (0.115 R)
• M12: 5,648,367 km (0.056 R)
• M13: 7,340,618 km (0.098 R)
• M14: 8,565,974 km (0.087 R)
• M15: 8,666,803 km (0.089 R)
• M16: 9,643,528 km (0.069 R)
• M17: 9,906,371 km (0.117 R)
• M18: 9,959,179 km (0.079 R)
• M19: 10,331,678 km (0.096 R)
• M20: 10,546,650 km (0.078 R)
• M21: 11,035,685 km (0.105 R)
• M22: 11,090,438 km (0.109 R)
• M23: 11,365,848 km (0.035 R)
• M24: 12,489,627 km (0.119 R)
• M25: 13,064,681 km (0.097 R)
• M26: 13,707,204 km (0.113 R)
• M27: 13,943,419 km (0.107 R)
• M28: 14,360,049 km (0.109 R)
• M29: 15,450,019 km (0.118 R)
• M30: 16,440,956 km (0.091 R)
• M31: 16,881,073 km (0.037 R)
• M32: 17,197,771 km (0.098 R)
• M33: 17,772,676 km (0.071 R)
• M34: 17,965,807 km (0.106 R)
• M35: 18,224,312 km (0.115 R)
• M36: 18,941,484 km (0.119 R)
• M37: 19,138,654 km (0.112 R)
• M38: 19,601,510 km (0.079 R)
• M39: 19,867,644 km (0.084 R)
• M40: 20,001,235 km (0.079 R)
• M41: 20,808,465 km (0.115 R)
• M42: 21,079,986 km (0.088 R)
• M43: 21,216,120 km (0.108 R)
• M44: 21,489,435 km (0.081 R)
• M45: 22,872,916 km (0.099 R)
• M46: 23,787,707 km (0.065 R)
• M47: 23,929,526 km (0.078 R)
• M48: 24,427,986 km (0.116 R)
• M49: 24,786,123 km (0.109 R)
• M50: 25,218,162 km (0.083 R)
• M51: 27,118,952 km (0.109 R)
• M52: 28,687,785 km (0.093 R)
• M53: 29,749,781 km (0.101 R)
• M54: 31,522,366 km (0.118 R)
• M55: 33,408,346 km (0.074 R)
• M56: 33,885,414 km (0.112 R)
• M57: 34,204,805 km (0.104 R)
• M58: 37,041,630 km (0.097 R)
• M59: 37,206,038 km (0.032 R)
• M60: 37,370,595 km (0.112 R)
• M61: 38,031,519 km (0.06 R)
• M62: 38,612,856 km (0.1 R)
• M63: 39,029,935 km (0.092 R)
• M64: 39,532,434 km (0.117 R)
• M65: 39,700,433 km (0.07 R)
• M66: 39,784,507 km (0.097 R)
• M67: 41,649,244 km (0.111 R)
• M68: 42,162,664 km (0.044 R)
• M69: 43,542,255 km (0.099 R)
• M70: 43,715,639 km (0.091 R)
• M71: 44,150,371 km (0.036 R)
• M72: 46,611,106 km (0.086 R)
• M73: 47,144,123 km (0.075 R)
• M74: 47,411,455 km (0.103 R)
• M75: 47,500,615 km (0.058 R)
• M76: 47,858,004 km (0.079 R)
• M77: 48,485,717 km (0.053 R)
• M78: 48,665,534 km (0.106 R)
• M79: 49,296,538 km (0.069 R)
• M80: 49,749,071 km (0.098 R)
• M81: 50,021,190 km (0.058 R)
• M82: 51,023,196 km (0.114 R)
• M83: 51,206,005 km (0.083 R)
• M84: 52,123,788 km (0.096 R)
• M85: 52,492,397 km (0.065 R)
• M86: 56,793,485 km (0.095 R)
• M87: 56,888,181 km (0.116 R)
• M88: 56,983,026 km (0.107 R)
• M89: 57,077,871 km (0.095 R)
• M90: 60,140,887 km (0.089 R)
• M91: 60,430,658 km (0.1 R)
• M92: 63,158,725 km (0.082 R)
• M93: 63,551,569 km (0.096 R)
• M94: 64,044,045 km (0.08 R)
• M95: 64,241,365 km (0.108 R)
• M96: 65,627,987 km (0.042 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: 196 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit