🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.51 AU - 0.77 AU

Year: 326 Days

Day: 19.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,868,476 km

• M1: 48,021 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 14.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 472 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,868,476 km

• M1: 180,265 km (0.109 R)
• M2: 281,693 km (0.042 R)
• M3: 373,247 km (0.1 R)
• M4: 464,202 km (0.115 R)
• M5: 570,117 km (0.045 R)
• M6: 660,774 km (0.098 R)
• M7: 757,564 km (0.026 R)
• M8: 855,251 km (0.106 R)
• M9: 1,177,036 km (0.071 R)
• M10: 1,304,493 km (0.109 R)
• M11: 1,431,053 km (0.094 R)
• M12: 1,592,469 km (0.117 R)
• M13: 1,741,319 km (0.112 R)
• M14: 1,843,195 km (0.081 R)
• M15: 2,073,576 km (0.085 R)
• M16: 2,182,035 km (0.096 R)
• M17: 2,292,737 km (0.032 R)
• M18: 2,483,624 km (0.087 R)
• M19: 2,621,403 km (0.108 R)
• M20: 3,026,814 km (0.113 R)
• M21: 3,221,590 km (0.115 R)
• M22: 3,332,442 km (0.097 R)
• M23: 3,590,648 km (0.115 R)
• M24: 3,982,146 km (0.06 R)
• M25: 4,092,998 km (0.11 R)
• M26: 4,196,071 km (0.08 R)
• M27: 4,502,148 km (0.05 R)
• M28: 4,626,613 km (0.107 R)
• M29: 4,770,227 km (0.102 R)
• M30: 4,915,487 km (0.094 R)
• M31: 5,043,842 km (0.095 R)
• M32: 5,219,769 km (0.04 R)
• M33: 5,378,941 km (0.094 R)
• M34: 5,692,498 km (0.116 R)
• M35: 5,856,457 km (0.109 R)
• M36: 6,061,107 km (0.095 R)
• M37: 6,248,404 km (0.084 R)
• M38: 6,337,863 km (0.07 R)
• M39: 6,487,760 km (0.075 R)
• M40: 6,578,267 km (0.097 R)
• M41: 6,781,122 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 13.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.84 AU - 1.12 AU

Year: 617 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,868,476 km

• M1: 173,683 km (0.103 R)
• M2: 269,725 km (0.097 R)
• M3: 357,689 km (0.091 R)
• M4: 451,486 km (0.11 R)
• M5: 611,556 km (0.114 R)
• M6: 705,504 km (0.113 R)
• M7: 805,285 km (0.111 R)
• M8: 974,630 km (0.11 R)
• M9: 1,179,878 km (0.107 R)
• M10: 1,329,925 km (0.102 R)
• M11: 1,435,990 km (0.113 R)
• M12: 1,537,717 km (0.057 R)
• M13: 1,638,396 km (0.089 R)
• M14: 1,737,579 km (0.102 R)
• M15: 1,823,000 km (0.099 R)
• M16: 1,958,236 km (0.115 R)
• M17: 2,059,813 km (0.083 R)
• M18: 2,163,335 km (0.108 R)
• M19: 2,319,665 km (0.091 R)
• M20: 2,405,983 km (0.114 R)
• M21: 2,537,329 km (0.099 R)
• M22: 2,644,292 km (0.11 R)
• M23: 2,734,499 km (0.095 R)
• M24: 2,839,667 km (0.117 R)
• M25: 2,997,642 km (0.106 R)
• M26: 3,182,545 km (0.113 R)
• M27: 3,385,998 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 13.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.5 AU - 2.36 AU

Year: 1705 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,868,476 km

• M1: 178,171 km (0.108 R)
• M2: 381,923 km (0.12 R)
• M3: 555,158 km (0.073 R)
• M4: 671,096 km (0.097 R)
• M5: 785,538 km (0.082 R)
• M6: 1,024,446 km (0.117 R)
• M7: 1,185,862 km (0.109 R)
• M8: 1,297,014 km (0.119 R)
• M9: 1,412,054 km (0.114 R)
• M10: 1,554,771 km (0.107 R)
• M11: 1,732,792 km (0.056 R)
• M12: 2,034,381 km (0.114 R)
• M13: 2,330,585 km (0.069 R)
• M14: 2,518,630 km (0.068 R)
• M15: 2,629,183 km (0.107 R)
• M16: 2,801,370 km (0.12 R)
• M17: 2,940,496 km (0.07 R)
• M18: 3,032,648 km (0.04 R)
• M19: 3,219,645 km (0.085 R)
• M20: 3,391,533 km (0.058 R)
• M21: 3,501,189 km (0.1 R)
• M22: 3,612,190 km (0.091 R)
• M23: 3,704,492 km (0.091 R)
• M24: 3,864,562 km (0.065 R)
• M25: 4,088,360 km (0.096 R)
• M26: 4,247,084 km (0.099 R)
• M27: 4,464,150 km (0.108 R)
• M28: 4,570,664 km (0.107 R)
• M29: 4,807,627 km (0.075 R)
• M30: 4,916,833 km (0.044 R)
• M31: 5,026,788 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.3

Radius: 3.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.29 AU - 12.45 AU

Year: 22786 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,868,476 km

• M1: 164,707 km (0.063 R)
• M2: 215,271 km (0.081 R)
• M3: 799,900 km (0.106 R)
• M4: 954,584 km (0.071 R)
• M5: 1,203,964 km (0.11 R)
• M6: 1,581,997 km (0.114 R)
• M7: 2,585,201 km (0.054 R)
• M8: 2,698,297 km (0.082 R)
• M9: 3,106,400 km (0.093 R)
• M10: 3,554,445 km (0.106 R)
• M11: 4,852,057 km (0.048 R)
• M12: 6,279,071 km (0.105 R)
• M13: 6,532,939 km (0.1 R)
• M14: 8,262,739 km (0.099 R)
• M15: 9,191,892 km (0.111 R)
• M16: 10,005,704 km (0.081 R)
• M17: 12,044,573 km (0.062 R)
• M18: 12,233,216 km (0.048 R)
• M19: 12,391,192 km (0.104 R)
• M20: 12,965,498 km (0.111 R)
• M21: 12,997,661 km (0.095 R)
• M22: 14,941,686 km (0.106 R)
• M23: 15,042,814 km (0.089 R)
• M24: 16,379,620 km (0.117 R)
• M25: 16,623,465 km (0.065 R)
• M26: 17,718,073 km (0.105 R)
• M27: 18,617,754 km (0.103 R)
• M28: 21,100,780 km (0.114 R)
• M29: 21,785,340 km (0.101 R)
• M30: 21,976,825 km (0.057 R)
• M31: 22,322,845 km (0.112 R)
• M32: 22,399,888 km (0.111 R)
• M33: 22,515,826 km (0.086 R)
• M34: 23,646,187 km (0.074 R)
• M35: 25,355,941 km (0.094 R)
• M36: 26,002,204 km (0.106 R)
• M37: 26,164,668 km (0.11 R)
• M38: 27,063,900 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.9

Radius: 3.4

Gravity: 48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.36 AU - 11.8 AU

Year: 23450 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 78,868,476 km

• M1: 145,858 km (0.106 R)
• M2: 282,142 km (0.108 R)
• M3: 514,766 km (0.117 R)
• M4: 580,739 km (0.037 R)
• M5: 626,217 km (0.049 R)
• M6: 1,288,786 km (0.111 R)
• M7: 1,440,029 km (0.104 R)
• M8: 1,693,897 km (0.112 R)
• M9: 1,927,120 km (0.118 R)
• M10: 2,030,342 km (0.106 R)
• M11: 2,313,980 km (0.086 R)
• M12: 2,572,485 km (0.065 R)
• M13: 2,762,624 km (0.025 R)
• M14: 2,957,400 km (0.081 R)
• M15: 3,278,138 km (0.081 R)
• M16: 3,360,118 km (0.097 R)
• M17: 3,484,284 km (0.116 R)
• M18: 3,567,760 km (0.078 R)
• M19: 4,575,900 km (0.119 R)
• M20: 5,325,535 km (0.115 R)
• M21: 5,616,203 km (0.028 R)
• M22: 5,714,339 km (0.118 R)
• M23: 6,062,005 km (0.116 R)
• M24: 6,416,552 km (0.059 R)
• M25: 6,725,771 km (0.104 R)
• M26: 7,845,810 km (0.086 R)
• M27: 8,907,805 km (0.12 R)
• M28: 9,079,544 km (0.049 R)
• M29: 9,310,373 km (0.038 R)
• M30: 9,368,267 km (0.066 R)
• M31: 9,718,775 km (0.083 R)
• M32: 11,658,760 km (0.109 R)
• M33: 13,059,595 km (0.098 R)
• M34: 15,053,435 km (0.061 R)
• M35: 15,463,334 km (0.091 R)
• M36: 15,738,743 km (0.077 R)
• M37: 16,015,798 km (0.119 R)
• M38: 16,574,546 km (0.109 R)
• M39: 18,361,493 km (0.06 R)
• M40: 18,653,059 km (0.083 R)
• M41: 19,388,632 km (0.104 R)
• M42: 19,909,233 km (0.086 R)
• M43: 21,498,112 km (0.102 R)
• M44: 22,114,006 km (0.044 R)
• M45: 22,346,481 km (0.094 R)
• M46: 22,892,065 km (0.11 R)
• M47: 23,363,148 km (0.098 R)
• M48: 24,155,419 km (0.056 R)
• M49: 24,554,845 km (0.062 R)
• M50: 26,092,561 km (0.093 R)
• M51: 28,078,922 km (0.039 R)
• M52: 29,005,531 km (0.116 R)
• M53: 30,199,173 km (0.074 R)
• M54: 30,371,061 km (0.057 R)
• M55: 32,282,473 km (0.068 R)
• M56: 35,765,410 km (0.109 R)
• M57: 36,220,337 km (0.117 R)
• M58: 36,769,062 km (0.044 R)
• M59: 38,152,543 km (0.07 R)
• M60: 41,350,946 km (0.04 R)
• M61: 41,924,205 km (0.045 R)
• M62: 42,692,689 km (0.081 R)
• M63: 42,885,521 km (0.073 R)
• M64: 43,175,292 km (0.118 R)
• M65: 43,272,082 km (0.119 R)
• M66: 43,951,256 km (0.078 R)
• M67: 44,243,421 km (0.106 R)
• M68: 44,536,333 km (0.075 R)
• M69: 45,714,117 km (0.094 R)
• M70: 46,010,022 km (0.042 R)
• M71: 47,300,304 km (0.086 R)
• M72: 47,599,649 km (0.083 R)
• M73: 47,899,742 km (0.093 R)
• M74: 48,401,194 km (0.072 R)
• M75: 49,409,334 km (0.115 R)
• M76: 49,510,462 km (0.082 R)
• M77: 50,526,232 km (0.118 R)
• M78: 50,832,309 km (0.115 R)
• M79: 52,165,675 km (0.056 R)
• M80: 53,718,501 km (0.118 R)
• M81: 53,822,621 km (0.075 R)
• M82: 57,293,890 km (0.082 R)
• M83: 57,400,254 km (0.068 R)
• M84: 59,002,747 km (0.112 R)
• M85: 61,271,099 km (0.083 R)
• M86: 61,706,279 km (0.084 R)
• M87: 63,677,680 km (0.043 R)
• M88: 66,115,228 km (0.068 R)
• M89: 66,449,878 km (0.113 R)
• M90: 67,233,173 km (0.086 R)
• M91: 71,309,266 km (0.112 R)
• M92: 71,538,001 km (0.079 R)
• M93: 72,455,634 km (0.097 R)
• M94: 74,998,948 km (0.107 R)
• M95: 75,931,092 km (0.093 R)
• M96: 77,571,433 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit