🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.48 AU - 0.78 AU

Year: 318 Days

Day: 15.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,539,457 km

• M1: 79,736 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 11.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.62 AU - 0.76 AU

Year: 364 Days

Day: 5.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 24,539,457 km

• M1: 154,385 km (0.105 R)
• M2: 247,136 km (0.075 R)
• M3: 356,492 km (0.117 R)
• M4: 460,013 km (0.025 R)
• M5: 564,582 km (0.093 R)
• M6: 650,152 km (0.104 R)
• M7: 808,876 km (0.117 R)
• M8: 896,989 km (0.086 R)
• M9: 1,037,910 km (0.093 R)
• M10: 1,227,151 km (0.102 R)
• M11: 1,309,580 km (0.096 R)
• M12: 1,572,872 km (0.1 R)
• M13: 1,820,456 km (0.069 R)
• M14: 1,896,303 km (0.099 R)
• M15: 2,031,689 km (0.087 R)
• M16: 2,130,573 km (0.1 R)
• M17: 2,452,507 km (0.092 R)
• M18: 2,547,353 km (0.1 R)
• M19: 2,622,151 km (0.046 R)
• M20: 2,713,855 km (0.1 R)
• M21: 2,817,676 km (0.099 R)
• M22: 2,962,038 km (0.063 R)
• M23: 3,108,793 km (0.047 R)
• M24: 3,194,513 km (0.07 R)
• M25: 3,450,924 km (0.104 R)
• M26: 3,557,886 km (0.029 R)
• M27: 3,653,778 km (0.055 R)
• M28: 3,774,953 km (0.092 R)
• M29: 3,854,389 km (0.104 R)
• M30: 3,971,674 km (0.091 R)
• M31: 4,077,589 km (0.112 R)
• M32: 4,178,119 km (0.055 R)
• M33: 4,317,694 km (0.101 R)
• M34: 4,413,736 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 13.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.76 AU - 0.9 AU

Year: 481 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 24,539,457 km

• M1: 217,814 km (0.108 R)
• M2: 346,768 km (0.117 R)
• M3: 445,802 km (0.061 R)
• M4: 532,120 km (0.092 R)
• M5: 616,493 km (0.088 R)
• M6: 743,352 km (0.118 R)
• M7: 829,969 km (0.089 R)
• M8: 1,034,320 km (0.101 R)
• M9: 1,121,086 km (0.085 R)
• M10: 1,243,757 km (0.095 R)
• M11: 1,336,807 km (0.104 R)
• M12: 1,445,564 km (0.039 R)
• M13: 1,598,603 km (0.094 R)
• M14: 1,705,266 km (0.088 R)
• M15: 1,911,711 km (0.104 R)
• M16: 2,111,125 km (0.064 R)
• M17: 2,265,510 km (0.119 R)
• M18: 2,381,149 km (0.097 R)
• M19: 2,668,078 km (0.09 R)
• M20: 2,756,939 km (0.11 R)
• M21: 2,880,956 km (0.074 R)
• M22: 3,035,640 km (0.085 R)
• M23: 3,181,348 km (0.03 R)
• M24: 3,293,696 km (0.078 R)
• M25: 3,443,593 km (0.082 R)
• M26: 3,534,698 km (0.097 R)
• M27: 3,713,169 km (0.115 R)
• M28: 3,837,933 km (0.088 R)
• M29: 4,021,490 km (0.118 R)
• M30: 4,111,099 km (0.039 R)
• M31: 4,259,949 km (0.086 R)
• M32: 4,450,088 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.9

Radius: 11.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.38 AU - 3.52 AU

Year: 3222 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 24,539,457 km

• M1: 214,224 km (0.064 R)
• M2: 358,436 km (0.113 R)
• M3: 538,702 km (0.079 R)
• M4: 636,988 km (0.076 R)
• M5: 752,178 km (0.113 R)
• M6: 950,395 km (0.067 R)
• M7: 1,119,441 km (0.111 R)
• M8: 1,501,065 km (0.099 R)
• M9: 1,673,252 km (0.09 R)
• M10: 1,768,696 km (0.102 R)
• M11: 1,852,022 km (0.059 R)
• M12: 1,951,055 km (0.104 R)
• M13: 2,022,862 km (0.091 R)
• M14: 2,139,698 km (0.111 R)
• M15: 2,228,859 km (0.091 R)
• M16: 2,395,810 km (0.03 R)
• M17: 2,614,223 km (0.098 R)
• M18: 2,758,136 km (0.087 R)
• M19: 3,137,965 km (0.116 R)
• M20: 3,325,710 km (0.115 R)
• M21: 3,412,327 km (0.062 R)
• M22: 3,552,351 km (0.094 R)
• M23: 3,676,517 km (0.06 R)
• M24: 3,802,179 km (0.11 R)
• M25: 3,874,734 km (0.026 R)
• M26: 4,094,793 km (0.085 R)
• M27: 4,375,887 km (0.104 R)
• M28: 4,490,180 km (0.1 R)
• M29: 4,586,072 km (0.071 R)
• M30: 4,878,237 km (0.101 R)
• M31: 5,016,615 km (0.04 R)
• M32: 5,156,339 km (0.117 R)
• M33: 5,419,183 km (0.038 R)
• M34: 5,748,897 km (0.112 R)
• M35: 5,832,372 km (0.109 R)
• M36: 6,042,856 km (0.049 R)
• M37: 6,821,214 km (0.077 R)
• M38: 7,608,099 km (0.118 R)
• M39: 7,792,104 km (0.111 R)
• M40: 8,024,131 km (0.116 R)
• M41: 8,164,453 km (0.087 R)
• M42: 8,305,524 km (0.037 R)
• M43: 8,423,856 km (0.093 R)
• M44: 8,518,851 km (0.119 R)
• M45: 9,612,112 km (0.12 R)
• M46: 10,086,936 km (0.096 R)
• M47: 10,390,769 km (0.042 R)
• M48: 10,672,013 km (0.114 R)
• M49: 11,111,531 km (0.071 R)
• M50: 11,320,520 km (0.087 R)
• M51: 11,478,046 km (0.028 R)
• M52: 11,636,321 km (0.069 R)
• M53: 12,303,677 km (0.095 R)
• M54: 13,175,982 km (0.104 R)
• M55: 13,369,562 km (0.112 R)
• M56: 13,452,738 km (0.104 R)
• M57: 13,563,889 km (0.103 R)
• M58: 13,703,464 km (0.11 R)
• M59: 14,750,200 km (0.066 R)
• M60: 15,095,323 km (0.066 R)
• M61: 15,617,868 km (0.104 R)
• M62: 16,264,580 km (0.102 R)
• M63: 16,412,831 km (0.091 R)
• M64: 16,680,761 km (0.059 R)
• M65: 17,070,314 km (0.068 R)
• M66: 18,103,437 km (0.088 R)
• M67: 18,441,977 km (0.106 R)
• M68: 19,188,021 km (0.06 R)
• M69: 19,376,066 km (0.119 R)
• M70: 19,627,689 km (0.091 R)
• M71: 20,229,821 km (0.077 R)
• M72: 20,389,292 km (0.095 R)
• M73: 20,549,212 km (0.092 R)
• M74: 21,160,469 km (0.067 R)
• M75: 21,549,723 km (0.054 R)
• M76: 21,810,472 km (0.061 R)
• M77: 21,908,608 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.6

Radius: 13.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.48 AU - 3.76 AU

Year: 4379 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 24,539,457 km

• M1: 220,806 km (0.117 R)
• M2: 358,736 km (0.07 R)
• M3: 729,290 km (0.097 R)
• M4: 950,994 km (0.118 R)
• M5: 1,058,106 km (0.051 R)
• M6: 1,405,921 km (0.079 R)
• M7: 1,618,350 km (0.109 R)
• M8: 1,749,098 km (0.06 R)
• M9: 2,119,203 km (0.081 R)
• M10: 2,274,336 km (0.1 R)
• M11: 2,364,694 km (0.12 R)
• M12: 2,549,297 km (0.069 R)
• M13: 2,691,116 km (0.065 R)
• M14: 2,859,862 km (0.061 R)
• M15: 2,994,949 km (0.084 R)
• M16: 3,220,693 km (0.033 R)
• M17: 3,374,479 km (0.082 R)
• M18: 3,689,383 km (0.114 R)
• M19: 4,151,939 km (0.066 R)
• M20: 4,263,539 km (0.09 R)
• M21: 4,376,187 km (0.038 R)
• M22: 4,547,027 km (0.07 R)
• M23: 4,647,707 km (0.047 R)
• M24: 5,013,473 km (0.097 R)
• M25: 5,132,553 km (0.106 R)
• M26: 5,312,968 km (0.099 R)
• M27: 5,664,523 km (0.087 R)
• M28: 5,898,046 km (0.069 R)
• M29: 6,102,995 km (0.106 R)
• M30: 6,310,487 km (0.117 R)
• M31: 6,439,141 km (0.049 R)
• M32: 6,601,455 km (0.12 R)
• M33: 6,847,394 km (0.093 R)
• M34: 7,046,359 km (0.05 R)
• M35: 7,297,683 km (0.051 R)
• M36: 7,723,289 km (0.098 R)
• M37: 7,895,925 km (0.067 R)
• M38: 8,069,758 km (0.063 R)
• M39: 8,209,632 km (0.092 R)
• M40: 8,403,511 km (0.115 R)
• M41: 8,527,677 km (0.117 R)
• M42: 8,867,713 km (0.094 R)
• M43: 9,012,225 km (0.072 R)
• M44: 10,538,572 km (0.063 R)
• M45: 10,653,463 km (0.12 R)
• M46: 11,058,723 km (0.106 R)
• M47: 11,155,962 km (0.056 R)
• M48: 11,390,382 km (0.05 R)
• M49: 11,765,125 km (0.069 R)
• M50: 12,043,825 km (0.095 R)
• M51: 12,405,403 km (0.114 R)
• M52: 13,036,557 km (0.097 R)
• M53: 13,201,115 km (0.08 R)
• M54: 13,324,982 km (0.1 R)
• M55: 13,574,062 km (0.08 R)
• M56: 13,845,433 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.9

Radius: 3.5

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.9 AU - 11.5 AU

Year: 22254 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 24,539,457 km

• M1: 586,274 km (0.097 R)
• M2: 896,540 km (0.068 R)
• M3: 985,700 km (0.119 R)
• M4: 1,494,034 km (0.094 R)
• M5: 2,260,573 km (0.106 R)
• M6: 3,653,629 km (0.074 R)
• M7: 4,938,974 km (0.094 R)
• M8: 5,612,463 km (0.113 R)
• M9: 6,693,009 km (0.07 R)
• M10: 6,727,715 km (0.051 R)
• M11: 7,114,426 km (0.109 R)
• M12: 7,908,940 km (0.072 R)
• M13: 8,204,845 km (0.11 R)
• M14: 8,316,744 km (0.101 R)
• M15: 9,075,355 km (0.066 R)
• M16: 10,214,243 km (0.111 R)
• M17: 11,647,391 km (0.078 R)
• M18: 12,881,723 km (0.051 R)
• M19: 13,360,735 km (0.075 R)
• M20: 13,978,575 km (0.09 R)
• M21: 14,112,315 km (0.111 R)
• M22: 14,380,843 km (0.062 R)
• M23: 16,213,716 km (0.049 R)
• M24: 17,587,773 km (0.06 R)
• M25: 17,924,966 km (0.065 R)
• M26: 20,143,204 km (0.109 R)
• M27: 21,772,474 km (0.087 R)
• M28: 22,030,830 km (0.063 R)
• M29: 22,394,352 km (0.097 R)
• M30: 24,831,302 km (0.09 R)
• M31: 25,643,917 km (0.12 R)
• M32: 26,355,255 km (0.102 R)
• M33: 26,465,359 km (0.103 R)
• M34: 27,518,080 km (0.092 R)
• M35: 30,065,432 km (0.118 R)
• M36: 31,221,524 km (0.082 R)
• M37: 31,512,791 km (0.084 R)
• M38: 32,392,128 km (0.103 R)
• M39: 33,041,981 km (0.11 R)
• M40: 33,696,172 km (0.066 R)
• M41: 34,414,691 km (0.085 R)
• M42: 34,655,394 km (0.072 R)
• M43: 36,969,075 km (0.104 R)
• M44: 38,269,080 km (0.084 R)
• M45: 39,206,610 km (0.079 R)
• M46: 39,646,876 km (0.091 R)
• M47: 39,709,857 km (0.117 R)
• M48: 40,278,479 km (0.033 R)
• M49: 42,000,350 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.2

Radius: 6.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.75 AU - 12.79 AU

Year: 22473 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 24,539,457 km

• M1: 210,335 km (0.115 R)
• M2: 424,858 km (0.064 R)
• M3: 585,676 km (0.076 R)
• M4: 647,160 km (0.071 R)
• M5: 856,747 km (0.063 R)
• M6: 1,648,569 km (0.103 R)
• M7: 1,782,459 km (0.117 R)
• M8: 2,606,892 km (0.099 R)
• M9: 2,728,366 km (0.101 R)
• M10: 3,804,274 km (0.076 R)
• M11: 3,922,456 km (0.058 R)
• M12: 4,531,170 km (0.115 R)
• M13: 5,234,280 km (0.114 R)
• M14: 5,498,470 km (0.066 R)
• M15: 5,542,900 km (0.104 R)
• M16: 5,609,771 km (0.12 R)
• M17: 5,676,940 km (0.032 R)
• M18: 6,062,603 km (0.032 R)
• M19: 6,811,490 km (0.106 R)
• M20: 7,663,600 km (0.093 R)
• M21: 8,394,834 km (0.075 R)
• M22: 8,652,142 km (0.102 R)
• M23: 9,306,783 km (0.09 R)
• M24: 9,653,401 km (0.103 R)
• M25: 10,058,811 km (0.119 R)
• M26: 10,195,095 km (0.103 R)
• M27: 10,304,601 km (0.099 R)
• M28: 10,913,913 km (0.079 R)
• M29: 11,307,654 km (0.119 R)
• M30: 12,254,310 km (0.087 R)
• M31: 12,516,854 km (0.099 R)
• M32: 12,781,343 km (0.111 R)
• M33: 13,077,397 km (0.119 R)
• M34: 13,345,626 km (0.096 R)
• M35: 13,766,744 km (0.064 R)
• M36: 14,283,754 km (0.103 R)
• M37: 14,652,663 km (0.041 R)
• M38: 14,838,164 km (0.069 R)
• M39: 14,993,447 km (0.083 R)
• M40: 15,274,242 km (0.081 R)
• M41: 15,462,436 km (0.057 R)
• M42: 15,936,362 km (0.095 R)
• M43: 17,255,666 km (0.092 R)
• M44: 17,451,639 km (0.11 R)
• M45: 18,077,107 km (0.098 R)
• M46: 18,576,166 km (0.073 R)
• M47: 20,066,011 km (0.094 R)
• M48: 21,068,766 km (0.103 R)
• M49: 21,348,364 km (0.102 R)
• M50: 21,629,010 km (0.056 R)
• M51: 22,514,180 km (0.084 R)
• M52: 22,871,570 km (0.116 R)
• M53: 23,050,938 km (0.117 R)
• M54: 23,555,681 km (0.105 R)
• M55: 24,137,018 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 12,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit