🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 13

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.9 AU - 1.2 AU

Year: 695 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,991,144 km

• M1: 161,715 km (0.118 R)
• M2: 613,052 km (0.086 R)
• M3: 1,047,634 km (0.075 R)
• M4: 1,473,689 km (0.085 R)
• M5: 1,900,791 km (0.1 R)
• M6: 2,822,463 km (0.077 R)
• M7: 3,507,023 km (0.117 R)
• M8: 3,948,337 km (0.094 R)
• M9: 4,858,191 km (0.101 R)
• M10: 5,390,759 km (0.108 R)
• M11: 6,283,111 km (0.042 R)
• M12: 6,808,199 km (0.107 R)
• M13: 7,408,087 km (0.094 R)
• M14: 8,091,300 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 9.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.99 AU - 1.19 AU

Year: 735 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,991,144 km

• M1: 115,639 km (0.1 R)
• M2: 513,270 km (0.088 R)
• M3: 1,087,726 km (0.049 R)
• M4: 1,395,898 km (0.088 R)
• M5: 2,049,491 km (0.114 R)
• M6: 2,398,802 km (0.087 R)
• M7: 3,066,158 km (0.119 R)
• M8: 5,203,313 km (0.096 R)
• M9: 6,359,854 km (0.107 R)
• M10: 7,266,118 km (0.106 R)
• M11: 7,586,557 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.5 AU - 2.7 AU

Year: 2707 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,991,144 km

• M1: 170,392 km (0.074 R)
• M2: 616,493 km (0.077 R)
• M3: 1,148,164 km (0.108 R)
• M4: 1,586,785 km (0.094 R)
• M5: 2,039,468 km (0.086 R)
• M6: 2,565,005 km (0.116 R)
• M7: 3,992,767 km (0.111 R)
• M8: 5,616,054 km (0.092 R)
• M9: 6,576,622 km (0.12 R)
• M10: 7,245,773 km (0.085 R)
• M11: 10,083,644 km (0.039 R)
• M12: 10,737,537 km (0.112 R)
• M13: 11,667,138 km (0.078 R)
• M14: 12,258,648 km (0.062 R)
• M15: 13,594,108 km (0.104 R)
• M16: 15,222,481 km (0.089 R)
• M17: 16,500,346 km (0.1 R)
• M18: 17,518,359 km (0.08 R)
• M19: 17,959,374 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 9.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.12 AU - 3.2 AU

Year: 2801 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,991,144 km

• M1: 119,678 km (0.105 R)
• M2: 412,142 km (0.039 R)
• M3: 783,294 km (0.046 R)
• M4: 1,097,450 km (0.097 R)
• M5: 1,506,600 km (0.082 R)
• M6: 2,004,462 km (0.112 R)
• M7: 2,650,425 km (0.104 R)
• M8: 5,595,708 km (0.115 R)
• M9: 6,580,960 km (0.106 R)
• M10: 9,116,943 km (0.049 R)
• M11: 11,658,611 km (0.108 R)
• M12: 13,050,320 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 13.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.05 AU - 3.89 AU

Year: 4174 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,991,144 km

• M1: 164,258 km (0.118 R)
• M2: 622,626 km (0.113 R)
• M3: 1,331,421 km (0.101 R)
• M4: 1,912,310 km (0.115 R)
• M5: 2,798,827 km (0.108 R)
• M6: 3,615,481 km (0.081 R)
• M7: 4,291,963 km (0.114 R)
• M8: 5,435,639 km (0.08 R)
• M9: 6,048,990 km (0.045 R)
• M10: 7,173,816 km (0.109 R)
• M11: 8,663,512 km (0.11 R)
• M12: 10,133,909 km (0.084 R)
• M13: 11,956,161 km (0.107 R)
• M14: 12,642,965 km (0.08 R)
• M15: 13,098,191 km (0.066 R)
• M16: 15,086,197 km (0.072 R)
• M17: 18,209,950 km (0.094 R)
• M18: 23,139,200 km (0.117 R)
• M19: 24,673,775 km (0.062 R)
• M20: 26,521,309 km (0.06 R)
• M21: 27,436,698 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 10.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.16 AU - 5.52 AU

Year: 6875 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,991,144 km

• M1: 136,284 km (0.116 R)
• M2: 564,732 km (0.094 R)
• M3: 955,033 km (0.093 R)
• M4: 1,407,866 km (0.115 R)
• M5: 3,019,035 km (0.115 R)
• M6: 3,388,990 km (0.036 R)
• M7: 4,115,437 km (0.05 R)
• M8: 5,587,780 km (0.106 R)
• M9: 6,836,024 km (0.036 R)
• M10: 7,478,398 km (0.109 R)
• M11: 8,363,119 km (0.062 R)
• M12: 8,707,942 km (0.096 R)
• M13: 9,463,113 km (0.103 R)
• M14: 9,990,595 km (0.1 R)
• M15: 10,980,933 km (0.064 R)
• M16: 11,395,019 km (0.08 R)
• M17: 12,079,280 km (0.051 R)
• M18: 12,790,468 km (0.113 R)
• M19: 13,957,631 km (0.094 R)
• M20: 16,395,328 km (0.082 R)
• M21: 17,156,632 km (0.111 R)
• M22: 17,998,419 km (0.045 R)
• M23: 18,342,644 km (0.113 R)
• M24: 19,764,123 km (0.072 R)
• M25: 20,877,580 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 8.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.85 AU - 6.07 AU

Year: 8238 Days

Day: 9.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,991,144 km

• M1: 102,026 km (0.065 R)
• M2: 442,211 km (0.078 R)
• M3: 707,748 km (0.063 R)
• M4: 1,063,940 km (0.103 R)
• M5: 1,394,851 km (0.118 R)
• M6: 2,339,711 km (0.073 R)
• M7: 2,701,438 km (0.051 R)
• M8: 3,937,715 km (0.087 R)
• M9: 4,710,089 km (0.028 R)
• M10: 5,070,620 km (0.075 R)
• M11: 5,352,911 km (0.073 R)
• M12: 5,645,824 km (0.113 R)
• M13: 5,983,765 km (0.068 R)
• M14: 6,589,337 km (0.098 R)
• M15: 7,118,166 km (0.113 R)
• M16: 10,000,019 km (0.096 R)
• M17: 10,345,291 km (0.074 R)
• M18: 13,282,197 km (0.092 R)
• M19: 13,942,073 km (0.039 R)
• M20: 17,502,502 km (0.028 R)
• M21: 18,368,674 km (0.085 R)
• M22: 19,491,406 km (0.115 R)
• M23: 20,898,224 km (0.079 R)
• M24: 21,463,106 km (0.059 R)
• M25: 23,477,591 km (0.071 R)
• M26: 25,523,342 km (0.078 R)
• M27: 25,983,205 km (0.062 R)
• M28: 26,261,906 km (0.091 R)
• M29: 26,730,746 km (0.065 R)
• M30: 30,891,661 km (0.038 R)
• M31: 31,309,189 km (0.071 R)
• M32: 37,084,415 km (0.105 R)
• M33: 37,555,947 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.3

Radius: 3.8

Gravity: 66.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.09 AU - 10.69 AU

Year: 21624 Days

Day: 23.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,991,144 km

• M1: 47,273 km (0.063 R)
• M2: 183,706 km (0.098 R)
• M3: 387,758 km (0.113 R)
• M4: 692,040 km (0.092 R)
• M5: 1,256,473 km (0.099 R)
• M6: 2,037,373 km (0.079 R)
• M7: 2,517,732 km (0.108 R)
• M8: 2,719,240 km (0.05 R)
• M9: 5,086,328 km (0.082 R)
• M10: 5,326,881 km (0.104 R)
• M11: 6,228,956 km (0.093 R)
• M12: 6,551,040 km (0.108 R)
• M13: 8,720,658 km (0.117 R)
• M14: 10,470,804 km (0.112 R)
• M15: 11,736,252 km (0.114 R)
• M16: 12,731,527 km (0.108 R)
• M17: 12,951,884 km (0.085 R)
• M18: 15,463,483 km (0.062 R)
• M19: 15,967,927 km (0.081 R)
• M20: 19,517,735 km (0.09 R)
• M21: 19,909,083 km (0.095 R)
• M22: 22,261,510 km (0.08 R)
• M23: 23,449,466 km (0.103 R)
• M24: 24,906,998 km (0.078 R)
• M25: 25,950,743 km (0.09 R)
• M26: 29,768,779 km (0.105 R)
• M27: 30,811,626 km (0.06 R)
• M28: 34,368,465 km (0.109 R)
• M29: 38,341,934 km (0.037 R)
• M30: 38,801,499 km (0.103 R)
• M31: 46,661,820 km (0.109 R)
• M32: 47,890,018 km (0.102 R)
• M33: 51,517,468 km (0.055 R)
• M34: 52,264,410 km (0.118 R)
• M35: 62,428,538 km (0.1 R)
• M36: 65,432,613 km (0.081 R)
• M37: 73,361,449 km (0.1 R)
• M38: 73,596,916 km (0.06 R)
• M39: 75,020,490 km (0.095 R)
• M40: 75,259,398 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.6

Radius: 5.1

Gravity: 32.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.98 AU - 12.26 AU

Year: 22346 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,991,144 km

• M1: 63,729 km (0.09 R)
• M2: 289,472 km (0.12 R)
• M3: 809,923 km (0.088 R)
• M4: 1,453,792 km (0.073 R)
• M5: 1,813,425 km (0.106 R)
• M6: 2,163,784 km (0.077 R)
• M7: 2,343,750 km (0.094 R)
• M8: 2,558,124 km (0.071 R)
• M9: 3,428,634 km (0.089 R)
• M10: 4,030,615 km (0.099 R)
• M11: 4,200,110 km (0.049 R)
• M12: 4,517,257 km (0.113 R)
• M13: 5,319,401 km (0.108 R)
• M14: 5,861,245 km (0.049 R)
• M15: 8,566,273 km (0.077 R)
• M16: 9,970,997 km (0.112 R)
• M17: 10,219,180 km (0.09 R)
• M18: 13,527,836 km (0.105 R)
• M19: 16,866,711 km (0.087 R)
• M20: 17,219,164 km (0.104 R)
• M21: 18,030,283 km (0.07 R)
• M22: 20,119,717 km (0.096 R)
• M23: 25,342,328 km (0.114 R)
• M24: 29,964,902 km (0.081 R)
• M25: 30,612,063 km (0.107 R)
• M26: 33,432,282 km (0.107 R)
• M27: 38,509,484 km (0.088 R)
• M28: 39,737,982 km (0.103 R)
• M29: 48,366,787 km (0.103 R)
• M30: 53,492,309 km (0.089 R)
• M31: 57,169,125 km (0.035 R)
• M32: 71,935,632 km (0.057 R)
• M33: 80,312,664 km (0.034 R)
• M34: 85,379,544 km (0.101 R)
• M35: 85,897,751 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 19,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit