🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 13.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.83 AU - 1.15 AU

Year: 636 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 74.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,302,950 km

• M1: 167,849 km (0.117 R)
• M2: 629,358 km (0.049 R)
• M3: 1,207,853 km (0.112 R)
• M4: 1,690,905 km (0.048 R)
• M5: 2,429,918 km (0.08 R)
• M6: 2,903,545 km (0.077 R)
• M7: 3,438,956 km (0.044 R)
• M8: 3,997,704 km (0.102 R)
• M9: 4,632,448 km (0.103 R)
• M10: 5,316,409 km (0.118 R)
• M11: 5,882,188 km (0.039 R)
• M12: 6,546,702 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 10.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.85 AU - 1.27 AU

Year: 705 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,302,950 km

• M1: 125,662 km (0.079 R)
• M2: 490,531 km (0.114 R)
• M3: 826,229 km (0.117 R)
• M4: 1,183,170 km (0.061 R)
• M5: 1,760,617 km (0.084 R)
• M6: 2,076,568 km (0.116 R)
• M7: 2,495,442 km (0.089 R)
• M8: 2,995,099 km (0.059 R)
• M9: 3,788,416 km (0.1 R)
• M10: 4,180,064 km (0.11 R)
• M11: 4,835,452 km (0.074 R)
• M12: 5,426,513 km (0.048 R)
• M13: 5,827,286 km (0.102 R)
• M14: 7,217,349 km (0.09 R)
• M15: 7,679,158 km (0.106 R)
• M16: 8,136,030 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 14.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.12 AU - 1.26 AU

Year: 838 Days

Day: 7.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,302,950 km

• M1: 181,612 km (0.086 R)
• M2: 738,116 km (0.116 R)
• M3: 1,282,054 km (0.091 R)
• M4: 1,938,190 km (0.087 R)
• M5: 2,672,566 km (0.097 R)
• M6: 3,270,209 km (0.071 R)
• M7: 3,732,018 km (0.056 R)
• M8: 4,285,979 km (0.066 R)
• M9: 5,484,108 km (0.026 R)
• M10: 6,371,822 km (0.119 R)
• M11: 6,917,705 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 8.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.99 AU - 2.83 AU

Year: 2416 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,302,950 km

• M1: 106,514 km (0.058 R)
• M2: 487,091 km (0.119 R)
• M3: 810,372 km (0.114 R)
• M4: 1,142,329 km (0.054 R)
• M5: 1,426,117 km (0.112 R)
• M6: 1,735,186 km (0.085 R)
• M7: 2,217,639 km (0.091 R)
• M8: 2,771,749 km (0.111 R)
• M9: 3,073,488 km (0.09 R)
• M10: 3,669,037 km (0.096 R)
• M11: 4,380,974 km (0.103 R)
• M12: 4,814,807 km (0.076 R)
• M13: 6,814,183 km (0.078 R)
• M14: 7,130,882 km (0.092 R)
• M15: 7,517,742 km (0.07 R)
• M16: 8,172,232 km (0.097 R)
• M17: 8,497,009 km (0.075 R)
• M18: 8,966,298 km (0.077 R)
• M19: 9,919,835 km (0.106 R)
• M20: 11,454,709 km (0.041 R)
• M21: 12,278,844 km (0.04 R)
• M22: 12,576,394 km (0.119 R)
• M23: 13,186,005 km (0.063 R)
• M24: 14,044,697 km (0.079 R)
• M25: 15,133,470 km (0.109 R)
• M26: 16,844,571 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 8.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.34 AU - 2.68 AU

Year: 2568 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,302,950 km

• M1: 102,026 km (0.087 R)
• M2: 373,845 km (0.117 R)
• M3: 1,076,057 km (0.055 R)
• M4: 1,462,918 km (0.082 R)
• M5: 1,719,777 km (0.051 R)
• M6: 2,612,128 km (0.062 R)
• M7: 3,114,777 km (0.09 R)
• M8: 3,714,515 km (0.095 R)
• M9: 4,180,512 km (0.075 R)
• M10: 5,517,020 km (0.117 R)
• M11: 6,295,078 km (0.063 R)
• M12: 6,570,189 km (0.042 R)
• M13: 6,853,228 km (0.08 R)
• M14: 7,279,432 km (0.101 R)
• M15: 8,009,769 km (0.076 R)
• M16: 10,882,048 km (0.083 R)
• M17: 11,536,689 km (0.092 R)
• M18: 12,217,209 km (0.107 R)
• M19: 13,247,191 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 9.1

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.93 AU - 4.01 AU

Year: 4174 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,302,950 km

• M1: 113,246 km (0.092 R)
• M2: 614,698 km (0.113 R)
• M3: 952,938 km (0.028 R)
• M4: 1,450,351 km (0.086 R)
• M5: 1,740,422 km (0.06 R)
• M6: 2,818,723 km (0.092 R)
• M7: 3,760,442 km (0.111 R)
• M8: 4,978,318 km (0.103 R)
• M9: 5,854,961 km (0.086 R)
• M10: 6,251,845 km (0.076 R)
• M11: 6,897,509 km (0.098 R)
• M12: 7,236,647 km (0.06 R)
• M13: 7,838,928 km (0.085 R)
• M14: 8,397,676 km (0.078 R)
• M15: 10,147,224 km (0.089 R)
• M16: 12,373,090 km (0.05 R)
• M17: 12,773,414 km (0.055 R)
• M18: 13,599,942 km (0.036 R)
• M19: 16,413,130 km (0.088 R)
• M20: 19,324,305 km (0.088 R)
• M21: 21,469,838 km (0.114 R)
• M22: 23,463,828 km (0.059 R)
• M23: 24,388,492 km (0.076 R)
• M24: 25,497,760 km (0.03 R)
• M25: 26,475,083 km (0.115 R)
• M26: 27,646,584 km (0.042 R)
• M27: 28,504,229 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.3

Radius: 8.7

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.54 AU - 4.66 AU

Year: 6370 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,302,950 km

• M1: 109,356 km (0.112 R)
• M2: 642,224 km (0.105 R)
• M3: 969,993 km (0.077 R)
• M4: 2,274,636 km (0.118 R)
• M5: 2,637,111 km (0.075 R)
• M6: 5,683,522 km (0.056 R)
• M7: 6,250,648 km (0.112 R)
• M8: 6,530,246 km (0.064 R)
• M9: 8,346,364 km (0.116 R)
• M10: 11,851,293 km (0.097 R)
• M11: 13,807,734 km (0.089 R)
• M12: 14,103,938 km (0.116 R)
• M13: 24,829,207 km (0.07 R)
• M14: 27,630,278 km (0.08 R)
• M15: 28,006,517 km (0.11 R)
• M16: 31,445,024 km (0.094 R)
• M17: 37,515,855 km (0.091 R)
• M18: 39,740,974 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 11.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.85 AU - 7.03 AU

Year: 9347 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,302,950 km

• M1: 141,520 km (0.114 R)
• M2: 716,723 km (0.118 R)
• M3: 1,465,162 km (0.103 R)
• M4: 1,894,807 km (0.11 R)
• M5: 3,353,236 km (0.076 R)
• M6: 4,806,131 km (0.091 R)
• M7: 5,962,672 km (0.077 R)
• M8: 7,147,038 km (0.071 R)
• M9: 7,562,023 km (0.07 R)
• M10: 8,153,982 km (0.028 R)
• M11: 9,121,281 km (0.09 R)
• M12: 10,352,621 km (0.103 R)
• M13: 12,920,618 km (0.092 R)
• M14: 13,538,009 km (0.095 R)
• M15: 18,145,623 km (0.099 R)
• M16: 20,762,539 km (0.052 R)
• M17: 22,560,406 km (0.097 R)
• M18: 23,538,627 km (0.079 R)
• M19: 24,886,503 km (0.069 R)
• M20: 25,842,583 km (0.069 R)
• M21: 28,106,598 km (0.117 R)
• M22: 30,401,429 km (0.026 R)
• M23: 36,791,652 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.5

Radius: 5.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.31 AU - 7.59 AU

Year: 11830 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,302,950 km

• M1: 73,752 km (0.098 R)
• M2: 288,125 km (0.067 R)
• M3: 750,084 km (0.118 R)
• M4: 1,022,053 km (0.1 R)
• M5: 1,258,268 km (0.029 R)
• M6: 2,180,539 km (0.084 R)
• M7: 3,332,442 km (0.078 R)
• M8: 4,296,152 km (0.077 R)
• M9: 4,867,017 km (0.076 R)
• M10: 5,540,956 km (0.061 R)
• M11: 8,356,687 km (0.106 R)
• M12: 10,731,104 km (0.116 R)
• M13: 12,511,468 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.1

Radius: 5.5

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.5 AU - 11.96 AU

Year: 24299 Days

Day: 19.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,302,950 km

• M1: 68,516 km (0.042 R)
• M2: 395,238 km (0.075 R)
• M3: 2,798,976 km (0.054 R)
• M4: 3,115,525 km (0.027 R)
• M5: 3,295,791 km (0.111 R)
• M6: 7,812,150 km (0.099 R)
• M7: 8,791,268 km (0.035 R)
• M8: 10,990,357 km (0.071 R)
• M9: 11,592,489 km (0.091 R)
• M10: 11,839,475 km (0.075 R)
• M11: 12,994,370 km (0.065 R)
• M12: 13,463,060 km (0.048 R)
• M13: 13,804,742 km (0.107 R)
• M14: 14,363,490 km (0.083 R)
• M15: 15,229,662 km (0.049 R)
• M16: 16,360,622 km (0.097 R)
• M17: 18,451,701 km (0.082 R)
• M18: 20,355,034 km (0.118 R)
• M19: 20,895,980 km (0.1 R)
• M20: 23,547,752 km (0.082 R)
• M21: 25,992,331 km (0.119 R)
• M22: 26,309,329 km (0.073 R)
• M23: 32,343,658 km (0.094 R)
• M24: 34,585,981 km (0.086 R)
• M25: 37,869,205 km (0.048 R)
• M26: 38,686,907 km (0.078 R)
• M27: 40,925,190 km (0.106 R)
• M28: 41,930,937 km (0.112 R)
• M29: 51,569,378 km (0.033 R)
• M30: 52,069,932 km (0.109 R)
• M31: 57,076,824 km (0.079 R)
• M32: 57,612,384 km (0.097 R)
• M33: 60,896,356 km (0.039 R)
• M34: 62,206,385 km (0.115 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: 220 - 18,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit