🌌 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: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.66 AU

Year: 328 Days

Day: 23.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 84.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,866,019 km

• M1: 441,164 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 10.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 401 Days

Day: 11.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,866,019 km

• M1: 138,528 km (0.1 R)
• M2: 205,996 km (0.105 R)
• M3: 288,724 km (0.112 R)
• M4: 370,255 km (0.091 R)
• M5: 438,471 km (0.11 R)
• M6: 515,065 km (0.115 R)
• M7: 597,195 km (0.068 R)
• M8: 756,516 km (0.12 R)
• M9: 845,228 km (0.071 R)
• M10: 952,490 km (0.119 R)
• M11: 1,019,360 km (0.108 R)
• M12: 1,099,245 km (0.069 R)
• M13: 1,173,595 km (0.087 R)
• M14: 1,241,662 km (0.084 R)
• M15: 1,348,625 km (0.118 R)
• M16: 1,519,166 km (0.06 R)
• M17: 1,593,965 km (0.096 R)
• M18: 1,688,062 km (0.098 R)
• M19: 1,774,979 km (0.083 R)
• M20: 1,868,029 km (0.087 R)
• M21: 1,953,299 km (0.107 R)
• M22: 2,187,121 km (0.076 R)
• M23: 2,267,156 km (0.082 R)
• M24: 2,576,225 km (0.105 R)
• M25: 2,719,689 km (0.067 R)
• M26: 2,844,155 km (0.107 R)
• M27: 2,953,960 km (0.109 R)
• M28: 3,048,356 km (0.083 R)
• M29: 3,217,401 km (0.115 R)
• M30: 3,291,752 km (0.064 R)
• M31: 3,366,550 km (0.086 R)
• M32: 3,494,606 km (0.104 R)
• M33: 3,576,885 km (0.115 R)
• M34: 3,665,896 km (0.082 R)
• M35: 3,785,574 km (0.034 R)
• M36: 3,973,918 km (0.092 R)
• M37: 4,233,919 km (0.084 R)
• M38: 4,302,884 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.9

Radius: 11.4

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.73 AU - 0.83 AU

Year: 452 Days

Day: 12.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 40,866,019 km

• M1: 141,968 km (0.119 R)
• M2: 228,885 km (0.076 R)
• M3: 303,384 km (0.117 R)
• M4: 411,394 km (0.099 R)
• M5: 502,798 km (0.084 R)
• M6: 598,691 km (0.076 R)
• M7: 697,575 km (0.064 R)
• M8: 789,278 km (0.113 R)
• M9: 866,920 km (0.087 R)
• M10: 1,045,540 km (0.025 R)
• M11: 1,157,738 km (0.062 R)
• M12: 1,231,340 km (0.118 R)
• M13: 1,328,579 km (0.088 R)
• M14: 1,479,523 km (0.107 R)
• M15: 1,719,927 km (0.089 R)
• M16: 1,823,448 km (0.042 R)
• M17: 1,929,065 km (0.088 R)
• M18: 2,011,343 km (0.088 R)
• M19: 2,088,386 km (0.106 R)
• M20: 2,172,909 km (0.034 R)
• M21: 2,265,361 km (0.103 R)
• M22: 2,365,890 km (0.084 R)
• M23: 2,495,442 km (0.072 R)
• M24: 2,613,325 km (0.114 R)
• M25: 2,876,617 km (0.119 R)
• M26: 2,985,973 km (0.113 R)
• M27: 3,111,486 km (0.101 R)
• M28: 3,223,685 km (0.108 R)
• M29: 3,383,156 km (0.066 R)
• M30: 3,460,049 km (0.102 R)
• M31: 3,749,671 km (0.111 R)
• M32: 3,845,264 km (0.066 R)
• M33: 4,227,785 km (0.104 R)
• M34: 4,319,040 km (0.113 R)
• M35: 4,427,798 km (0.109 R)
• M36: 4,656,832 km (0.075 R)
• M37: 4,837,546 km (0.082 R)
• M38: 4,968,145 km (0.098 R)
• M39: 5,126,270 km (0.087 R)
• M40: 5,223,808 km (0.102 R)
• M41: 5,295,166 km (0.119 R)
• M42: 5,375,799 km (0.102 R)
• M43: 5,520,161 km (0.064 R)
• M44: 5,620,242 km (0.102 R)
• M45: 5,989,001 km (0.08 R)
• M46: 6,120,049 km (0.106 R)
• M47: 6,394,411 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 12.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.39 AU - 1.69 AU

Year: 1254 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 40,866,019 km

• M1: 234,719 km (0.104 R)
• M2: 311,463 km (0.073 R)
• M3: 407,654 km (0.064 R)
• M4: 484,398 km (0.105 R)
• M5: 651,200 km (0.092 R)
• M6: 821,442 km (0.118 R)
• M7: 918,681 km (0.109 R)
• M8: 1,046,437 km (0.095 R)
• M9: 1,132,755 km (0.09 R)
• M10: 1,489,097 km (0.114 R)
• M11: 1,602,792 km (0.034 R)
• M12: 1,711,848 km (0.066 R)
• M13: 1,823,448 km (0.119 R)
• M14: 1,929,364 km (0.11 R)
• M15: 2,020,618 km (0.097 R)
• M16: 2,190,562 km (0.076 R)
• M17: 2,356,316 km (0.086 R)
• M18: 2,822,313 km (0.112 R)
• M19: 2,936,307 km (0.091 R)
• M20: 3,032,349 km (0.102 R)
• M21: 3,119,864 km (0.072 R)
• M22: 3,218,000 km (0.072 R)
• M23: 3,307,160 km (0.105 R)
• M24: 3,417,414 km (0.034 R)
• M25: 3,539,186 km (0.065 R)
• M26: 3,682,950 km (0.033 R)
• M27: 3,849,752 km (0.089 R)
• M28: 3,997,853 km (0.085 R)
• M29: 4,126,358 km (0.07 R)
• M30: 4,223,597 km (0.109 R)
• M31: 4,597,891 km (0.119 R)
• M32: 4,777,857 km (0.092 R)
• M33: 4,983,105 km (0.082 R)
• M34: 5,179,677 km (0.068 R)
• M35: 5,544,695 km (0.119 R)
• M36: 5,652,256 km (0.076 R)
• M37: 5,930,508 km (0.097 R)
• M38: 6,175,998 km (0.092 R)
• M39: 6,262,765 km (0.1 R)
• M40: 6,601,156 km (0.066 R)
• M41: 6,766,162 km (0.109 R)
• M42: 6,971,261 km (0.074 R)
• M43: 7,348,397 km (0.111 R)
• M44: 7,665,395 km (0.115 R)
• M45: 7,785,522 km (0.086 R)
• M46: 7,879,320 km (0.108 R)
• M47: 8,422,809 km (0.102 R)
• M48: 8,685,204 km (0.054 R)
• M49: 8,768,530 km (0.076 R)
• M50: 8,852,304 km (0.106 R)
• M51: 8,964,353 km (0.104 R)
• M52: 9,161,523 km (0.057 R)
• M53: 9,502,906 km (0.039 R)
• M54: 9,703,965 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 7.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.2 AU - 8.24 AU

Year: 15460 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 40,866,019 km

• M1: 93,349 km (0.118 R)
• M2: 190,438 km (0.109 R)
• M3: 494,271 km (0.092 R)
• M4: 603,627 km (0.101 R)
• M5: 980,315 km (0.035 R)
• M6: 1,156,392 km (0.097 R)
• M7: 1,479,373 km (0.11 R)
• M8: 1,808,189 km (0.105 R)
• M9: 1,937,442 km (0.112 R)
• M10: 2,137,006 km (0.096 R)
• M11: 2,205,073 km (0.083 R)
• M12: 2,484,521 km (0.111 R)
• M13: 3,442,247 km (0.06 R)
• M14: 3,684,446 km (0.103 R)
• M15: 4,270,870 km (0.101 R)
• M16: 4,589,513 km (0.066 R)
• M17: 4,856,096 km (0.116 R)
• M18: 5,188,802 km (0.053 R)
• M19: 5,685,766 km (0.09 R)
• M20: 6,658,302 km (0.041 R)
• M21: 6,758,383 km (0.062 R)
• M22: 7,646,546 km (0.06 R)
• M23: 8,716,320 km (0.093 R)
• M24: 9,455,333 km (0.071 R)
• M25: 9,832,320 km (0.092 R)
• M26: 10,407,075 km (0.112 R)
• M27: 10,484,567 km (0.106 R)
• M28: 10,796,329 km (0.078 R)
• M29: 10,992,751 km (0.082 R)
• M30: 11,230,013 km (0.117 R)
• M31: 14,335,216 km (0.039 R)
• M32: 14,724,619 km (0.073 R)
• M33: 14,942,434 km (0.065 R)
• M34: 15,249,259 km (0.093 R)
• M35: 15,337,222 km (0.116 R)
• M36: 15,469,617 km (0.091 R)
• M37: 15,780,032 km (0.092 R)
• M38: 15,958,203 km (0.069 R)
• M39: 16,814,202 km (0.095 R)
• M40: 17,087,518 km (0.03 R)
• M41: 17,179,071 km (0.085 R)
• M42: 17,362,478 km (0.083 R)
• M43: 18,947,468 km (0.034 R)
• M44: 19,184,431 km (0.066 R)
• M45: 19,231,853 km (0.073 R)
• M46: 21,656,985 km (0.031 R)
• M47: 22,353,213 km (0.101 R)
• M48: 22,453,294 km (0.111 R)
• M49: 22,653,755 km (0.104 R)
• M50: 22,754,285 km (0.109 R)
• M51: 23,411,169 km (0.09 R)
• M52: 23,461,883 km (0.096 R)
• M53: 23,665,486 km (0.111 R)
• M54: 24,847,010 km (0.083 R)
• M55: 25,627,910 km (0.061 R)
• M56: 25,680,270 km (0.025 R)
• M57: 26,152,849 km (0.114 R)
• M58: 26,522,506 km (0.063 R)
• M59: 27,000,321 km (0.063 R)
• M60: 27,053,578 km (0.111 R)
• M61: 27,267,054 km (0.062 R)
• M62: 28,072,340 km (0.103 R)
• M63: 28,126,344 km (0.069 R)
• M64: 28,180,349 km (0.061 R)
• M65: 28,559,281 km (0.103 R)
• M66: 28,613,585 km (0.1 R)
• M67: 29,267,477 km (0.086 R)
• M68: 29,431,735 km (0.11 R)
• M69: 29,816,202 km (0.096 R)
• M70: 30,368,368 km (0.118 R)
• M71: 31,707,269 km (0.08 R)
• M72: 32,101,459 km (0.093 R)
• M73: 32,270,804 km (0.06 R)
• M74: 33,579,486 km (0.078 R)
• M75: 33,981,306 km (0.102 R)
• M76: 35,196,041 km (0.097 R)
• M77: 35,370,621 km (0.073 R)
• M78: 36,013,743 km (0.106 R)
• M79: 36,542,721 km (0.058 R)
• M80: 36,601,662 km (0.056 R)
• M81: 37,015,001 km (0.104 R)
• M82: 38,085,224 km (0.119 R)
• M83: 38,864,480 km (0.086 R)
• M84: 39,648,971 km (0.117 R)
• M85: 39,830,732 km (0.112 R)
• M86: 39,891,319 km (0.11 R)
• M87: 40,438,698 km (0.11 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: 307 - 16,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit